ATI TEAS Science Practice Questions

The first four steps of the scientific method are as follows:

I. Identify the problem

II. Ask Questions

III. Develop a Hypothesis

IV. Collect data and experiment on that data

Which of the following is the fifth step in the scientific method?

A. Observe the data

B. Analyze the results

C. Measure the data

D. Develop a conclusion

B. Analyze the results

Which of the following is FALSE regarding the use of qualitative and quantitative data in scientific research?

A. Quantitative data is collected through numerical measurements

B. Quantitative data is more accurate than qualitative data

C. Qualitative data is focused on perspectives and behavior

D. Qualitative data is collected through observations and interviews

B. Quantitative data is more accurate than qualitative data

Which of the following statements correctly describes the function of the corresponding physiological structure?

A. the trachea connects the throat and the stomach, encouraging food to follow this path through contractions

B. The esophagus is the cylindrical portion of the respiratory tract that joins the larynx with the lungs

C. The diaphragm is a muscle that controls the height of the thoracic cavity, decreasing the height on contraction, and increasing the height on relaxation causing expiration

D. The epiglottis covers the trachea during swallowing, preventing food from entering the airway

D. The epiglottis covers the trachea during swallowing, preventing food from entering the airway

Which of the following is an example of the location and function of cartilage in the body

A. The dense connective tissue that comprises the better part of the structural skeleton

B. The supportive pads that provide cushion at joints, such as between the vertebrae of the spinal cord

C. The connective structure made of fibrous collagen that connects muscles and bones, such as the connection of the patella to the quadricep

D. The layer beneath the skin and on the outside of internal organs that provides cushioning and protection

B. The supportive pads that provide cushion at joints, such as between the vertebrae of the spinal cord

Two criteria for classifying epithelial tissue are:

A. Cell type and cell function

B. Cell shape and cell type

C. Cell layers and cell shape

D. Cell function and cell layers

C. Cell layers and cell shape

Where is the parathyroid gland located

A. On the lateral lobes of the thyroid gland, on the posterior aspect

B. On the pyramidal lobe of the thyroid gland, on the posterior aspect

C. On the lateral lobes of the thyroid gland, on the anterior aspect

D. On the left lateral lobe of the thyroid gland, on the anterior aspect

A. On the lateral lobes of the thyroid gland, on the posterior aspect

How many organ systems are in the human body

A. 12

B. 15

C. 9

D. 11

D. 11

Which element or structure within the respiratory system is responsible for removing foreign matter from the lungs

A. Bronchial tubes

B. Cilia

C. Trachea

D. Alveoli

B. Cilia

Organized from highest to lowest, what is the hierarchy of the human body's structures is as follows: organism, organ system, organs, tissues, which of the following comes next

A. Organs, cells, tissues, molecules, atoms

B. Organ system, organism, organ, cells, tissues, atom, molecule

C. Organism, organ system, organs, tissues, cells, molecules, atoms

D. Organism, organ, cells, tissues, molecules, atoms

C. Organism, organ system, organs, tissues, cells, molecules, atoms

Which statement below correctly describes the movement of molecules in the body and/or in relation to the external environment

A. Osmosis is the movement of a solution from and area of low solute concentration to an area of high solute concentration

B. Diffusion is the process in the lungs by which oxygen is transported from the air to the blood

C. Dissipation is the transport of molecules across a semipermeable membrane from an area of low concentration to high concentration requiring energy

D. Reverse osmosis is the movement of molecules in a solution from an area of high concentration to an area of lower concentration

B. Diffusion is the process in the lungs by which oxygen is transported from the air to the blood

Which gland is responsible for the regulation of calcium levels

A. Parathyroid gland

B. Pituitary gland

C. Adrenal glands

D. Pancreas

A. Parathyroid gland

Which statement matches the function to the organ of the digestive system

A. The large intestine reabsorbs water into the body to form solid waste

B. the duodenum is the middle section of the small intestine in which acids, fat, and sugar are absorbed

C. The jejunum is the first part of the small intestine that receives chyme from the stomach and further digests it prior to entering the large intestine

