Filters
Question type

Study Flashcards

The axons that release norepinephrine are called _________.

Correct Answer

verifed

verified

White rami communicantes carry preganglionic sympathetic axons from the T1-L2 spinal nerves to the sympathetic trunk.

A) True
B) False

Correct Answer

verifed

verified

The number of ganglia that may be associated with motor neurons of the somatic nervous system is


A) 1.
B) 2.
C) 3.
D) 4.
E) 0.

F) A) and D)
G) A) and C)

Correct Answer

verifed

verified

The CN that supplies parasympathetic innervation to the thoracic organs is


A) CN II.
B) CN III.
C) CN VI.
D) CN IX.
E) CN X.

F) B) and D)
G) A) and E)

Correct Answer

verifed

verified

Terminal and intramural ganglia are associated with the parasympathetic branch of the ANS.

A) True
B) False

Correct Answer

verifed

verified

Which statements are correct concerning the sympathetic division of the ANS? A: Preganglionic neuron cell bodies are located in the lateral horns of the T1-L2 regions. B: Preganglionic neuron cell bodies are located in brainstem nuclei. C: It is associated with the oculomotor and facial nerves. D: It participates in the "fight-or-flight" response. E: Preganglionic neuron cell bodies are located in the sacral region of the spinal cord.


A) a,d
B) a,c,d,e
C) b,c,e
D) b,d
E) a,b,d

F) B) and C)
G) A) and E)

Correct Answer

verifed

verified

The sympathetic preganglionic neuron cell bodies are housed in the _______ horn of the appropriate thoracolumbar regions of the spinal cord.

Correct Answer

verifed

verified

Which type of innervation causes pupil dilation?


A) Parasympathetic
B) Sympathetic

C) A) and B)
D) undefined

Correct Answer

verifed

verified

The preganglionic axons of CN III extend to the _______ ganglion.


A) pterygopalatine
B) submandibular
C) otic
D) pelvic
E) ciliary

F) B) and D)
G) A) and B)

Correct Answer

verifed

verified

Parasympathetic ______________ axons are longer than their counterparts in the sympathetic division.

Correct Answer

verifed

verified

Which number indicates a postganglionic axon?


A) 3
B) 4
C) 5
D) 6
E) 7

F) D) and E)
G) A) and E)

Correct Answer

verifed

verified

Which type of innervation causes the heart rate to increase?


A) Parasympathetic
B) Sympathetic

C) A) and B)
D) undefined

Correct Answer

verifed

verified

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia,as well as preganglionic axons from the vagus nerve?


A) Esophageal plexus
B) Pulmonary plexus
C) Abdominal aortic plexus
D) Hypogastric plexus
E) Cardiac plexus

F) B) and D)
G) B) and E)

Correct Answer

verifed

verified

Which sympathetic pathway involves only a preganglionic axon going to the effector organ?


A) Splanchnic nerve pathway
B) Adrenal medulla pathway
C) Postganglionic sympathetic nerve pathway
D) Spinal nerve pathway
E) None of these answers involve only a sympathetic preganglionic axon.

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the


A) white rami communicantes.
B) superior cervical ganglion.
C) gray rami communicantes.
D) splanchnic nerves.
E) pterygopalatine ganglion.

F) B) and C)
G) All of the above

Correct Answer

verifed

verified

The parasympathetic innervation from the pelvic splanchnic nerves is responsible for erection of the female clitoris and the male penis.

A) True
B) False

Correct Answer

verifed

verified

Neuronal divergence occurs when axons from one preganglionic cell synapse on numerous ganglionic cells.

A) True
B) False

Correct Answer

verifed

verified

Gray rami from the sympathetic trunk connect to


A) alternating spinal nerves.
B) the cranial nerves.
C) every fourth spinal nerve.
D) all spinal nerves.
E) None of the choices is correct;the gray rami carry impulses to the sympathetic trunk.

F) B) and E)
G) All of the above

Correct Answer

verifed

verified

The preganglionic sympathetic neuron cell bodies are housed in the


A) anterior columns of the spinal cord.
B) posterior columns of the spinal cord.
C) sympathetic trunk.
D) lateral horns of the T1-L2 segments of the spinal cord.
E) paravertebral ganglia.

F) B) and E)
G) A) and B)

Correct Answer

verifed

verified

Both the autonomic and somatic nervous systems may have sensory input from general somatic senses.

A) True
B) False

Correct Answer

verifed

verified

Showing 61 - 80 of 102

Related Exams

Show Answer