CNS PNS and ANS Anatomy Quiz Comprehensive Questions and Answers

CNS, PNS, and ANS Anatomy Quiz comprehensive Questions
and Answers with 100% Correct Answers | Latest Version

Question 1.
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the
Correct Answer: gray matter of the thoracic and upper lumbar segments of the spinal
cord.

Question 2.
Which letter indicates a tactile corpuscle (Meissner's corpuscle) that is responsive to light
pressure?
Correct Answer: B

Question 3.
Which letter indicates a lamellar corpuscle (Pacinian corpuscle) that rapidly adapts to deep
pressure stimuli?
Correct Answer: D

Question 4.
Which letter indicates the celiac ganglion and plexus?
Correct Answer: C

Question 5.
How many pairs of spinal nerves are connected to the spinal cord?
Correct Answer: 31

Question 6.
Which letter indicates receptors that respond chiefly to pain and temperature?
Correct Answer: C

Question 7.
Which letter indicates epithelial tactile complexes (Merkel discs), light pressure receptors
found in the epidermis?
Correct Answer: A

Question 8.
The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance
of a horse's tail called the
Correct Answer: cauda equina

, Question 9.
Formation of the cerebrospinal fluid occurs in the
Correct Answer: choroid plexus.

Question 10.
Which letter indicates the left vagus nerve?
Correct Answer: A

Question 11.
Which letter indicates the corpora quadrigemina, meaning "four bodies"?
Correct Answer: D

Question 12.
The dorsal root of each spinal nerve is easily recognized as a swelling called the
Correct Answer: dorsal root ganglion.

Question 13.
Which letter indicates the cranial nerve with nerve fibers that pass through the hypoglossal
canal?
Correct Answer: E

Question 14.
The inner protective covering of the brain is called the
Correct Answer: meninges

Question 15.
Spinal cord tracts provide conduction paths to and from the brain. The tracts that conduct
sensory impulses down the cord from the brain are called _____ tracts.
Correct Answer: descending

Question 16.
Which letter indicates the cranial nerve that has motor fibers that innervate muscles of facial
expression?
Correct Answer: D

Question 17.
The ventral rami of most spinal nerves subdivide to form complex networks called
Correct Answer: plexuses