D. The gallbladder produces insulin to assist in the transport of sugars from the blood to the organs

A. The large intestine reabsorbs water into the body to form solid waste

Which of the following describes one responsibility of the integumentary system

A. Distributing vital substances throughout the body

B. Blocking pathogens that cause disease

C. Sending leaked fluids from cardiovascular system back to the blood vessels

D. Storing bodily hormones that influence gender traits

B. Blocking pathogens that cause disease

When are the parasympathetic nerves active within the nervous system

A. When an individual experiences a strong emotion, such as excitement or fear

B. When an individual fells pain or heat

C. When an individual is either talking or walking

D. When an individual is either resting or eating

D. When an individual is either resting or eating

Which of the following best describes the relationship between the circulatory system and the integumentary system

A. Removal of excess heat from body

B. Hormonal influence on blood pressure

C. regulation of blood pressure and volume

D. Development of blood cells within marrow

A. Removal of excess heat from body

Which of the following statements describes the path of blood entering into the heart

A. Blood enters the heart through the pulmonary vein, into the right atrium, through the tricuspid valve to the right ventricle

B. Once the right ventricle is full, blood exits into the pulmonary artery and then empties into the left ventricle

C. After traveling through the lungs, oxygenated blood enters into the left atrium, the through the metal valve to the left ventricle

D. One the left ventricle is full, the left tricuspid valve shuts, the ventricle contracts, and blood exits through the aorta

C. After traveling through the lungs, oxygenated blood enters into the left atrium, the through the metal valve to the left ventricle

The part of the human excretory system most responsible for maintaining normal body temperature is the

A. Kidney

B. Bladder

C. Liver

D. Sweat Glands

D. Sweat glands

A part of which body system controls fluid loss, protects deep tissues, and synthesizes vitamin D

A. Skeletal system

B. Muscular system

C. Lymphatic system

D. Integumentary System

D. integumentary system

There are three insects that are being compared under a microscope. As a scientist, you decide that measuring them would be an important part of recording their data. Which unit of measurement would best for this situation

A. Centimeters

B. Meters

C. Micrometers

D. Kilometers

C. Micrometers

The respiratory system ______ oxygen and ______ carbon dioxide

A. inhales; exhales

B. Delivers; expels

C. Creates; absorbs

D. Exhales; inhales

B. Delivers; expels

Which statement below accurately describes the function of its element

A. Collagen is a spongey fatty compound that creates a padding between bones and other structures

B. Hemoglobin is the amount of red blood cells that are present in blood, which can reflect disease states, hydration, and blood loss

C. Lymph is tissue that forms into nodes through which blood is filtered and cleaned

D. An antigen stimulates the production of antibodies

D. An antigen stimulates the production of antibodies

Which group of major parts and organs make up the immune system

A. Lymphatic system, spleen, tonsils, thymus, and bone marrow

B. Brain, spinal cord, and nerve cells

C. Heart, veins, arteries, and capillaries

D. Nose, trachea, bronchial tubes, lungs, alveolus, and diaphragm

A. Lymphatic system, spleen, tonsils, thymus, and bone marrow

Which of the following does not exist in RNA

A. Uracil

B. Thymine

C. Cytosine

D. Guanine

B. Thymine

In which of the following muscle types are the filaments arranged in a disorderly manner

A. Cardiac

B. Smooth

C. Skeletal

D. Rough

B. Smooth

Which of the following hormones is correctly matched with the gland/organ it is produced by

A. Insulin, kidney

B. Testosterone, thyroid

C. Melatonin, pineal

D. Epinephrine, gall bladder

C. Melatonin, pineal

Which of the following best describes a section that divides the body into equal right and left parts

A. Mid sagittal plane

B. Coronal plane

C. Oblique plane

D. Frontal plane

A. Mid sagittal plane

In the development of genetic traits, one gene must match to one ______ for the traits to develop correctly

