An inactive nerve cell is . . .? Select one: a. polarized b. more negatively cha

Question

An inactive nerve cell is . . .?

Select one:

a. polarized

b. more negatively charged inside than outside (interstitial fluid)

c. more positively charged inside than outside (interstitial fluid)

d. A and B

e. A and C

Question 2

Not yet answered

Points out of 2.00

Flag question

Question text

How are action potentials generated?

Select one:

a. by stimulating a nerve cell below the threshold

b. by inhibiting a nerve cell

c. by specific neurotransmitters

d. by changes in the permeability of nerve cell’s membrane to Na and K ions

e. by concentrating really hard

Question 3

Not yet answered

Points out of 2.00

Flag question

Question text

This part of the nerve cell receives information from the environment.

Select one:

a. dendrite

b. neurotransmitters

c. hormones

d. axon

e. cell body

Question 4

Not yet answered

Points out of 2.00

Flag question

Question text

What structure in the nervous system conducts electrical signals?

Select one:

a. neuron

b. neurotransmitters

c. hormones

d. glial cells

e. myelin

Question 5

Not yet answered

Points out of 2.00

Flag question

Question text

You go in for a routine physical at the doctor's office and she proceeds to tap below your knee cap with a small rubber hammer and your lower leg kicks upward. What best explains this knee jerk reaction?

Select one:

a. It was a complex integrative reaction

b. It was a voluntary reaction

c. The brain was not involved in producing the reaction

d. The spinal cord was not involved in producing the reaction

e. It was just a nervous twitch

Explanation / Answer

1-d-A and B

2- D

3- A

4-A

Note- the nerve impulse travel along the axon and readches the end terminal of axon where it release neurotransmitter at the end plate to transfer the signal into next neuron . This is how nerve electrical signal is being conducted .

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.