Basics

Question 1

What is function #1 of the nervous system?

Answer 1

Monitors internal and external environments

Question 2

What is function #2 of the nervous system?

Answer 2

Integrates sensory information

Question 3

What is function #3 of the nervous system?

Answer 3

Coordinates voluntary and involuntary responses of other organ systems

Question 4

What are the 2 main divisions of the nervous system?

Answer 4

CNS (central nervous system) and PNS (peripheral nervous system)

Question 5

What is the CNS?

Answer 5

It consists of the brain and spinal cord and deals with sensory data, motor commands, intelligence, memory, and emotion

Question 6

What is the PNS?

Answer 6

Connects the CNS to the rest of the body

Question 7

What is true about the PNS?

Answer 7

It is divided into 2 divisions

Question 8

What is the afferent?

Answer 8

Sensory information to the CNS

Question 8

What are the names of the 2 divisions of the PNS?

Answer 8

Afferent and efferent

Question 9

What is the efferent?

Answer 9

Motor commands to muscle and glands

Question 10

What is true about efferent?

Answer 10

It is split into 2 divisions

Question 11

What are the names of the two divisions of the efferent?

Answer 11

Somatic and autonomic

Question 12

What is somatic?

Answer 12

Skeletal muscle contractions

Question 13

What is autonomic?

Answer 13

Smooth muscle, cardiac muscle, and gland secretions

Question 14

What are the names of the two divisions of the autonomic?

Answer 14

Sympathetic and parasympathetic

Question 15

What are neurons?

Answer 15

Basic units of the nervous system

Question 16

What are neuroglia?

Answer 16

Regulates environment around the neurons (sometimes called supporting cells)

Question 17

What is another term for neuroglia?

Answer 17

Glial cells

Question 18

What is one fact about neuroglia?

Answer 18

They are more numerous than neurons and can participate in cell division