NURS6630 week 1 Knowledge check
Question 1
To which family does the nicotinic Ach receptor belong?
Group of answer choices
Ionotropic glutamate receptors
N-methyl-D-aspartate receptor
GABAA receptors
ATP-gated channels
The Cys-loop superfamily of ionotropic receptors
Question 2
What condition is necessary for ion channels to work?
Group of answer choices
A stable electrochemical voltage
A decreased electrochemical voltag
A concentration gradient
Changes in osmolarity
The correct number of receptors
Question 31 pts
Which of the following statements regarding histone modification is FALSE?
Group of answer choices
Winding DNA around histones makes it more expressible
Histone modification is a post-translational modification.
Histone modifications are heritable.
Acetylation of histone is a type of histone modification.
Methylation of histone is a type of histone modification.
Question 4
A nicotinic acetylcholine receptor located in an autonomic ganglion is opened by which of the following mechanisms?
Group of answer choices
Stretch-activated
Insertion into an intracellular receptor
Voltage-gated
Ligand-gated
Osmolality-activated
Question 5
What does the binding of epinephrine by a G-protein coupled receptor (GPCR) do?
Group of answer choices
Stimulates the phosphatase activity of protein kinase A.
Causes the α-subunit of a G-protein to become activated with GDP.
Results in the production of cAMP by adenylate cyclase.
Decreases the levels of cAMP.
Question 6
Which part of the limbic system mediates changes to the autonomic nervous system in response to emotion?
Group of answer choices
Amygdala
Hypothalamus
Cingulate gyru
Caudate
Prefrontal cortex
Question 7
Which of the following is NOT a component of a neuron?
Group of answer choices
Soma
Nissl substance
Glia
Dendrite
Axon
Question 8
Which part of the brain is affected in expressive aphasia?
Group of answer choices
Dominant frontal lobe
Non-dominant temporal lobe
Non-dominant frontal lobe
Dominant temporal lobe
Non-dominant inferior parietal lobe
Question 9
Which of the following statements is NOT true?
Group of answer choices
Norepinephrine is the main neurotransmitter released by postganglionic fibers of the sympathetic nervous system.
Acetylcholine can be a neurotransmitter released by postganglionic fibers of the sympathetic nervous system.
Acetylcholine is the only neurotransmitter released by the preganglionic fibers of the parasympathetic nervous system.
Acetylcholine is the neurotransmitter released by postganglionic fibers of the parasympathetic nervous system.
Epinephrine is the only neurotransmitter released by postganglionic fibers of the sympathetic nervous system.
Question 10
Which of the following combinations of synapses is NOT correct?
Group of answer choices
CN IX—otic ganglion
CN X—pterygopalatine ganglion
Splanchnic nerves—terminal ganglia of the hindgut and pelvic viscera
CN VII—submandibular ganglion
CN III—ciliary ganglion
Solution : NURS6630 week 1 Knowledge check
Question 11 pts
To which family does the nicotinic Ach receptor belong?
Group of answer choices
Ionotropic glutamate receptors
N-methyl-D-aspartate receptor
GABAA receptors
ATP-gated channels
The Cys-loop superfamily of ionotropic receptor
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