1.For a very short period after a neuron has fired, it is inactive and unable to

Question

1.For a very short period after a neuron has fired, it is inactive and unable to respond to additional stimulation. This interval is known as.

A.the refractory period

B.the all or none response

C.the action potential

D.the firing threshold

2.In people who are born without the ability to hear, the portion of the brain typically devoted to auditory processing will likely

A.be recruited to process visual information

B.remain inactive

C.create auditory hallucinations

D.atrophy as a result of disuse

3.Compared to cognitively simpler animals like snakes and alligators, in more cognitively complex animals a larger portion of the brain is dedicated to the

A.occipital lobe

B.brain stem

C.cerebrum

D.corpus callosum

4.Lately, Leroy has been experiencing negative moods and disrupted sleep. He is also lethargic and finds it difficult to get out of bed. After listening to Leroy describe his symptoms, the doctor suspects that Leroy is depressed. If the doctor prescribes medication for Leroy, this medication would probably act on receptors for which neurotransmitter?

A.dopamine

B.serotonin

C.oxytocin

D.norepinephrine

5.If you wanted to trigger someone's left hand to make a fist you would have to

A.Electrically stimulate their left temporal lobe

B.Electrically stimulate their right motor cortex

C.Electrically shut down their right motor cortex

D.Electrically stimulate their left motor cortex

Explanation / Answer

1. The correct option is A.

2. The correct option is A.

3. The correct option is C.

4. The correct option is A, B and D

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