Biological Basis of Psychology-Endocrine System (CBSE-NET (Based on NTA-UGC) Psychology (Paper-II)): Questions 17 - 20 of 42

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Question number: 17

» Biological Basis of Psychology » Endocrine System

MCQ▾

Question

The fastest neurons can send impulses at about ________ miles per hour.

Choices

Choice (5) Response

a.

200

b.

425

c.

280

d.

120

e.

60

Question number: 18

» Biological Basis of Psychology » Endocrine System

MCQ▾

Question

The “all-or-nothing event” refers to the fact that

Choices

Choice (5) Response

a.

action potentials occur completely or not at all.

b.

an electrical current crosses the synapse completely or not at all.

c.

action potential seldom occurs.

d.

all the neurons in a particular ‘lobe’ of the brain fire or none of them fire.

e.

nerve cells are continuously active.

Question number: 19

» Biological Basis of Psychology » Endocrine System

MCQ▾

Question

If Mary stepped on a nail, which is the correct order of communication for her to feel the pain?

Choices

Choice (5) Response

a.

Receptor site-neurotransmitter-electrical impulse-stimulus

b.

Electrical impulse-receptor site-stimulus-neurotransmitter

c.

Stimulus-electrical impulse-neurotransmitter-receptor site

d.

Stimulus-electrical impulse-receptor site-neurotransmitter

e.

Electrical impulse-stimulus-receptor site-neurotransmitter

Question number: 20

» Biological Basis of Psychology » Endocrine System

MCQ▾

Question

Neurons conduct an action potential

Choices

Choice (5) Response

a.

only if surrounded by a myelin sheath.

b.

when molecular gates open to allow sodium ions into a neuron.

c.

only electrical stimulation is below + 70 millivolts.

d.

when sodium is pumped out of the neuron.

e.

when the electrical stimulation dips below -70 millivolts.

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