TEAS Science Practice Test 1

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Question 1 of 10

1. Question
The movement of oxygenated blood from the heart to the body is referred to as which of the following?
- a. cellular circulation
- b. pulmonary circulation
- c. systemic circulation
- d. ventricular circulation
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Question 2 of 10

2. Question
In which of the following structures is nutrient absorption most likely to occur in the mammalian digestive system?
- a. epiglottis
- b. stomach
- c. duodenum
- d. cecum
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Question 3 of 10

3. Question
Which of the following is the term used to describe the propagation of the action potential along the axon of a neuron?
- a. saltatory conduction
- b. electrical conduction
- c. chemical conduction
- d. repolarization
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Question 4 of 10

4. Question
Which of the following best explains how inhalation occurs in the human respiratory system?
- a. the diaphragm contracts and lifts, making the air pressure in the lungs decrease.
- b. the diaphragm relaxes and lifts, making the air pressure in the lungs increase.
- c. the diaphragm contracts and lowers, making the air pressure in the lungs decrease.
- d. the diaphragm relaxes and lowers, making the air pressure in the lungs decrease.
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Question 5 of 10

5. Question
Which of the following is the correct sequence of events that occurs during an inflammatory response?

I. Phagocytes are attracted to the damaged area.

II. Blood vessels become permeable.

III. Damaged cells release histamine.

IV. The formation of pus occurs.
- a. IV, I, III, II
- b. I, III, II, IV
- c. III, II, I, IV
- d. II, I, III, IV
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Question 6 of 10

6. Question
Which of the following is considered to be a contributing factor in the decrease of infant mortality among developed countries?
- a. the marital status of the mother.
- b. the education opportunities provided to woman.
- c. the increase in health care costs.
- d. the decrease in domestic violence toward pregnant women.
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Question 7 of 10

7. Question
Which of the following examples best illustrates the concept of carrying capacity?
- a. A population of rabbits increases from 4 rabbits, to 25 rabbits to 100 rabbits in three months.
- b. A population of roaches decreases due to exposure to an insecticide resulting in the extermination of roaches in an area.
- c. A population of deer increases exponentially, but then decreases due to starvation, then increases slightly again.
- d. A population of mosquito decreases because of a lack of water available following a drought-stricken summer.
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Question 8 of 10

8. Question
Which is likely to occur following the emigration and immigration of individuals into a population near an open body of water?
- a. the population will remain the same if the rate of immigration is equal to the birth rate.
- b. the population will increase if the rate of immigration is less than the rate of emigration.
- c. the population will increase if the rate of immigration is greater than the rate of emigration.
- d. the population will decrease if the rate of immigration is greater than the rate of emigration.
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Question 9 of 10

9. Question
For populations that are said to be in a zero growth phase, which of the following is most likely occurring?
- a. the birth rate equals the immigration rate.
- b. the death rate equals the emigration rate.
- c. the infant mortality rate equals the emigration rate.
- d. the death and emigration rates equal the birth and immigration rates.
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Question 10 of 10

10. Question
A malfunctioning aorta will result in which of the following?
- a. deoxygenated blood would not be transported to the heart.
- b. deoxygenated blood would not be transported to the lungs.
- c. oxygenated blood would not be transported to the heart’s atria.
- d. oxygenated blood would not be transported to the body’s cells.
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TEAS Science Practice Test 1

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