Quiz - Chapter 6 - Nervous System

Question 1

The “stress-response” and stimulation part of the autonomic nervous system (ANS) is the sympathetic nervous system.

A. True
B. False

Answer 1

A. True

Question 2

Sensory impulses from the peripheral nervous system (PNS) enter the cord through the anterior horn.
A. True
B. False

Answer 2

B. False

Question 3

The white fatty substance present in the central nervous system (CNS) and peripheral nervous system (PNS) that serves to increase the speed of impulse conduction is called

A. myelin.
B. the node of Ranvier.
C. a neuron.
D. a tract.

Answer 3

A. myelin.

Question 4

The innermost layer of the protective membrane that contains the blood vessels to the brain is the
A. dura mater.
B. subarachnoid mater.
C. pia mater.
D. ventricular mater.

Answer 4

C. pia mater.

Question 5

At which level of the spinal column is damage to the spinal cord no longer a concern?
A. C7
B. T8
C. T10
D. L1

Answer 5

D. L1

Question 6

The nerve plexus formed by the rami of C5 through T1 is called the
A. cervical plexus.
B. brachial plexus.
C. thoracic plexus.
D. lumbosacral plexus.

Answer 6

B. brachial plexus.

Question 7

A person experiencing “foot drop” has damage to which of the following nerves?
A. Radial nerve
B. Median nerve
C. Femoral nerve
D. Common peroneal nerve

Answer 7

D. Common peroneal nerve

Question 8

A person experiencing “ape hand” has damage to which of the following nerves?
A. Radial nerve
B. Median nerve
C. Femoral nerve
D. Common peroneal nerve

Answer 8

B. Median nerve

Question 9

A person with weakness of knee extension has damage to which of the following nerves?
A. Radial nerve
B. Median nerve
C. Femoral nerve
D. Common peroneal nerve

Answer 9

C. Femoral nerve

Question 10

A person with “wrist drop” has damage to which of the following nerves?

A. Radial nerve
B. Median nerve
C. Femoral nerve
D. Common peroneal nerve

Answer 10

A. Radial nerve

Question 11

A common pathology of the CNS characterized by issues with production, absorption, or flow of cerebrospinal fluid is which of the following?
A. Autonomic dysreflexia
B. Spina bifida
C. Hydrocephalus
D. Brown-Séquard’s syndrome

Answer 11

C. Hydrocephalus

Question 12

A common pathology of the PNS characterized by weakness of the long thoracic nerve is which of the following?

A. Scapular winging
B. Thoracic outlet syndrome
C. Bell’s palsy
D. Carpal tunnel syndrome

Answer 12

A. Scapular winging