Biological Basis of Psychology-Neurons [NTA-NET (Based on NTA-UGC) Psychology (Paper-II)]: Questions 1 - 3 of 57

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Question 1

Question

MCQ▾

John was going for a stroll in the woods when he saw a bear in the distance. As the bear starter coming toward him, John got scared and started to run in the opposite direction. Which of the following happened when John saw the bear?

Choices

Choice (4)Response

a.

His sympathetic nervous system became activated.

b.

There was a decrease in the amount of dopamine released in his brain.

c.

There was an increase in the amount of GABA released into his brain.

d.

There was a decrease in the amount of cortisol released into his blood stream.

Question 2

Question

MCQ▾

A neuron in the recently fired. The neuron completes its absolute refractory period and then is in the relative refractory period. At this point, the neuron is stimulated by a stronger stimulus, and it fires again. Which of the following is true of that neuron?

Choices

Choice (4)Response

a.

It is hyperpolarized.

b.

The second action potential will be of lesser intensity than the first.

c.

The second action potential will be of the same intensity as the first.

d.

The second action potential will be of greater intensity as the first.

Question 3

Question

MCQ▾

Neurons are like catchers and batters. The ________ are like catchers because they receive information; the ________ are like batters because they send on the message.

Choices

Choice (4)Response

a.

cell bodies; axons

b.

dendrites; axons

c.

dendrites; glials

d.

axons; dendrites

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