Week 10 - Somatic Nervous System

Question 1

_________ receptors are specialized cells or cell processes that provide your CNS with information about conditions inside or outside of the body.

a) Pain
b) Sensory
c) GABA
d) Motor

Answer 1

b) Sensory

Question 2

A sensory pathway includes the nerves, nuclei and tracts that deliver somatic and visceral sensory information to their final destination in the ____.

a) SNS
b) PNS
c) CNS
d) ANS

Answer 2

c) CNS

Question 3

True or False?

The receptors, sensory neurons, and sensory pathways make up the efferent division.

Answer 3

False.

The receptors, sensory neurons, and sensory pathways make up the AFFERENT division.

Question 4

Somatic sensory information is distributed to sensory processing centers in the brain, either in the?

a) primary sensory cortex and cerebellar hemispheres
b) primary motor cortex and cerebellar hemispheres
c) primary sensory cortex and cerebral peduncles
d) primary motor cortex and cerebral peduncles

Answer 4

a) primary sensory cortex and cerebellar hemispheres

Question 5

Visceral sensory information is distributed primarily to reflex centers in the?

a) brainstem and spinal cord
b) brainstem and thalamus
c) brainstem and hypothalamus
d) brainstem and diencephalon

Answer 5

d) brainstem and diencephalon

Question 6

The somatic motor portion of the efferent division includes all of the following, except? These control peripheral effectors.

a) nuclei
b) motor tract
c) ventricles
d) motor neurons

Answer 6

c) ventricles

Question 7

Whether somatic motor commands arise at the conscious or subconscious levels, they travel from motor centers in the brain along?

a) somatic motor pathways
b) somatic sensory pathways
c) visceral motor pathways
d) visceral sensory pathways

Answer 7

a) somatic motor pathways

Question 8

True or False?

The motor neurons and pathways that control skeletal muscles form the somatic nervous system.

Answer 8

True.