A. Codon

B. Protein

C. Amino acids

D. Chromosome

B. Protein

Which of the following is not composed of striated muscle

A. Quadriceps

B. Uterus

C. Triceps

D. Gastrocnemius

B. Uterus

Which of the following is NOT found in the dorsal cavity of the body

A. Cerebellum

B. Heart

C. Brainstem

D. Spine

B. Heart

Which of the following best describes the careful ordering of molecules within solids that have a fixed shape

A. Physical bonding

B. Polar molecules

C. Metallic structure

D. Crystalline order

D. Crystalline order

Which of the following statement properly describes how the structure moves during inspiration

A. The lungs contract on inspiration

B. The diaphragm moves downward on inspiration

C. The ribs remain fixed during inspiration

D. The heart moved inward on inspiration

B. The diaphragm moves downward on inspiration

Which of the following describes the transport network that is responsible for the transference of proteins throughout the cell

A. Golgi apparatus

B. Endoplasmic reticulum

C. Mitochondria

D. Nucleolus

B. Endoplasmic Reticulum

What occurs during anaphase of mitosis

A. Chromosomes originally in pairs separate from their daughters and move to the opposite ends of the cell

B. The mitotic spindle fibers begin to form

C. The chromosomes align in the middle of the cell

D. Two nuclei form, surrounded each by a nuclear membrane

A. Chromosomes originally in pairs separate from their daughters and move to the opposite ends of the cell

Which of the following statements is correct about normal human lung anatomy

A. The right lung has three lobes, the left lung has two lobes

B. The right lung has two lobes, the left lung has three lobes

C. Both lungs have two lobes

D. Both lungs have three lobes

A. The right lung has three lobes, the left lung has two lobes

All of the following are parts of the cardiac system EXCEPT the

A. Ventricle

B. Alveoli

C. Atrium

D. Septum

B. Alveoli

If a biologist is describing the physical and visible expression of a genetic trait, which of the following is he referring to

A. Phenotype

B. Allele

C. Gamete

D. Genotype

A. Phenotype

Which of the following does NOT produce hormones

A. Pituitary gland

B. The pons

C. Pancreas

D. Ovaries

B. The pons

Which organ is correctly matched with the cavity in which it is found

A. Spleen, pelvic cavity

B. Brain, vertebral cavity

C. Bladder, abdominal cavity

D. Heart, thoracic cavity

D. Heart, thoracic cavity

A substance is considered acidic is it has a pH of less than which of the following

A. 12

B. 9

C. 7

D. 4

C. 7

Which of the following choices best describes the location of the trachea in relation to the esophagus

A. Lateral

B. Anterior

C. Posterior

D. Dorsal

B. Anterior

A triple beam balance would show the units of measurement in which form

A. Liters

B. Grams

C. Meters

D. Gallons

B. Grams

Which of the following best describes a section that divides the body into equal upper and lower portions

A. Coronal

B. Transverse

C. Oblique

D. Median

B. Transverse

Which of the following best describes one of the roles of RNA

A. Manufacturing the proteins needed for DNA

B. Creating the bonds between the elements that compose DNA

C. Sending messages about the correct sequence of proteins in DNA

D. Forming the identifiable double helix shape of DNA

C. Sending messages about the correct sequence of proteins in DNA

Which of the following do catalysts alter to control the rate of a chemical reaction

A. Substrate energy

B. Activation energy

C. Inhibitor energy

D. Promoter energy

B. Activation energy

Which of the following components of the human integumentary system is the deepest

A. Stratum basale

B. Epidermis

C. Hypodermis

D. Dermis

C. Hypodermis

Which of the following is NOT a function of the circulatory system?

A. Pumping blood throughout the body to provide tissues and organs with nutrients and oxygen

B. Removing toxins and waste from the blood

C. Transmitting nerve impulses between the brain and the rest of the body

D. Transporting important hormones released from glands to their sites of action

C. Transmitting nerve impulses between the brain and the rest of the body

Which item below is NOT a disease of the digestive system?

A. Crohns disease

B. Diabetes

C. Ulcerative colitis

D. Diverticulosis

B. Diabetes

Which item below best describes the primary function of the nervous system?

