Chapter 3 Quiz

Question 1

Sherrington deduced that transmission at a synapse must be slower than conduction along an axon. This was based on what kind of evidence?

Answer 1

the speed of reflexive responses

Question 2

Which of the following would produce spatial summation?

Answer 2

Present two or more weak stimuli at the same time.

Question 3

Which of the following is the correct sequence of chemical events at a synapse?

Answer 3

synthesis, transport, release, reuptake

Question 4

An IPSP represents:

Answer 4

a temporary hyperpolarization.

Question 5

Which of the following actions is most likely to be dependent on inotropic effects?

Answer 5

rapid muscle contraction

Question 6

Which of the following is NOT a catecholamine?

Answer 6

serotonin

Question 7

The brain area most often linked to drug addiction is the:

Answer 7

nucleus accumbens.

Question 8

The key into a lock analogy best describes:

Answer 8

a drug’s affinity for a receptor

Question 9

What effect do opiate drugs have on dopamine?

Answer 9

They indirectly increase the release of dopamine by blocking transmitters that normally block dopamine.

Question 10

Which type of alcoholism has a stronger genetic basis?

Answer 10

TYPE II