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Biology Dictionary

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Anatomy and Physiology Quiz 1

1. What is the role of the pancreas within the endocrine system?

A.To produce digestive enzymes.

B.To produce hormones like insulin and glucagon.

C.Neither of these functions

2. Not all animals have the same type of digestive system. In cows and other ruminants, several different stomachs are part of the digestive system. Why do different animals have different digestive systems?

A.The digestive system has evolved to handle the food a given species typically eat.

B.There is no good reason.

C.Cows need extra stomachs to make milk.

3. Which of these statements about T-cell maturation is true?

A.Positive selection allows T-cells that can recognize specific pathogenic antigens to proliferate

B.Negative selection allows T-cells that do not recognize self-antigens to proliferate

C.T-cell maturation occurs in the thymus

D.All of the Above

4. 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

5. 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.

6. 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

7. Which of the following might signal that the salivary glands are not functioning properly?

A.Dry mouth

B.Excessive saliva production

C.Pain or swelling in the salivary glands