Quiz 2

Choose the option that bests completes the item.



1. Researchers now know that there are _______ neurotransmitters in the brain.

a. only two real

b. five major

c. about ten

d. dozens of



2. Barbara has suffered damage to her cerebellum. Which of the following tasks will probably be most difficult for her?

a. describing what she sees in the left visual field

b. describing what she sees in the right visual field

c. understanding spoken language

d. dribbling a basketball



3. The hippocampus, a subcortical forebrain structure, is most clearly involved in

a. control of rapid, skilled movements.

b. processing and relaying sensory information.

c. the control of language.

d. storing memories.



4. Hormones are very similar both chemically and functionally to

a. neurotransmitters.

b. digestive enzymes.

c. lymphocytes.

d. blood platelets.



5. The parasympathetic nervous system controls

a. digestion and other activities that occur during rest.

b. fight or flight activities.

c. movement of the skeletal muscles.

d. the integration of information from two or more sensory systems.



6. The two parts of the autonomic nervous system are the _______ and the _______ .

a. central ... peripheral

b. endocrine ... exocrine

c. sympathetic ... parasympathetic

d. somatic ... unsympathetic



7. What happens at a synapse?

a. something very synful

b. storage of nutrients for later use

c. release of a chemical that affects another cell

d. increased production of myelin



8. A synapse is

a. an area of dead tissue in the brain.

b. the combination of a neuron and its nearest glia cell.

c. a junction where one neuron communicates with another.

d. an immoral apse.



9. Action potentials

a. occur when potassium ions enter the axon of a neuron.

b. make the inside of an axon negative relative to the outside.

c. become weaker as they travel down an axon.

d. generally travel away from the cell body.

e. can be increased in strength with anesthetic drugs.



10. Where would you expect to find myelin?

a. In skin cells near the surface of the skin.

b. In the nucleus of a neuron.

c. In the nucleus of a glia.

d. Covering an axon.



Answer Key

Quiz 2

Choose the option that bests completes the item.



1.

> d Page 81 Parkinson's Factual Correct = r =

2.

> d Page 88 Subcortical Factual Correct = 86% r = 0.34

3.

> d Page 88 Subcortical Factual Correct = r =

4.

> a Page 87 Endocrine Conceptual Correct = r =

5.

> a Page 86 Autonomic Factual Correct = r =

6.

> c Page 86 Autonomic Definition (www) Correct = r =

7.

> c Page 78 Synapses Factual Correct = 94% r = 0.31

8.

> c Page 78 Synapses Definition Correct = 97% r = 0.24

9.

> d Page 77 Action Potential Conceptual (SG) Correct = r =

10.

> d Page 75 Cells Factual (www) Correct = r =