GMS 6520 Review Exam 1 with complete
solutions to pass
Which of the following is a part of a central nervous system? - correct answer ✔✔Spinal Cord
What part of a neuron carries an action potential to another cell? - correct answer ✔✔Axon
At a chemical synapse, ______ flows into the presynaptic cell and _______ flows into the postsynaptic
cell. - correct answer ✔✔Ca2+/Na+
Which type of neuroglia provide the myelin sheath in the Central Nervous System? - correct answer
✔✔Oligodendrocytes
What type of cell junction primarily contributes to the function of the blood brain barrier? - correct
answer ✔✔Tight Junction
The two hemispheres of the brain are separated by what plane? - correct answer ✔✔Midsagittal
Nerves are found only in the ______________. - correct answer ✔✔PNS
When transmitting a signal, which fiber always comes first? - correct answer ✔✔Afferent fiber
Which lobe of the brain is located most posteriorly? - correct answer ✔✔Occipital lobe
What cranial nerve innervates the intestines? - correct answer ✔✔Vagus
A blow to the back of the head is most likely to affect what function? - correct answer ✔✔Sight
, Action potentials in the dorsal portion of the spinal cord move what direction? Assume the signal is a
communication that either starts or stops in the brain. - correct answer ✔✔Superiorly
When taking the final exam at the end of this course, the stress will most likely lead to at least a small
increase in output from which system? - correct answer ✔✔Sympathetic
Which neurotransmitter is found in the sympathetic, parasympathetic and somatic nervous system? -
correct answer ✔✔Acetylcholine
Which type of receptors are found in the effectors of both the sympathetic and parasympathetic
portions of the ANS? - correct answer ✔✔Muscarinic
How many molecules of acetylcholine is an alpha1 beta gamma delta nAChR capable of binding? -
correct answer ✔✔2
When a nAChR binds ACh, what are the odds that the channel will open rather than become
desensitized? - correct answer ✔✔10:1
Which endogenous agonist binds to receptors in the eye and is responsible for the constriction of the
iris? - correct answer ✔✔Acetylcholine
Increased parasympathetic tone would be expected to have what effect on arterioles? - correct answer
✔✔Dilation
A patient that is prone to diarrhea would likely have increased______ tone. - correct answer
✔✔Parasympathetic
Which type of receptor is most directly responsible for bromhidrosis (B.O.)? - correct answer
✔✔Adrenergic
Where in the ANS would you expect reserpine to act? - correct answer ✔✔Between the postganglionic
neuron and the effector
solutions to pass
Which of the following is a part of a central nervous system? - correct answer ✔✔Spinal Cord
What part of a neuron carries an action potential to another cell? - correct answer ✔✔Axon
At a chemical synapse, ______ flows into the presynaptic cell and _______ flows into the postsynaptic
cell. - correct answer ✔✔Ca2+/Na+
Which type of neuroglia provide the myelin sheath in the Central Nervous System? - correct answer
✔✔Oligodendrocytes
What type of cell junction primarily contributes to the function of the blood brain barrier? - correct
answer ✔✔Tight Junction
The two hemispheres of the brain are separated by what plane? - correct answer ✔✔Midsagittal
Nerves are found only in the ______________. - correct answer ✔✔PNS
When transmitting a signal, which fiber always comes first? - correct answer ✔✔Afferent fiber
Which lobe of the brain is located most posteriorly? - correct answer ✔✔Occipital lobe
What cranial nerve innervates the intestines? - correct answer ✔✔Vagus
A blow to the back of the head is most likely to affect what function? - correct answer ✔✔Sight
, Action potentials in the dorsal portion of the spinal cord move what direction? Assume the signal is a
communication that either starts or stops in the brain. - correct answer ✔✔Superiorly
When taking the final exam at the end of this course, the stress will most likely lead to at least a small
increase in output from which system? - correct answer ✔✔Sympathetic
Which neurotransmitter is found in the sympathetic, parasympathetic and somatic nervous system? -
correct answer ✔✔Acetylcholine
Which type of receptors are found in the effectors of both the sympathetic and parasympathetic
portions of the ANS? - correct answer ✔✔Muscarinic
How many molecules of acetylcholine is an alpha1 beta gamma delta nAChR capable of binding? -
correct answer ✔✔2
When a nAChR binds ACh, what are the odds that the channel will open rather than become
desensitized? - correct answer ✔✔10:1
Which endogenous agonist binds to receptors in the eye and is responsible for the constriction of the
iris? - correct answer ✔✔Acetylcholine
Increased parasympathetic tone would be expected to have what effect on arterioles? - correct answer
✔✔Dilation
A patient that is prone to diarrhea would likely have increased______ tone. - correct answer
✔✔Parasympathetic
Which type of receptor is most directly responsible for bromhidrosis (B.O.)? - correct answer
✔✔Adrenergic
Where in the ANS would you expect reserpine to act? - correct answer ✔✔Between the postganglionic
neuron and the effector
