GMS 6520 Review Exam 1 Questions
and All Correct Answers 2025-2026
Edition.
spinal cord - Answer Which of the following is a part of the central nervous system?
- autonomic ganglia
- motor neurons
- sensory nerves
- smooth muscle
- spinal cord
axon - Answer What part of a neuron carries an action potential to another cell?
- dendrite
- soma
- axon
- Schwann cell
Ca2+/Na+ - Answer At a chemical synapse, --- flows into the presynaptic cell, and --- flows into
the postsynaptic cell.
oligodendrocytes - Answer Which type of neuroglia provide the myelin sheath in the central
nervous system?
tight junction - Answer What type of cell junction primarily contributes to the function of the
blood brain barrier?
midsagittal - Answer The two hemispheres of the brain are separated by what plane?
PNS - Answer Nerves are found only in the ---.
afferent fiber - Answer When transmitting a signal, which fiber always comes first?
, sight - Answer A blow to the back of the cerebrum is most likely to affect what function?
superiorly - Answer Action potentials in the dorsal portion of the spinal cord move in what
direction?
sympathetic - Answer When taking the final exam at the end of this course, the stress will
most likely lead to a small increase in output from what system?
acetylcholine - Answer Which neurotransmitter is found in the sympathetic, parasympathetic,
and somatic nervous systems?
muscarinic - Answer Which type of receptors are found in the effectors of both sympathetic
and parasympathetic portions of the ANS?
2 - Answer How many molecules of acetylcholine is an alpha1 beta gamma delta nACHR
capable of binding?
10:1 - Answer When a nACHR binds to ACh, what are the odds that the channel will open
rather than become densensitized?
acetylcholine - Answer Which endogenous agonist binds to receptors in the eye and is
responsible for the constriction of the iris?
dilation - Answer Increased parasympathetic tone would be expected to have what effect on
arterioles?
parasympathetic - Answer A patient is prone to diarrhea and would like have increased ---
tone.
adrenergic - Answer Which type of receptor is most likely directly responsible for bromhidrosis
(B.O.)?
between the postganglionic neuron and the effector - Answer Where in the ANS would you
expect reserpine to act?
and All Correct Answers 2025-2026
Edition.
spinal cord - Answer Which of the following is a part of the central nervous system?
- autonomic ganglia
- motor neurons
- sensory nerves
- smooth muscle
- spinal cord
axon - Answer What part of a neuron carries an action potential to another cell?
- dendrite
- soma
- axon
- Schwann cell
Ca2+/Na+ - Answer At a chemical synapse, --- flows into the presynaptic cell, and --- flows into
the postsynaptic cell.
oligodendrocytes - Answer Which type of neuroglia provide the myelin sheath in the central
nervous system?
tight junction - Answer What type of cell junction primarily contributes to the function of the
blood brain barrier?
midsagittal - Answer The two hemispheres of the brain are separated by what plane?
PNS - Answer Nerves are found only in the ---.
afferent fiber - Answer When transmitting a signal, which fiber always comes first?
, sight - Answer A blow to the back of the cerebrum is most likely to affect what function?
superiorly - Answer Action potentials in the dorsal portion of the spinal cord move in what
direction?
sympathetic - Answer When taking the final exam at the end of this course, the stress will
most likely lead to a small increase in output from what system?
acetylcholine - Answer Which neurotransmitter is found in the sympathetic, parasympathetic,
and somatic nervous systems?
muscarinic - Answer Which type of receptors are found in the effectors of both sympathetic
and parasympathetic portions of the ANS?
2 - Answer How many molecules of acetylcholine is an alpha1 beta gamma delta nACHR
capable of binding?
10:1 - Answer When a nACHR binds to ACh, what are the odds that the channel will open
rather than become densensitized?
acetylcholine - Answer Which endogenous agonist binds to receptors in the eye and is
responsible for the constriction of the iris?
dilation - Answer Increased parasympathetic tone would be expected to have what effect on
arterioles?
parasympathetic - Answer A patient is prone to diarrhea and would like have increased ---
tone.
adrenergic - Answer Which type of receptor is most likely directly responsible for bromhidrosis
(B.O.)?
between the postganglionic neuron and the effector - Answer Where in the ANS would you
expect reserpine to act?
