Nervous Tissue (Bio40A)

Question 1

The Nervous system:

a) works with the endocrine system to maintain homeostasis.
b) communicates with the body via action potentials (nerve impulses).
c) is responsible for perceptions and behaviors.
d) initiates voluntary movements.
e) all of these are correct

Answer 1

E) ALL OF THESE ARE CORRECT

Question 2

The autonomic nervous system is part of the

Answer 2

a) PNS

Question 3

What is the function(s) of the nervous system?

a) detecting stimuli
b) processing information
c) sending a response to muscles or glands
d) all of these choices

Answer 3

D) ALL OF THESE CHOICES

Question 4

The dendrites of a neuron..

Answer 4

a) are the main receiving region of a neuron

Question 5

Gray matter has it’s distinctive color due to myelination of axons. T/F

Answer 5

False

Question 6

Which nerve potential travels longer distance in a typical sensation?

Answer 6

Look at picture.

B) nerve action potential

Question 7

The generation of an action potential is an electrochemical event. This electrical event occurs:

Answer 7

a) within a neuron

Question 8

At a synapse, the neuron sending the signal towards the synapse is called the ___ neuron.

Answer 8

a) presynaptic

Question 9

Which statement best describes the direction of signal transmission?

Answer 9

Look at picture

b) signals go only from the presynaptic neuron to postsynaptic neuron

Question 10

Serotonin is an example of a(n)____ neurotransmitter.

Answer 10

a) biogenic amine