A. The nervous system is the center of communication in the body

B. The nervous system is primarily responsible for helping the body breathe

C. The nervous system transports blood throughout the body

D. The nervous system helps the body break down food

A. The nervous system is the center of communication in the body

Which of the following is NOT an element of the respiratory system

A. Ribs

B. Trachea

C. Diaphragm

D. Alveoli

A. Ribs

Which of the following cells is NOT part of the immune system

A. Neurons

B. Dendritic cells

C. Macrophages

D. Mast cells

A. Neurons

Which of the following is NOT one of the major types of bones in the human body

A. Dense bone

B. Long bone

C. Short bone

D. Irregular bone

A. Dense bone

Which of the following bone types os embedded in tendons?

A. Long bones

B. Sesamoid bones

C. Flat bones

D. Vertical bone

B. Sesamoid bones

Which of the following is not a product of respiration

A. Carbon dioxide

B. Water

C. Oxygen

D. ATP

C. Oxygen

Of the following, the blood vessel containing the least oxygenated blood is

A. Aorta

B. Vena cava

C. Pulmonary artery

D. Capillaries

C. Pulmonary artery

Which layer of the heat contains striated muscle fibers for contraction of the heart

A. Pericardium

B. Epicardium

C. Endocardium

D. Myocardium

D. Myocardium

Which blood vessel carries oxygenated blood back to the heart

A. Pulmonary vein

B. Pulmonary artery

C. Aorta

D. Superior vena cava

A. Pulmonary vein

Which part of the cell is often called the cell power house because it provides energy for cellular functions

A. Nucleus

B. Cell membrane

C. Mitochondria

D. Cytoplasm

C. Mitochondria

What function do ribosomes serve within the cell

A. Ribosomes are responsible for cell movement

B. Ribosomes aid in protein synthesis

C. Ribosomes help protect the cell from its environment

D. Ribosomes have enzymes that help with digestion

B. Ribosomes aid in protein synthesis

What is most likely the reason that cells differentiate

A. Cells differentiate to avoid looking like all the cells around them

B. Cells differentiate so that simple, non-specialized cells can become highly specialized cells

C. Cells differentiate so that multicellular organisms will remain the same size

D. Cells differentiate for no apparent reason

B. Cells differentiate so that simple, non-specialized cells can become highly specialized cells

How is meiosis similar to mitosis

A. both produce daughter cells that are genetically identical

B. Both produce daughter cells that are genetically different

C. Both occur in humans, animals, and plants

D. Both occur asexually

C. Both occur on humans, animals, and plants

How do DNA and RNA function together as part of the human genome

A. DNA carries genetic information from RNA to the cell cytoplasm

B. RNA carries genetic information from DNA to the cell cytoplasm

C. DNA and RNA carry genetic information from the cell nucleus to the cytoplasm

D. DNA and RNA do not interact within the cell

B. RNA carries genetic information from DNA to the cell cytoplasm

The majority of nutrient absorption occurs in the

A. Mouth

B. Stomach

C. Small intestine

D. Large intestine

C. Small intestine

What process should the DNA within a cell undergo before cell replication

A. The DNA should quadruple so that daughter cells have more than enough DNA material after cell division

B. The DNA should triple so that daughter cells have three times the amount of DNA material after cell division

C. The DNA should replicate so that daughter cells have the same amount of DNA material after cell division

D. The DNA should split so that daughter cells have half the amount of DNA material after cell divison

C. The DNA should replicate so that daughter cells have the same amount of DNA material after cell division

What basic molecular unit enables hereditary information to be transmitted from parent to offspring

A. Genes

B. Blood

C. Traits

D. Cells

A. Genes

Which statement most accurately compares and contrasts the structures of DNA and RNA

A. Both DNA and RNA have 4 nucleotide bases. Three of the bases are the same but the fourth base is thymine in DNA and uracil in RNA.

