BIOS 231 Final Exam Solution
BIOS
231 Final Exam Solution
1) ATP is converted into cAMP by which enzyme?
1) ATP is converted into cAMP by which enzyme?
2) According
to Ohms law, if the voltage increases, the current decreases.
3)
Afferent fibers are fibers that transmit impulses from the receptors to the
CNS.
4) These
cells cushion the brain
5)
Exocytosis is the process in which
6)
Threshold of a neuron is reached at how many millivolts?
7)
Glands are innervated by the somatic motor system.
8)
Saltatory conduction also occurs in post-synaptic fibers.
9)
Typically, what is the charge of a neuron at rest?
10) The
autonomic nervous system is responsible for maintaining the constancy of the
body’s internal environment (homeostasis).
11)
These cells form the myelin sheath in the CNS.
12) “J”
REPRESENTS THE _____________
13) The
sympathetic division conserves energy and promotes nonemergency functions.
14)
______ and ______ causes depolarization of the post synaptic membrane.
(neurotransmitter and ion) (check all that apply)
15) Most
multipolar neurons are ____________
16) Post
ganglionic fibers of the autonomic system are non myelinated.
17)
WHICH LETTER REPRESENTS THE AXON HILLOCK?
18) What
happens during repolarization? (check all that apply)
19) The
gaps between schwann cells are called _________
20)
FORMS THE MYELIN SHEATH IN THE PNS
21)
According to Ohms law, if voltage increases, resistance decreases.
22)
Which type of post synaptic potential causes hyperpolarization.
23)
Sympathetic neurons have long pre-ganglionic fibers and short post-ganglionic
fibers.
24) The
opening of Ca 2+ channels in the axon results in what?
25)
Releasing acetylcholine tends to excite an organ
26) The
white blood cells of the CNS
27) “C”
REPRESENTS THE ___________
28) The
greater the gradient of ions, the greater potential to do work
29) The
cAMP second messenger system is an important regulatory of cellular energy
during _________
30) Which
is true about the sodium potassium pump?
31)
Somatic motor neurons also innervate glandular tissue.
32)
WHICH LETTER REPRESENTS THE DENDRITES?
33) The
synapse of a neuron is where synaptic vesicles are stored.
34)
____________ is the neurotransmitter that causes a muscle to
contract/depolorize.
35) The
peripheral nervous system consists of the brain and spinal cord.
36) Skeletal muscles are innervated by neurons in the motor division.
36) Skeletal muscles are innervated by neurons in the motor division.
37)
Temporal summation is the summing of several different pre-synaptic neurons.
38) A
ganglion is the site where the pre-synaptic neuron synapse with the
post-synaptic neuron releasing acetylcholine.
39)
Pre-synaptic neurons always secrete acetylcholine.
40) In
the peripheral nervous system, the myelin sheath is formed by the
ologodendrocytes.
41) The
dendrites are the receptive regions of the neuron.
42)
SYNAPTIC VESICLES ARE STORED HERE.
43) The
G protein stimulates adenylyl cyclase
44) What
happens during an action potential?
.45)
Which structure in the neuron generates the action potential?
No comments:
Post a Comment