AM
BIO 242 ACTUAL EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED GRADED A+ LATEST
RELEASE 2025
Leave the first rating
Save
Terms in this set (200)
Saltatory conduction B) the myelin sheath
is made possible by
_____.
A) large nerve fibers
B) the myelin sheath
C) biphasic impulses
D) erratic transmission
of nerve impulses
Which part of the B) repolarization
action potential
occurs when the Na+
channels are
inactivating
and K+ channels
open?
A) depolarization
B) repolarization
C) resting state
D) hyperpolarization
Which type of ion B) voltage-gated
channel opens in
response to
changes in
membrane
1/36
,4/27/25, 9:57 BIO 242 Flashcards |
AM
potential?
A) mechanically gated
B)voltage-gated
C) leakage
D) chemically gated
The_division of the B) parasympathetic
autonomic nervous
system has its
ganglia near the
spinal column.
A) thoracic
B) parasympathetic
C) somatic
D) sympathetic
A neuron that has B) interneuron
as its primary
function the job of
connecting other
neurons is called
a(n)_____.
A) glial cell
B) interneuron
C) efferent neuron
D) afferent neuron
Emptying of the C) visceral
bladder or rectum
are examples of
which type of reflex?
A) withdrawal
B) abdominal
C) visceral
D) plantar
The somatic and A) regulation of activity by higher brain
autonomic nervous centers
systems differ in all
the following EXCEPT
____.
A) regulation of
activity by higher
2/36
,4/27/25, 9:57 BIO 242 Flashcards |
AM
brain centers
B) their effectors
C) target organ
responses to
their
neurotransmitte
rs
D) their efferent
pathways and
ganglia
Cranial nerve II, the B) sensory (afferent) division
optic nerve sends
nerve impulses to
the brain carrying
information about
the things we see.
These nerve fibers
most likely belong to
which division of the
nervous system?
A) parasympathetic
division
B) sensory (afferent)
division
C) sympathetic division
D) somatic nervous
system
Which neuroglia is A) satellite cells
functionally similar
to an astrocyte,
surrounding neuron
cell bodies in the
PNS?
A) satellite cells
B) Schwann cells
C) oligodendryocytes
D) ependymal
Activation of C) motor output
effector organs to
produce a response
3/36
, 4/27/25, 9:57 BIO 242 Flashcards |
AM
describes ____.
A) integration
B) sensory input
C) motor output
D) none of the above
4/36