ATI TEAS 7: Science

Which of the following uses skeletal muscles and voluntary nerve signals?

A) Sweating

B) Texting

C) Breathing

D) Digesting

B- It involves the tarsals and the voluntary nerves sending signals to the tarsals from the brain

Which of the following ejects waste created during digestion?

A) Small intestine

B) Large intestine

C) Esophagus

D) Rectum

D

Which structure alters the volume of the chest cavity?

A) Trachea

B) Lungs

C) Diaphragm

D) Alveoli

C

Which of the following structures is the smallest?

A) Gene

B) Nucleotide

C) DNA

D) Chromosome

B

Which of the following statements correctly explains the sagittal anatomical plane?

A) It divides the body into left and right sides

B) It divides the body into unequal left and right sides

C) It divides the body's into anterior and posterior sections

D) It divides the body into upper and lower sections'

A

A 6kg box is placed on a surface. Two students investigate how different types of forces can affect its motion. The text box shows the steps for the investigation.

1. Two students push the box for 5 min in the same direction.

2. A student pushes the box for 5 min in one direction.

3. Note the distance the mod moves when two students push the box.

4. Compare the distance the box moved each time.

5. Identify in which case the box moved faster.

6. Note the distance the box moves when one student pushes the box.

Which of the following should be the correct sequence of the steps?

A) 1,6,5,4,3,2

B) 6,3,2,1,5,4

C) 2,6,1,3,4,5

D) 4,6,2,5,3,1

C

Which of the following structures is directly stimulated by messages from the hypothalamus?

A) spinal cord

B) Pancreas

C) Gonads

D) Pituitary gland

D

Which of the following explains the relationship between chromosomes and genes?

A) Several chromosomes makeup one strand of a gene.

B) Many genes can be found on a single chromosome.

C) Chromosomes and genes are similar in length, but one expresses a protein and one does not.

D) Chromosomes are the outer membrane in charge of protecting all the genes.

B

The disassociation of hydrogen molecules into hydrogen atoms is a reversible reaction. The equilibrium constant of the reaction is 10^(-36) at 25 and 6x10^(-5) at 5,000?

Which of the following statements is true about equilibrium at two temperatures?

A) Most of the hydrogen gas is undissociated at 5,000° C, and the equilibrium lies towards the reactants.

B) Most of the hydrogen gas is disassociated at 25° C, and the equilibrium lies towards the products.

C) Most of the hydrogen gas is disassociated at 5,000° C, and the equilibrium lies towards the products.

D) Most of the hydrogen gas is undissociated at 25° C, and the equilibrium lies towards the products.

C- The value of the equilibrium constant is high at temperature 5,000° C. Therefore, most of the reactants convert into products at that temperature, and the equilibrium lies toward the products.

Which of the following options distinguishes the active and passive transport mechanisms?

A) Active transport: Lower to Higher concentration; Passive transport: Higher to lower concentration

B) Active transport: Lower to Higher concentration; Passive transport: Higher to lower concentration

C) Active transport: Higher to Lower concentration; Passive transport: Higher to lower concentration

D) Active transport: Higher to lower concentration; Passive transport: Lower to Higher concentration

A- Active and passive transports are tow different types of transport mechanisms. Active transport allows the movement of molecules from a.region of lower to a region of higher concentration. However, passive transport involves the movement of molecules from higher to lower concentrations region.

Which of the following organs a absorbs water and salt from digested food?

A) Mouth

B) Stomach

C) Liver

D) Large intestine

D

Lung cancer is found more often in people who have a history of smoking. Scientists believe this is because lung cells are damaged over time. Which of the following pieces of evidence supports the explanation?

A) A group of non smokers are studied and have the same rates of lung cancer as do those with smoking backgrounds

B) Studies have found that smoking can cause other life-threatening conditions, such as chronic bronchitis and emphysema

C) Chemicals found in cigarettes have shown to damage part of cells that can lead to cancer

D) 87% of lung cancer deaths are due to smoking

C

Which of the following is the enzyme in tears that destroys microorganisms?

