Nervous system

Question 1

What happens during depolarization in an axon?

Accepted Answer

2

Question 2

How is a nerve impulse transmitted across a synapse?

Accepted Answer

2

Question 3

What is the role of the sodium-potassium pump in maintaining resting potential?

Accepted Answer

0

Question 4

What happens during the depolarization phase of an action potential?

Accepted Answer

2

Question 5

Which component of a neuron is responsible for conducting impulses away from the cell body?

Accepted Answer

1

Question 6

What is the primary function of the synaptic vesicles in a neuron?

Accepted Answer

1

Question 7

What is the role of the myelin sheath in nerve impulse conduction?

Accepted Answer

2

Question 8

What is the function of neurotransmitters in a synapse?

Accepted Answer

1

Question 9

How does cocaine affect dopamine synapses in the brain?

Accepted Answer

3

Question 10

What characterizes the refractory period in neurons?

Accepted Answer

2

Question 11

Which part of the nervous system is responsible for 'fight or flight' responses?

Accepted Answer

2

Question 12

What is the resting potential of a neuron?

Accepted Answer

0

Question 13

During which phase of the action potential do voltage-gated sodium channels open?

Accepted Answer

1

Question 14

What role does calcium play at the synapse?

Accepted Answer

1

Question 15

During resting potential, what is the state inside the axon?

Accepted Answer

1

Question 16

What triggers the opening of voltage-gated sodium channels during depolarization?

Accepted Answer

2

Question 17

In which phase of action potential do voltage-gated potassium channels open?

Accepted Answer

3

Question 18

What is the primary role of the sodium-potassium pump in neurons?

Accepted Answer

1

Question 19

What structure is responsible for releasing neurotransmitters into the synaptic cleft?

Accepted Answer

0

Question 20

What is the difference in charge across the axon membrane during resting potential?

Accepted Answer

1