Anatomy and Physiology Quiz 1

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

A.
B.
C.
D.

2. 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.
B.
C.

3. What is the major difference between the autonomic nervous system and the somatic nervous system?

A.
B.
C.

4. When you bite into a crisp, sweet apple you can feel something within your cheek reacting strongly. What is this sensation?

A.
B.
C.
D.

5. How will darkness affect melatonin secretion? Choose the best answer.

A.
B.
C.
D.

6. Which of these statements about the CNS is NOT true?

A.
B.
C.
D.

7. Which enzyme is the primary digestive enzyme in human saliva?

A.
B.
C.
D.