A) Granzyme

B) Lysozyme

C) Pyrogen

D) Cytokine

B

Which of the following structures sends out electrical impulses signaling the muscle fibers of the atria to contract?

A) Sinoatrial node

B) Arteries

C) Atrioventricular node

D) Veins

A

Which of the following statements can be concluded about the standard anatomical position?

A) It gives a standard point of reference for describing different functions of the human body

B) It gives a standard point of reference for describing the number of muscles in the human body

C) It gives a standard point of reference for describing different measurements of the human body

D) It gives a standard point of reference for describing anatomical positions and terms of the human body

D

Which of the following describes the function of glucagon?

A) Stimulates fullness

B) Stimulates the uptake of glucose by cells

C) Stimulates the breakdown of glycogen

D) Digests protein

C

Which of the following describes a neutron?

A) Positively charged subatomic particle

B) Negatively charged subatomic particle

C) Neutral subatomic particle

D) Negatively charged atom

C

Which of the following structure is a valve present between the stomach and the small intestine?

A) Antrum

B) Cardiac sphincter

C) GE junction

D) Pyloric sphincter

B

Which of the following statements is correct about a neutralization reaction?

A) It is a reaction between a metal and a base to form salt and water

B) It is a reaction between an acid and a base to form salt and water

C) It is a reaction between an acid and a base to form salt and hydrogen

D) It is a reaction between a metal and an acid to form salt and hydrogen

B

Which of the following endocrine glands secrete hormones to regulate the menstrual cycle?

A) Hypothalamus

B) Ovaries

C) Pancreas

D) Pituitary gland

E) Testes

A, B, D

Which of the following is an extension of the hypothalamus?

A) Posterior pituitary

B) Pineal gland

C) Anterior pituitary

D) Thymus

A

Which of the following structures is closed by the epiglottis flap when food is swallowed?

A) Oral cavity

B) Esophagus

C) Trachea

D) Primary bronchus

C

Congenital absence of vas deferens (CAVD) is an abnormal condition in which the vas deferens of the male reproductive system fails to develop. Which of the following functions is ikely to be hindered by CAVD?

A) Formation of the sperm

B) Maturation of the sperms

C) Secretion of the seminal fluid

D) Transportation of the sperms

D

Which of the following is the term used for the pair of alleles an individual inherits from each parent?

A) Phenotype

B) Genome

C) Heterozygous

D) Genotype

D

Which of the following is the name for the molecule C6H12O6?

A. Ethanol

B. Pepsin

C. Glycogen

D. Glucose

D

A mutation to a cells DNA is made at some point in time. Which of the following explains how this would affect other cells?

A. The mutation would spread to the cells found in the same tissue because they are close together.

B. The mutation would spread to new daughter cells of the cell that was mutated

C. The mutation would spread to new daughter cells and cells found in the same tissue

D. The mutation would not spread because the replicated pieces of DNA would not have the mutation

B

DNA duplication occurs when one strand of DNA is used to create another strand by matching up nucleotides based on nitrogenous bases. In order to duplicate DNA, several events must happen. Which of the following would be the final event in the process of preparing DNA for duplication?

A. Unraveling of a chromosome

B. Cell division

C. Breaking the hydrogen bonds between the nitrogen base pairs

D. Gene expression

C.

Which of the following is not a gland in the endocrine system?

A. Pineal

B. Hypothalamus

C. Lung

D. Ovary

C.

Which of the following describes an electron?

A. Positively charged subatomic particle

B. Negatively charged subatomic particle

C. Positively charged atom

D. Negatively charged atom

B.

Which of the following is the range of a pH scale?

A. 0-10

B. 5-10

C. 7-14

D. 0-14

D.

Which of the following hormone produced by the endocrine system is responsible for maintaining calcium homeostasis?

A. Anti-diuretic hormone

B. Aldosterone

C. Insulin

D. Parathyroid hormone

D.

A student places three identical marbles on a concrete surface. Different amounts of force are applied to each marble. Marble 1 is pushed lightly and it covers a distance of 1 m. Marble 2 is pushed a little harder and it covers 2 m. Marble 3 is pushed the hardest and it covers 4 m.

