General Concepts #7 – Autonomic Nervous System (2009)

Question 1

The autonomic nervous system is considered a ____ neuron system.

a) 0
b) 1
c) 2
d) 3
e) 4

Answer 1

c) 2

Question 2

In general, sympathetic preganglionic fibers are ____ than postganglionic fibers.
Parasympathetic preganglionic fibers usually synapse at the ____.
a) Longer; Chain ganglia
b) Shorter; Chain ganglia
c) Longer; Organ wall
d) Shorter; Organ wall

Answer 2

d) Shorter; Organ wall

Question 3

The intermediolateral cell column (IML) is present from:

a) All 31 levels
b) C1-T2
c) T1-L2
d) L1-S2
e) Cervical and Sacral

Answer 3

c) T1-L2

Question 4

Which sympathetic pathway involves pregalionic general visceral efferent (GVE)
fibers NOT synapsing before exiting the sympathetic chain to their target?
a) Pathway to the body wall
b) Pathway to cavity organs above the diaphragm
c) Pathway to cavity organs below the diaphragm
d) Pathway to the thymus gland
e) Pathway to the brain

Answer 4

c) Pathway to cavity organs below the diaphragm

Question 5

All of the following are origins of preganglionic parasympathetic fibers EXCEPT:

a) S2-S4
b) T1-L2
c) CN X (Vagus)
d) CN III (Oculomotor)
e) CN IX (Glossopharyngeal)

Answer 5

b) T1-L2

Question 6

Parasympathetic GVE fibers enter the spinal cord via \_\_\_\_ roots and exit the spinal
cord via \_\_\_\_ roots.
a) Dorsal; Ventral
b) Ventral; Dorsal
c) Dorsal; Dorsal
d) Ventral; Ventral
e) Depends on reflex

Answer 6

a) General somatic afferents (GSA) from general visceral efferent (GVE)

Question 7

Referred pain is radiated from an organ to a dermatome because the brain cannot
differentiate ____ from _____.
a) General somatic afferents (GSA) from general visceral efferent (GVE)
b) General somatic afferents (GSA) from general somatic efferent (GSE)
c) General visceral afferents (GVA) from general somatic efferent (GSE)
d) General visceral afferents (GVA) from general visceral efferent (GVE)

Answer 7

d) General visceral afferents (GVA) from general visceral efferent (GVE)