The Nervous System

Question 1

Use the drop-down menus to complete the sentence. The central nervous system contains , which is the center of the nervous system, and , which coordinates simple reflexes.

Revolt · Accepted Answer

Selection 1: the brain; Selection 2: the spinal cord

Question 2

Which actions are functions of the somatic nervous system? Check all that apply.regulates involuntary activitiesincreases heart rate and blood pressurerelays information to and from internal organsstimulates digestionregulates voluntary activitiesrelays information to and from skin and skeletal muscles

Revolt · Accepted Answer

E: regulates voluntary activities; F: relays information to and from skin and skeletal muscles

Question 3

Which system prepares the body for the situation described in the scenario?

Revolt · Accepted Answer

D: the sympathetic nervous system

Question 4

Which is an example of a reflex?

Revolt · Accepted Answer

B: pulling your foot away after stepping on a sharp object

Question 5

Use the drop-down menus to complete the sentences about how neurons distribute information to the body. Information enters the neuron through the . Information passes through the to the axon. Information leaves the neuron through the .

Revolt · Accepted Answer

C: dendrites

Question 6

Use the drop-down menus to complete the sentences. The neuron that transmits the impulse is called the , and the cell receiving the impulse is called the . When a nerve impulse arrives at the axon terminal of the neuron, it triggers the release of molecules called . These molecules diffuse across the synapse and bind to receptors on the next cell.

Revolt · Accepted Answer

B: presynaptic cell

Question 7

Question 7

Revolt · Accepted Answer

234306

Question 8

Question 8

Revolt · Accepted Answer

175785

Question 9

Question 9

Revolt · Accepted Answer

A: cell body

Question 10

Question 10

Revolt · Accepted Answer

A: postsynaptic cell

The Nervous System Answers

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