Which of the following cause-and-effect relationship can be drawn from the obersavtion?

A. Heavier marbles cover a larger distance

B. Marbles move farther on a smoother

C. Smaller marbles move at a faster speed than larger marbles

D. Marbles that are pushed harder cover a larger distance

D.

Which of the following types of hormones can enter a cell, enabling them to regulate DNA activity?

A. Amino-acid hormones

B. Carbohydrate-based hormone

C. Lipid-soluble, steroid hormones

D. Protein hormones

C.

Which of the following is the type of blood vessel that allows diffusion of oxygen and carbon dioxide in the tissues of the body?

A. Arteries

B. Aorta

C. Capillaries

D. Vena cava

C.

Which of the following structure of the digestive system is a long, muscular tube that connects the mouth with the stomach?

A. Esophagus

B. Small intestine

C. Large intestine

D. Rectum

A.

The table lists the distance traveled by a vehicle at 600 kilometers per hour over time.

Distance: Time (hour):

120 2

180 3

300 5

420 7

Which of the following us the appropriate unit for measuring the distance over time?

A. Hours

B. Kelvin

C. Kilometers

D. Liters

C.

Which of the following units is used for measuring the quantity of liquid using a conical flask?

A. Centimeters

B. Milliliters

C. Kilograms

D. Fahrenheit

B.

Which of the following organs absorbs water and salt from digested food?

A. Mouth

B. Stomach

C. Liver

D. Large intestine

D.

Which of the following is an immune function of the integumentary system?

A. It produces natural killer cells to kill pathogens

B. It generates antibodies to fight pathogens

C. It serves as a barrier against pathogens

D. It alerts T-cells when a pathogen is detected

C.

Ultraviolet radiation, UV, has been shown to cause damage to DNA sequences. This type of radiation is given off by the sun. Melanoma, a dangerous form of skin cancer, has been linked to the damage of DNA sequences leading to mutations in DNA sequences important to cell division.

Which of the following could lead to an increased risk of melanoma

A.

B.

C.

D.

D.

Which of the following occurs in a period in the periodic table as you move left to right?

A. Shared atomic properties

B. Increasing energy levels

C. Decreasing valence electrons

D. Shared neutron numbers

B.

A student requires a string of two meter for an activity. The string should be of an appropriate length for the successful completion of the activity. Which of the following tools would help the student in the completion of the activity?

A. Balance scale

B. Graduated cylinder

C. Measuring tape

D. Thermometer

C.

A student wants to calculate the volume of a first aid box. The student understands that the box's length, width, and height should be measured to calculate its volume. Which of the following units would be the most appropriate to measure all three dimensions of the box?

A. Liters

B. Centimeters

C. Kilometers

D. Cubic miles

B.

In the Habers process, two moles of ammonia are produced from three moles of hydrogen and one mole of nitrogen, as shown.

N2 (g) + 3H2 (g) ———> 2NH3 (g)

Which of the following options represents the molecules of ammonia that are produced when 2 moles of nitrogen gas is used in the reaction?

A. 3.011 x 10^23

B. 6.022 x 10^23

C. 12.044 x 10^23

D. 24.088 x 10^23

D.

An element, M, has a shiny, lustrous appearance and is ductile and malleable. It reacts with oxygen and fluorine to form a compound of type M2O3 and type MF3, respectively. The table represents the position of elements in the periodic table.

Element: Position in the Periodic Table:

A. group 1 and period 2

B. group 2 and period 2

C. group 13 and period 2

D. group 15 and period 2

Which of the following elements will have chemical and physical properties similar to element M?

A.

B.

C.

D.

C.

Chlorine is an electronegative element present in group 17. It reacts with electropositive elements (X) to form ionic compounds of type XCL. The table represents the region in the periodic table.

Region: Position in the Periodic Table:

A group 1

B group 2

C group 13

D group 14

Which of the following regions can these electropositive elements belong to in the given periodic table?

A. Region A

B. Region B

C. Region C

D. Region D

A.

