Chapter 7: Nervous System Part 1

Question 1

The cell bodies of which neurons are located in the dorsal root ganglion?

Answer 1

Sensory

Question 2

These neuroglial cells provide nutrients to neurons

Answer 2

Astrocytes

Question 3

The neuroglial cells are immune system cells?

Answer 3

Microglia

Question 4

Dendrites of the neuron carry messages Where?

Answer 4

To the cell body

Question 5

Afferent neurons would alert the brain that you touched an object.

Answer 5

Yes

Question 6

Answer 6

Sensory

Question 7

These neuroglial cells are formed in the myelin sheath in the CNS (central nervous system)

Answer 7

Oligodendrocytes

Question 8

What do you see in a nerve?

Answer 8

blood vessels, connective tissue, and axons

Question 9

When neutron is resting, sodium Na+ ions have greater concentration

Answer 9

outside the neuron

Question 10

When a neuron is resting the __ is more negative?

Answer 10

Inside

Question 11

When a neuron is crossing is repolarizing, which ions crosses the membrane of the neuron?

Answer 11

K+ potassium

Question 12

When a neuron is depolarizing, which ions crosses the membrane?

Answer 12

Na+ Sodium

Question 13

The potassium pump moves sodium __ the cell

Answer 13

Na+ out

Question 14

The sodium/potassium pump is an example of:

Answer 14

Active transport