Nervous System

Question 1

Three functions of nervous system

Answer 1

Sensory input, integration, and motor output

Question 2

Sensory input

Answer 2

Monitors and detects changes/stimuli occurring inside and outside the body.

Question 3

Integration

Answer 3

Interprets info/sensory input and decides whether action is needed and what action is needed

Question 4

Motor output

Answer 4

Carries out response to stimuli by activating effectors which activates muscles or glands

Question 5

Two major divisions of nervous system

Answer 5

Central Nervous System and Peripheral Nervous System

Question 6

CNS

Answer 6

Brain and spinal cord. In charge of Integration

Question 7

PNS

Answer 7

Nerves extending from CNS. Includes 31 spinal nerves and 12 cranial nerves. Serves as communication lines

Question 8

2 Functional classifications of PNS

Answer 8

Sensory/afferent division and motor/efferent division

Question 9

Sensory/afferent division

Answer 9

Information being carried towards CNS from somatic sensory fibers and visceral sensory fibers

Question 10

Motor/efferent division

Answer 10

Info being carried from CNS. Can either be somatic or autonomic.

Question 11

Somatic subdivision

Answer 11

Voluntary control of skeletal muscles

Question 12

Autonomic subdivision

Answer 12

Involuntary control of smooth muscle, cardiac muscle, and glands

Question 13

Sympathetic

Answer 13

Fight or flight. Epinephrine. Response to unusual stimulus. E division

Question 14

Parasympathetic

Answer 14

Housekeeping. Conserves energy and maintains daily necessary body functions. D division