A doctor measure the temperature of a person's body. The level of mercury rises in the thermometer and stops between the 37°C and 38°C mark on the thermometer. The thermometer has nine small marks (ten divisions between each whole value of temperature.

Which of the following values shows the temperature of the body if the level of mercury is at the third small mark past the 37 °C?

A. 37 °C

B. 37.3 °C

C. 37.5 °C

D. 42 °C

B.

The table below lists a few steps.involved in vaccine administration tasks.

1. Administer the vaccine properly

2. Determine who can administer vaccines

3. Communicate about appointments for subsequent doses

4. Prepare and watch for an allergic reaction

Which of the following options arranges the steps to administer vaccines in the correct order?

A. Step 1 ——-> Step 3, step 4, step 2

B. Step 2 ——-> Step 1, step 4, step 3

C. Step 3 ——-> Step 1, step 4, step 2

D. Step 4 ——-> Step 1, step 3, step 2

B.

The table below lists a few steps involved in administering a first aid during an emergency.

1. Evaluate first aid actions

2. Plan for interventions

3. Implement first aid

4. Assess the situation

Which of the following options arranges the steps involved in administering?

A. Step 1, 2, 3, 4

B. Step 4, 2, 3, 1

C. Step 3, 2, 1, 4

D. Step 2, 4, 1, 3

B.

Which of the following is the role of the nervous system in controlling the muscles?

A. It transmits nerve signals from the brain to stimulate the relaxation of muscles

B. It transmits nerve signals from the brain to stimulate the contraction of muscles

C. It prevents the flow of nerve signals from the brain to stimulate the contraction of muscles

D. It releases the neurotransmitter at the neurotransmitter junction to stimulate the relaxation of muscles

B.

Which of the following options indicate the role of kidneys in maintaining the blood pressure of the body? (Select all that apply.)

A. When blood pressure increases, the kidneys decrease the blood volume in the body. ☑️

B. When blood pressure increases, the kidneys increase the blood volume in the body.

C. When blood pressure decreases, the kidneys increase the blood volume in the body. ☑️

D. When blood pressure decreases, the kidneys decrease the blood volume in the body.

E. They can increase or decrease blood volume without changing blood pressure.

The table contains different plant seeds and the number of cotyledons present in them:

Seed name: No. Of Cotyledons:

Maize 1

Wheat 1

Gram 2

Bean 2

Which of the following options indicate the correct conclusions based on the:

A. Gram and bean are dicots ☑️

B. Maize and wheat are dictos

C. Gram and bean are monocots

D. Maize and wheat are monocots ☑️

E. Wheat and gram are monocots

Which of the following systems work closely

With the circulatory system in order to oxygenate the blood and remove carbon dioxide?

A. Integumentary system

B. Respiratory system

C. Urinary system

D. Neuromuscular system

B.

Which of the following is the outermost layer of the skin?

A. Dermis

B. Sudoriferous

C. Sebaceous

D. Epidermis

D.

Potassium has 19 protons and 20 neutrons.

Which of the following are the electron number, the atomic number, and the atomic mass (AMU) of potassium?

A. 1-19-39

B. 6-6-12

C. 17-17-35

D. 19-19-39

D.

A student wants to measure the mass of salt. The table list a few pieces of equipment used for measuring:

Beaker

Ruler

Thermometer

Weighing scale

Graduated cylinder

Which of the following equipment can be used for measuring the mass of the salt?

A. Only weighing scale

B. Only graduated cylinder

C. Both thermometer and beaker

D. Both weighing scale and ruler

A.

Oxygen exists as a diatomic molecule formed by sharing two electrons each from two oxygen atoms. Which of the following types of bonds exists in an oxygen molecule?

A. Ionic bond

B. Metallic bond

C. Covalent bond

D. Hydrogen bond

C.

A small volume of water is used to fill a measuring cylinder. The measuring cylinder has nine marks between the values 40mL and 50mL. The water level coincides with the third mark past the 40mL.

Which of the following values shows the accurate reading of the measuring cylinder?

A. 40mL

B. 42mL

C. 43mL

D. 45mL

C.

