The Type of nerve fibers that connect thalmus to the cerebral
cortex together?
Association fibers
Beta fibers
Commisure Fibers
Projection Fibers
Alpha fibers
11). Explain why myelinated nerve fibers conduct signals much
faster than unmyelinated nerve fibers.
12). What is meant by the anterior (ventral) & posterior
(dorsal) roots of a spinal nerve? Which of these is sensory &
which is motor?
13. Contrast the composition and locations of gray matter &
white matter in the brain.
20. ). If the oculomotor nerve or the trochlear nerve or the
abducens nerve each was damaged, the effect would be similar in all
three cases....
Question 5 :
a) What is commisural fibers ? projection fibers ? Association
fibers?
b) What does the white matter of the brain do ?
( "type" a short clear answer please )
Why are human nerve fibers rich in sphingolipids and
glycosphingolipids? What is the purpose of these biological
molecules? Explain and cite your sources.
The walls of the veins contain smooth muscle which is
innervated by sympathetic nerve fibers. Sympathetic stimulation
____________ venous vasoconstriction and drives __________ blood
into the heart. Fill in the blanks with one of the following term
combinations.
increases / more
increases / less
decreases / more
decreases / less
1. TRUE OR FALSE: High frequency nerve fibers course along the
outer surface of the auditory nerve bundle.
2. Which cranial nerve is involved in sensory AND motor function
of the tongue?
a. Trigeminal
b. Facial
c. Vagus
d. Glossopharyngeal
e. Hypoglossal
3. Select the structure or region innervated by the
efferent fibers of each cranial nerve.
Trigeminal (V)
Facial (VII)
Glossopharyngeal (IX)
Vagus (X)
Hypoglossal (XII)
The choices are: Face, Larynx, Muscles of Mastication, None,
Intrinsic & Extrinsic Tongue...
Choose the best answer(s) with respect to auditory fibers:
a) Type I
fibers innervate inner hair cells
b) Type
II fibers innervate outer hair cells
c) Type I
fibers innervate outer hair cells
d) a
& b