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Biology Dictionary

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Anatomy and Physiology Quiz 1

1. High TSH will indicate which of the following?

A.Low thyroid hormone release

B.High thyroid hormone release

C.An overactive thyroid

D.Hyperthyroid disease

2. Which of the following is NOT a function of the autonomic nervous system?

A.Your pupils dilate in response to the light level of a room.

B.You want to reach a can of beans on the top shelf, so you raise your arm above your head.

C.Your breathing rate increases as the stress hormone cortisol is applied to your system.

D.None of the above.

3. Why must the atria and ventricles contract at different times?

A.This is fake news. They contract at the same time.

B.The atria contract to move blood into the ventricles. When the ventricles contract, they close the valves to the atria.

C.They could contract at the same time, they just choose not to.

D.None of the above

4. Which of the following is NOT an important function of the digestive system?

A.Eliminating wastes from the blood.

B.Breaking down macromolecules within food to provide energy.

C.Regulating digestive enzymes.

5. Which of the following is the main role of the prostate?

A.Sperm production

B.Alkalize seminal fluid

C.Expel seminal fluid, and protect the sperm

D.Cleanse the vas deferens

6. A miracle of modern science is the heart transplant. Doctors, using the still viable heart from a deceased person, can replace the heart of someone who has a bad or damaged heart. The doctors simply put the patient on life support, remove their heart, put the new one in and shock it back into rhythm. Why does electricity reactivate the heart?

A.Nerves work by passing electrical signals

B.Muscles are stimulated by electrical signals

C.Once reactivated, the heart tissue can excite itself

7. Which of these statements about the vagus nerve is true?

A.An important part of the sympathetic nervous system

B.Increases heart rate variability

C.Increased activity during the third trimester of pregnancy.

D.All of the above

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