A student measures a block using a spring balance. The table shows the reading on a spring balance before and after the measurement.

Reading taken: Reading on the spring balance:

Before attaching the block. 50g

After attaching the block 200g

A. 50g

B. 150g

C. 200g

D. 250g

B.

The table below shows the information about the three stars.

Name of the star:

Alpha Centauri A

Proxima Centauri

Sun

Distance from Earth (Light-years):

4.3

4.2

0.00001581

Temperature (K):

5790

3042

5600

Radius (Km):

851,120

107,280

696,000

Which of the following options supports the fact that the Sun appears brighter than the other two stars when observed from Earth?

A. It is the largest amongst all the stars

B. It has the highest temperature

C. It is the only star that emits light

D. It is closer to Earth as compared to other stars

D.

A scientist as conducts an experiment to compare the effect of different colored lights on plant growth. For the experiment, two plants of the same length are placed in the same type of soil. Both the plants were then subjected to a fixed temperature and an equal amount of water. The scientists then places one plant under red color LED light and another under yellow color LED light and then observes the change in the plant height for a period of 10 days. Which of the following options are the controlled variables for the above experiment? (Select all that apply.)

A. Color of the LED lights

B. Height of both the plants

C. Amount of water given to both plants ☑️

D. Temperature provides to both the plants ☑️

E. Concentration and type of soil given to both plants ☑️

When the heart pumps, systolic and diastolic, are two types of blood pressures that are applied to blood vessels. An instrument called a sphygmomanometer is used to measure these blood pressures. Which of the following options indicates the correct normal numerical values of these pressures in the body? (Select all that apply.)

A. Diastolic pressure: less than 80 mm Hg ☑️

B. Diastolic pressure: more than 80 mm Hg

C. Systolic pressure: less than 120 mm Hg ☑️

D. Systolic pressure: more than 120 mm Hg

E. Diastolic and systolic pressures: less than 80 mm Hg

Which of the following lists the blood vessels from thin-walled to thick-walled?

A. Capillary, artery, vein

B. Capillary, vein, artery

C. Vein, artery, capillary

D. Artery, vein, capillary

B.

Which of the following glands secretes an enzyme that aids in the breakdown of starch in the mouth?

A. Pancreatic gland

B. Pituitary gland

C. Adrenal gland

D. Salivary glands

D.

Which of the following is an endocrine function of the integumentary system?

A. Oil secretion

B. Secretion of sweat

C. Synthesis of sebum

D. Vitamin D synthesis

D.

Which of the following cells absorbs bone?

A. Stem cells

B. Osteoblasts

C. Osteoclasts

D. Osteocytes

C.

Element: Electron Configuration: Melting Point (C):

Beryllium (He)2s2 1278

Magnesium (Ne)3s2 649

Calcium (Ar)4s2 839

Strontium (Kr)5s2 769

Barium (Xe)6s2 725

Density (g/cm3): Atomic Radius (Å): /1 (kJ/mol):

1.85 1.13 899

1.74 1.60 738

1.54 1.97 590

2.54 2.15 549

3.51 2.17 503

Which of the following statements is true based on the above chart?

A. Magnesium melts before calcium, but magnesium is denser

B. Barium is the densest and has the highest melting point

C. Beryllium has the smallest atomic radius and the lowest density

D. Out of the 5 elements listed, calcium has an average melting point, density, and atomic radius.

A.

Which of the following describes the locations of the liver in relation to the appendix?

A. The liver is in the coronal plane and the appendix is in the caudal plane

B. Both are in the same sagittal plane

C. The liver is in a lower transverse plane than the appendix.

D. They are opposite sagittal planes

B.

Which of the following is the body's response to breathing at high altitudes?

A. Holding or stopping your breath

B. Decreasing the breath rate

C. No changes to your breathing rate

D. Increasing the breathing rate

D.

Velocity = distance/time

You have been asked to calculate the velocity of a ball, a car, and a person running. Which of the following base units could be used with all three calculations?

A. L

B. G/mL

C. Kg-m/s2

D. M/s

D.