B. Both DNA and RNA have the same 4 nucleotide bases. However, the nucleotides bond differently in the DNA when compared to RNA

C. Both DNA and RNA have 6 nucleotide bases. However, the shape of DNA is a triple helix and the shape of RNA is a double helix

D. Both DNA and RNA have a double helix structure. However, DNA contain 6 nucleotide bases and RNA constrains 4 nucleotide bases

A. Both DNA and RNA have 4 nucleotide bases. Three of the bases are the same but the fourth base is thymine in DNA and uracil in RNA.

Which of the following characteristics is part of a persons genotype

A. Brown eyes that appear hazel in the sunlight

B. CFTR genes that causes cystic fibrosis

C. Black hair that grows rapidly

D. Being a fast runner

B. CFTR genes that causes cystic fibrosis

Where is the interstitial fluid found

A. In the blood and lymphatic vessels

B. In the tissues around cells

C. In the cells

D. In the ventricles of the brain

B. In the tissues around cells

Which type of cell secretes antibodies

A. Bacterial cell

B. Viral cell

C. Lymph cell

D. Plasma cell

D. Plasma cell

What type of molecules are enzymes

A. Water molecules

B. Protein molecules

C. Tricolor molecules

D. Inorganic molecules

B. Protein molecules

Which structure controls the hormones secreted by the pituitary gland

A. Hypothalamus

B. Adrenal glands

C. Testes

D. Pancreas

A. Hypothalamus

Where does gas exchange occur in the human body

A. Alveoli

B. Bronchi

C. Larynx

D. Pharynx

A. Alveoli

All of the following are parts of the respiratory system EXCEPT the

A. Trachea

B. Bronchi

C. Esophagus

D. Larynx

C. Esophagus

All of the following are components of the genitourinary system EXCEPT

A. Kidneys

B. Urethra

C. Rectum

D. Bladder

C. Rectum

Which of the following best describes the structure found underneath each rib in descending order

A. vein, nerve, artery

B. Artery, vein, nerve

C. Vein, artery, nerve

D. Nerve, vein, artery

C. Vein, artery, nerve

Which of the following is true regarding the primary function of the spleen

A. It produces bile to emulsify fats

B. It filters microorganisms and other foreign substances from the blood

C. It helps control blood glucose levels and regulates blood pressure

D. It regulates blood clotting factors

B. It filters microorganisms and other foreign substances from the blood

Which of the following items is NOT appropriately matched with its corresponding bodily system

A.Kidneys, genitourinary system

B.Heart, circulatory system

C. Blood, endocrine system

D. Diaphragm, respiratory system

C. Blood, endocrine system

Which of the following describes the order food travels through the digestive system

A. Trachea, stomach, small intestine, large intestine, rectum

B. Mouth, stomach, small intestine, large intestine, rectum

C. Stomach, large intestine, small intestine, rectum

D. Esophagus, stomach, small intestine, large intestine, rectum

D. Esophagus, stomach, small intestine, large intestine, rectum

Which of the following structures is the natural pacemaker of the heart

A. Sinoatrial node

B. Submental node

C. Atrioventricular node

D. Scalene node

A. Sinoatrial ndoe

A patients heart rate is measured at 118 bpm. What is this condition called

A. Tachycardia

B. Apnea

C. Bradycardia

D. Tachypnea

A. Tachycardia

Which of the following items is NOT a primary function of a healthy immune system

A. The immune system helps the body avoid infections

B. The immune system detects infections

C. The immune system eliminates infections

D. The immune system creates infections

D. The immune system creates infections

The spine and hips belong to which of the following bone types

A. Curvy bones

B. Irregular bones

C. Flat bones

D. Long bones

B. Irregular bones

Long bones are one of the five major types of bone in the human body. All of the following bones are long bones except

A. thighs

B. Forearms

C. Ankles

D. Fingers

C. Ankles

Which of the following is not a type of muscle tissue

A. Skeletal

B. Smooth

C. Cardiac

D. Adipose

D. Adipoe

When describing a part of the body that is in the front, which of the following anatomical location descriptors would be utilized

