Organic Chemistry Practice Questions with Answers (Set 16)


1. Which of the following is the hair-like part of a nerve cell?

a. the axon
c. the synapse
b. a dendrite
d. the vesicle

2. What name is used from the gap between the tip of a nerve cell and its target?

a. axon
c. synapse
b. dendrite
d. vesicle

3. Which of the following is used to characterize a material as either a neurotransmitter or a

a. its chemical composition
c. both a and b
b. its physiological behavior
d. either a or b

4. Which of the following hormones is not produced in the pancreas?

a. insulin
b. glucagon
c. renin
d. None, they are all produced in the pancreas.

5. By which of the following mechanisms do steroid hormones cross plasma membranes?

a. active transport
c. both a and b
b. diffusion
d. neither a nor b

6. Which of the following is true of the receptors for steroid hormones?

a. They are hydrophobic.
b. They are proteins.
c. both a and b
d. neither a nor b

7. Which number represents the axon?

a. 1
b. 2
c. 3
d. 4

8. Which number represents the dendrites?

a. 1
b. 2
c. 3
d. 4

9. Which of the following distinguishes a neurotransmitter from a hormone?

a. the diversity of compounds in the classification
b. the chemical structure of the compounds
c. the source of the compound
d. the distance over which it acts

10. Which of the following correctly classifies the following chemical messenger?

a. cholinergic
b. amino acid
c. androgenic
d. peptidergic

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