A chemical analysis of a soil sample requires 1110g of soil. Which of the following tools would be appropriate for the student to measure the necessary amount of soil?

A. Stopwatch

B. Measuring tape

C. Volumetric pipette

D. Triple beam balance

D.

In a laboratory, a student wants to mix a small amount of liquid chemical in a solution. Which of the following tools would be best suited to monitor the volume of chemical mixed?

A. Watch glass

B. Funnel

C. Test tube

D. Burnett

D.

A student wants to measure the mass of an iron block. Which of the following devices can be used to measure the mass?

A. A pulley

B. A spring balance

C. Measuring tape

D. Vernier caliper

B.

Which of the following options correctly indicates the reason for the close working process between the respiratory and cardiovascular systems?

A. These systems ensure that alveoli in the lungs uptake oxygen from the blood.

B. These systems ensure that bloody tissues receive enough oxygen from the blood.

C. These systems ensure that the red blood cells carry carbon dioxide to tissues

D. These systems ensure that the heart receives blood rich in carbon dioxide from the lungs

B.

Which of the following structures in the respiratory system is a cartilaginous tube that connects the larynx to the bronchi?

A. Nasal opening

B. Trachea

C. Lungs

D. Diaphragm

B.

The table shows details of two anatomical directions

X: Y:

Direction toward the front of the body Back of the body

Equivalent to belly-side Back side

Also known as anterior Posterior

A. X= Ventral, Y= Lateral

B. X= Lateral Y= Dorsal

C. X= Ventral Y= Dorsal

D. X= Lateral Y= Ventral

C.

An experiment is to be conducted to test the hypothesis that watering is essential for the growth of plants. Which of the following describes how this hypothesis should be tested?

A. Compare the height of two different plants placed in identical pots that get watered unequally for 2 weeks

B. Compare the height of two identical plants placed in identical pots that get watered unequally for 2 weeks

C. Compare the height of two different plants placed in different sized pots that get watered equally for 2 weeks

D. Compare the height of two identical plants placed in different sized pots that get watered irregularly for 2 weeks.

B.

A student wants to test the hypothesis that lemon juice is a superior alternative to water in preventing apple slices from turning brown. Which of the following describes how the student should test the hypothesis?

A. Compare the number of apple slices that turned brown when immersed in a solution of water and lemon juice

B. Immerse 10 apple slices in water, one in lemon juice for. A fixed time, and compare the browning on each slice

C. Immerse one apple slice in water, one in lemon juice for a fixed time, and compare the browning on each slice

D. Compare the amount of browning on the apple slices after placing each in water for some time and then in lemon juice

C.

A student wants to test a hypothesis that washing soda is an acidic compound. The student makes a solution by dissolving 2g of washing soda in 50mL of water. Then, the student dipped a pH paper in the solution. A pH of 9 was observed.

Which of the following experimental results contradicts the hypothesis?

A. The pH of the washing soda solution is 9, which indicated an acidic compound

B. The pH of the washing soda solution is 9, which indicates a basic solvent

C. The pH of the washing soda solution is 9, which indicates a basic compound

D. The pH of the washing soda solution is 9, which indicates an acidic solvent

C.

A student wants to test a hypothesis that the solubility of glucose increases with temperature. The student takes 100mL of water at different temperatures and make a saturated solution. The table represents the amount of glucose that can be dissolved in water.

Temperature of water in Celsius:

25°

30°

50°

Amount of glucose dissolved in grams:

91

125

357

Which of the following experimental results supports the hypothesis?

A. The amount of glucose dissolved in 100mL of water is at least at 30° C

B. The amount of glucose dissolved in 100mL of water is greater at 25° C compared to 50° C

C. The amount of glucose dissolved in 100mL of water is greater at 25° C compared to 30° C

D. The amount of glucose dissolved in 100mL of water is greatest at 50° C

D.

The table shows the nature of body juices present in the body.

Body juice: Nature:

Blood plasma Basic

Gastric juice Acidic

Pancreatic juice Basic

Saliva Acidic

Which of the following options indicate the correct pH value for the above body juices (Select all that apply.)

