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ATI TEAS 7 · Science · TEAS Practice Test Science

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What is the role of the pancreas in regulating blood sugar levels?

A. To produce insulin only

B. To produce both insulin and glucagon

C. To store glucose

D. To produce adrenaline

Correct Answer: To produce both insulin and glucagon

Question 2 of 5

Which organ in the body is responsible for filtering toxins from the blood?

A. Kidneys

B. Liver

C. Heart

D. Lungs

Correct Answer: Liver

Question 3 of 5

What is the main function of the respiratory system?

A. To absorb nutrients

B. To exchange gases

C. To transport oxygen

D. To regulate blood pressure

Correct Answer: To exchange gases

Question 4 of 5

Which of the following hormones regulates calcium levels in the blood?

A. Insulin

B. Parathyroid hormone

C. Thyroid hormone

D. Glucagon

Correct Answer: Parathyroid hormone

Question 5 of 5

Which type of muscle is responsible for moving the skeleton?

A. Cardiac muscle

B. Skeletal muscle

C. Smooth muscle

D. Voluntary muscle

Correct Answer: Skeletal muscle

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