A. Superior

B. Anterior

C. Inferior

D. Posterior

B. Anterior

Which of the following statements is accurate

A. The spine is located posteriorly, inferior to the pelvic bone

B. The sternum is located anteriorly, superior to the pelvic bone

C. The mandible is located superior to the nasal cavity, and inferior to the esophagus

D. The femur is located inferior to the tibia

B. The sternum is located anteriorly, superior to the pelvic bone

Which of the following terms means close to the trunk of the body

A. Superficial

B. Sagittal

C. Proximal

D. Distal

C. Proximal

Which part of the cell serves as the control center for all cell activity

A. Nucleus

B. Cell membrane

C. Cytoplasm

D. Mitochondria

A. Nucleus

What are the cellular functions of cilia and flagella

A. Cilia and flagella are responsible for cell movement

B. Cilia and flagella synthesize proteins

C. Cilia and flagella help protect t the cell from its environment

D. Cilia and flagella have enzymes that help with digestion

A. Cilia and flagella are responsible for cell movement

What is the process by which simple cells become highly specialized cells

A. Cellular complication

B. Cellular specialization

C. Cellular differentiation

D. Cellular modification

C. Cellular differentiation

How does meiosis differ from mitosis

A. Meiosis is used to repair the body. Mitosis is used to break down the body

B. Meiosis is used for asexual reproduction of single celled organisms. Mitosis is used for sexual reproduction of multicellular organisms

C. Meiosis only occurs in humans. Mitosis only occurs in plants

D. Meiosis produces cells that are genetically different. Mitosis produces cells that are genetically identical

D. Meiosis produces cells that are genetically different. Mitosis produces cells that are genetically identical

Which of the following is NOT a function of the integumentary system

A. Protect internal tissues from injury

B. Waterproof the body

C. Help regulate body temperature

D. Return fluid to the blood vessels

D. Return fluid to the blood vessels

What are groups of cells that perform the same function called

A. Tissues

B. Plastids

C. Organs

D. Molecules

A. Tissues

Which of the following correctly matches the tissue to its function

A. Epithelial: movement, contraction, support and positioning

B. Nervous: transmission and reception

C. Muscular: support, protection, separation and connection

D. Connective: protection, sensation, absorption, and secretion

B. Nervous: transmission and reception

The function of the adrenal glands is to

A. Produce hormones that stimulates the thyroid, therefore influencing metabolism

B. Produce hormones that regulate salt and water balance and control blood pressure and heart rate

C. regulate the release of insulin in response to glucose

D. Regulate the release of oxytocin, an important hormone in reproduction and childbirth

B. Produce hormones that regulate salt and water balance and control blood pressure and heart rate

What functions do genes serve in the relationship between parents and offspring

A. Genes enable hereditary information to be passed from parents to offspring

B. Genes prohibit hereditary information from being passed from parents to offspring

C. Genes enable environmental factors to affect parents and offspring

D. Genes serve no function in the relationship between parents and offspring

A. Genes enable hereditary information to be passed from parents to offspring

Which of the following inappropriately describes hemoglobin

A. Hemoglobin transports oxygen from the lungs to the rest of the body

B. Hemoglobin is the ratio of red blood cells to total blood volume

C. Hemoglobin is a type of protein found in red blood cells of all mammals

D. Hemoglobin is the portion of red blood cells that contain iron, to which oxygen binds to

B. Hemoglobin is the ratio of red blood cells to total blood volume

All of the following belong together except

A. Thyroid

B. Stomach

C. Intestines

D. Pancreas

A. Thyroid

What is the purpose of conducting an experiment

A. To test a hypothesis

B. To collect data

C. To identify a control state

D. To choose variables

A. To test a hypothesis

The valve that allows blood flow from the right atria into the right ventricle is the

A. Tricuspid valve

B. Pulmonic valve

C. Mitral valve

D. Aortic valve

A. Tricuspid valve

What are the substances that stimulate adaptive immunity called

A. Peptides

B. Phagocytes

C. Prions

D. Platelets

B. Phagocytes