What are nerve cells and nerve impulses? - Exams 1a

Questions

Question 1

The difference in voltage in a resting neuron is called the resting potential.

1. True
2. False

Question 2

Neurons receive information and transmit it to other cells.

1. True
2. False

Question 3

Glial cells serve many functions.

1. True
2. False

Question 4

Glial cells transmit information across long distances.

1. True
2. False

Question 5

The blood-brain barrier is made up of closely packed glial cells.

1. True
2. False

Question 6

​The difference in voltage in a resting neuron is called the resting potential.

1. True
2. False

Question 7

Increasing the electrical gradient for potassium will reduce the tendency for potassium ions to exit the neuron.

1. True
2. False

Question 8

Dendrites contain the nuclei, ribosomes, mitochondria, and other structures found in most cells.

1. True
2. False

Question 9

A prolonged increase in the permeability of the membrane to sodium ions would interfere with a neuron's ability to have an action potential.

1. True
2. False

Question 10

An afferent axon brings information into a structure.

1. True
2. False

Question 11

Neurons are distinguished from other cells by their shape.

1. True
2. False

Question 12

Both dendrites and cell bodies are capable of producing action potentials.

1. True
2. False

Question 13

At the resting potential, the potassium channels are completely closed and the sodium channels are almost closed.

1. True
2. False

Question 14

Schwann cells build the myelin sheaths in the periphery of the body.

1. True
2. False

Question 15

An efferent axon carries information away from a structure.

1. True
2. False

Answers

Question 1

A

Question 2

A

Question 3

A

Question 4

B

Question 5

B

Question 6

A

Question 7

A

Question 8

B

Question 9

A

Question 10

A

Question 11

A

Question 12

B

Question 13

B

Question 14

A

Question 15

A