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Anatomy and Physiology Quiz 1

1. When doctors measure your blood pressure, they take two measurements. One is higher pressure, while the other is lower pressure. How does this correspond to the cardiac cycle?

A.These measurements do not correspond to the heart's activity

B.During diastol, the pressure drops. When the heart contracts during systole, the pressure increases.

C.According to the cardiac cycle, pressure should always be high

D.None of the Above

2. What are the 3 main parts of the respiratory system?

A.The lungs, airways, and muscles

B.The lungs, alveoli, and bronchioles

C.The heart, pancreas, and hip bone

D.None of the above

3. How will light affect melatonin secretion? Choose the best answer.

A.Increase

B.Decrease

C.No Effect

D.None of the above

4. Why do babies have more bones than adults?

A.Some of the bones fuse together during normal development.

B.Some of the bones dissolve away

C.All of the above

D.None of the Above

5. What can low levels of blood urea nitrogen indicate?

A.Too much exercise

B.Low-protein diet

C.Dehydration

D.All of the above

6. Why is massage sometimes recommended to reduce lymphedema?

A.Can enhance lymphatic drainage

B.Can increase muscle tone

C.Can increase lymph vessel proliferation

D.None of the above

7. A fish heart has only two chambers: a single atrium and a single ventricle. Which of the following is a reason fish do not need a 4-chambered heart?

A.There is no reason, just random luck.

B.Gravity makes it harder for terrestrial animals to pump blood, so they must separate chambers.

C.Gills are more efficient than lungs at receiving oxygen.

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