teas science Eman

Which of the following structures in the male reproductive system secretes a fluid that nourishes and protects sperm?

Prostate Gland

Which of the following is a function of the circulatory system?

To transport hormones

Emphysema caused by damage to alveoli from toxins and pollutants is likely to result in the body having difficulty performing which of the following action?

Exchanging oxygen and carbon dioxide

A cell is placed in a hypertonic solution, Which of the following describes the resulting osmosis?

There is no net flow of water out of a cell

Which of the following pathways best represents the expected flow of blood from the human heart to an organ?

Blood pumped from the heart first enters arteries that then narrow to form arterioles that deliver blood to capillaries of the organ.

Which of the following is a function of the integumentary system

Storage of fat

Sunlight can damage epithelial cells of the skin, but limited exposure to ultraviolet radiation results in the benefical production of which of the following?

Vitamin D

Which off the following skin layer contains dead cells?

Stratum Corneum

Histones are proteins associated with which of the following?

DNA

Which of the following is an efferent neuron that is responsible for releasing a neurotransmitter that stimulates a muscle cell?

Motor neuron

Which of the following body system is the primary system involved in preventing an infection when a cut in the skin allows bacteria to enter the body?

The immune system

Which of the following organs filters excess solutes from the blood?

Kidney

During a 56-week test 3,731 patients participated in a double-blind trail. Participants did not have type 2 diabetics mellitus. one group of participants received once daily subcutaneous injection of Liraglutide at a dose of 3.0 mg. The other participant received a placebo. both groups received counseling on lifestyle modification. At the end of the 56 weeks, the body weight of each participant was determined. Which of the following best indicates the question that was begin investigated in the study?

How does lifestyle modification counseling affect body weight

A blood sample taken from a patient who has an infection can be expected to show which of the following?

Elevated White blood cell count

Which of the following occurs during inhalation?

The diaphragm moves downward

An experimental results seem to only support a hypothesis, a researcher should consider which of the following?

Exploring alternative explanations

Which of the following body system breaks proteins into amino acids?

Digestive

How many times stronger is the hydrogen-ion concentration of a Ph 4 solution as compared with a ph 9 solution?

100,000

Which of the following types of cells are most similar in function to cytotoxic T-cells?

Natural killer cells

A student investigating the importance of wavelengths above and below the visible spectrum for photosynthesis sets up an experiment as followers over a 2-month period, all with illumination at 1 meter distance from plants grown with the same soil and watering condition.

3 Arabidopsis plants exposed to ultraviolet light(uv)

3 Arabidopsis plants exposed to infared light (IR)

3 Arabidopsis plants exposed to white light

at the end of the experiment, she first finds that The IR treated plants, are scorched, the uv treated plants have wilted, but the white light-treated plants are growing normany

Wavelength of light is the only variable that has been changed between groups

Which of the following types of cells suppress immune system?

Regulatory T-cells

In which of the following regions of the body are the tibia and fibula?

cursal

Which of the following is the appropriate unit of measure to use when finding the mass of a pencil?

Grams

Which of the following organs releases bicarbonate as a response to the release of secretin by the duodenum?

Pancreas

To be correlated A and B, to be correlated. Which of the following is true for these process?

The study does not indicate a casual relationship between the process

The measurements indicated by the line across the center of the cell is best referred to as which of the following ?

Diameter

Ice cubes are placed in a glass of water to cool the water, The cooling effect of the ice cubes on the water is due to the heat being transferred in which of the following?

From the water to the ice by conduction

Which of the following cellular organelles releases the energy contained in food?

Mitochondria

Which of the following describes the function of a neuron

Transmits sensory information

The process by which gametes combine to form a zygote is called which of the following?

Fertilization

Which of the following organic molecules contain both an amine and carboxyl group?

Proteins

Which of the following parts of the central nervous system releases chemicals that regulate the pituitary gland

Hypothalamus

An efficient way to block protein synthesis by inhibiting which of the following?

Ribosomes

A student conducts an experiment in which he dissolves 1.0 grams (g) each of several substances 50(ml) of water, He has 12 identical plastic cups of water. he places 1.0 of salt into three of the cups. 1.0(g) of sugar into three of the cups, and 1.0(g) of baking soda into three of the cups . The remaining three cups contains only water. he places in a freezer and records the temp of the water in each cup every minutes for 4 hours.

Which of the following questions is the student most likely investigating.

What effect do different concentractions of solutes have on the freezing point of water?

Metabolism is known as which of of the following types of respiration?

Cellular

Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the formation of ammonia?

urea

Which of the following hormones is responsible for regulating sodium reabsorption in the kidney's

Aldosterone

A doctor explains that a patient has a pulled muscle in his back which of the following muscles could have been injured in the patient's back?

Latissimus Dorsi

Which of the folllowing digestive system structures releases sodium bicarbonate into the small intestine, resulting in a change in the ph of chyme from acidic to base?

Pancreas

Which of the following hormones increases the heart rate in response to stress?

Epinephrine

using the equation PH=-log[H+]=10^9 M has a ph of which of the following?

9

Which of the following are the two major parts of the nervous system?

Peripheral nervous system and central nervous system

A plant in which fuzzy leaves(F) are dominate over smooth leaves (f), which of the following crosses will produce offsprings with small leaves?

ffxff

Which of the following describes a process that occurs along the proximal tubles and a nephron?

Glucose,lacate,and amino acids are reasorbed

Scientist rely on which of the following to provide a critical feedback when revising scientific explantion?

peer review

In a double circulation system, which of the following describes a possible pathway of blood flow through the pulmpnary cicruit?

Oxygenated blood flows towards the heart the heart from the lungs

Which of the following stem cells can differentiate into the larger number of different cell types?

Pluripotent

Which of the following types of membrane is associated with the skin?

cutaneous

Which of the following properties of water explains its solvent abilities for certain substances?

Polarity of water molecules

Which of the following types of bonds link base pair nucleotides within a double strand of DNA?

hydrogen

Which of the following elements has the smaller atomic radius?

C {77}

Which of the following statements describes how bile salts aid during digestion?

decrease the size of fat droplets to aid in digestion

Which of the following describes the order of events in which bone fractures heal?

hematoma forms > fibrocartilage forms > bony callus forms > bone remodeling occurs

Which of the following is the term for the gap between two nerve cells?

a synapse

A study found two processes, process A and process B which of the following is true for these process

study does not indicate a casual relationship between the process