teas test 7 science quizlet - Nurselytic

Questions 111

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Test 7 science quizlet Questions

Question 1 of 5

What are the white blood cells responsible for coordinating the immune response called?

Correct Answer: C

Rationale: Lymphocytes, which include B cells, T cells, and natural killer cells, are responsible for coordinating the immune response. They play a crucial role in recognizing and fighting against pathogens and foreign substances in the body. Red blood cells are responsible for oxygen transport, platelets aid in blood clotting, and neutrophils are white blood cells primarily involved in combating infections.
Therefore, the correct answer is C, lymphocytes, as they are specifically involved in coordinating immune responses.

Question 2 of 5

What happens to the gravitational potential energy of an object as it falls freely?

Correct Answer: A

Rationale: The correct answer is A: 'It decreases.' When an object falls freely, its height decreases, resulting in a decrease in gravitational potential energy. The potential energy is converted into kinetic energy as the object accelerates due to gravity. This conversion process continues until the object reaches the ground or its lowest point, where the gravitational potential energy is minimal or zero.
Choice B is incorrect because gravitational potential energy decreases, not increases, during free fall.
Choice C is incorrect as gravitational potential energy changes due to the change in height.
Choice D is incorrect as the gravitational potential energy does not instantly become zero but decreases gradually as the object falls.

Question 3 of 5

What is the main difference between white and brown adipose tissue?

Correct Answer: B

Rationale: The main difference between white and brown adipose tissue lies in their function and energy metabolism. White adipose tissue is primarily involved in energy storage, while brown adipose tissue is specialized for energy expenditure and thermogenesis. This functional disparity is the key dissimilarity between white and brown adipose tissue, rather than just their location or color.
Choice A is incorrect because the difference is not only in location but also in function.
Choice C is incorrect as color is not the defining factor in their distinction.
Choice D is incorrect as white and brown adipose tissues serve different functions in the body.

Question 4 of 5

Which part of the brain generates the rhythmic electrical activity responsible for brain waves?

Correct Answer: D

Rationale: The reticular formation is a network of neurons located in the brainstem that plays a crucial role in regulating arousal and consciousness. It generates the rhythmic electrical activity responsible for brain waves, which are measured using electroencephalography (EEG). The cerebrum, thalamus, and hypothalamus do not primarily generate brain waves; they have other specialized functions within the brain. The cerebrum is responsible for higher brain functions such as thinking and voluntary movements. The thalamus acts as a relay station for sensory information. The hypothalamus is involved in various functions such as regulating body temperature, hunger, and hormonal activities.

Question 5 of 5

Where does gas exchange take place in the lungs?

Correct Answer: C

Rationale: Gas exchange in the lungs occurs in the alveoli. Alveoli are tiny air sacs where oxygen from inhaled air diffuses into the bloodstream, and carbon dioxide from the blood diffuses into the alveoli to be exhaled. The bronchi are the main airways that branch off from the trachea, which is the windpipe connecting the larynx to the bronchi. The pleura is a membrane surrounding the lungs and lining the chest cavity, providing protection and lubrication for the lungs but not directly involved in gas exchange.

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