A. Blood plasma: Above 7 ☑️

B. Gastric juice: Above 7

C. Pancreatic juice: Above 7 ☑️

D. Pancreatic juice: Below 7

E. Saliva: Below 7 ☑️

The table represents the relative size of different types of viruses.

Virus: Size (nm):

Poliovirus 30

Compea mosaic virus (CPMV) 28

Porcine circovirus (PCV) 17

Lambda phage 58

T7 bacteriophage 58

Which of the following statements can be concluded from the above table?

A. The size of porcine circovirus is larger than the size of poliovirus

B. The size of the lambda phage virus is larger than the sizes of the poliovirus

C. The size of the t7 bacteriophage is larger than the size of the porcine circovirus

D. The size of the lambda phage virus is larger than the size of the T7 bacteriophage

E. The size of the cowpea mosaic virus is larger than the size of the porcine circovirus

Which of the following molecules is used to send signals throughout the body?

A. Enzymes

B. Hormones

C. Melanin

D. Neurons

B.

Which of the following is the zymogen form of protease produced by the stomach?

A. Jejunum

B. Cholecytokinin

C. Pepsinogen

D. Salivary amylase

C.

Which of the following is the function of the male reproductive system?

A. To protect the fetus

B. To produce and nourish the sperm

C. To form a placenta

D. To transport the fertilized egg to the uterus

B.

Which of the following is the cause of the flu?

A. Influenza virus

B. Mycobacterium

C. Gene mutation

D. Fungus

A.

Which of the following situations would result in increased oxygen diffusion from alveoli into blood?

A. An increase in perfusion and a decrease in ventilation

B. An increase in oxygen concentration of blood

C. A reduction in the alveolar surface area

D. A reduction in the residual volume of the lung

D.

Which of the following organs produces sperm?

A. Penis

B. Testes

C. Prostate

D. Vas deferens

B.

Which of the following connects the ovaries and uterus?

A. Vagina

B. Cervix

C. Vas deferens

D. Fallopian tubes

D.

Which of the following is gained or lost when an atoms forms an ion?

A. Neutron

B. Proton

C. Electron

D. Nucleus

C.

Which of the following antibodies is found in tears, saliva, and colostrum?

A. IgG

B. IgM

C. IgA

D. IgE

C.

Which of the following is the importance of the spleen in the immune system?

A. The spleen is one of the locations where B-cells and T-cells can be activated

B. The spleen contains stem cells used to produce immune cells

C. The spleen produces B-cells which then produce antibodies

D. The spleen destroys pathogens by filtering them from the blood

A.

Which of the following macromolecules is found in the majority if enzyme catalysts?

A. Carbohydrate

B. Lipid

C. Protein

D. Deoxyribonucleic acid

C.

Which of the following macromolecules are made up of chains of amino acids?

A. Carbohydrates

B. Lipids

C. Proteins

D. Nuclei acids

C.

Which of the following is the cause of mycosis?

A. Coronavirus

B. Mycobacterium

C. Gene mutation

D. Fungus

D.

Which of the following describes a property of cardiac cells?

A. Generation of electrical impulses

B. Production of red blood cells

C. Immune protection of functions

D. Removal of waste products from the body

A.

Which of the following substances is found in waste material and is absorbed by the large intestine?

A. Gastric

B. Water

C. Pepsinogen

D. Salivary amylase

B.

Which of the following is true about diffusion?

A. The concenctrqtuin of solvent dies not become equal on both sides of the membrane

B. Diffusion can occur in any medium, whether it is liquid, solid, or gas

C. Diffusion requires only a semipermeable membrane

D. Diffusion depends solely on the solute potential

B.

Which of the following is the condition at which a pure substance can coexist in a solid, liquid, and vapor phase?

A. Triple point

B. Freezing point

C. Critical point

D. Sublimation point

A.

Smoking cigarettes has several effects on the body, including a decrease in the size of the blood vessels. In which of the following ways will this affect blood pressure?

A. No effect on bp

B. Increase bp

C. Decrease bp

D. Increase diastolic pressure but not systolic pressure

B.