The nurse is teaching a pharmacology class to nursing students. Which processes are mediated by beta-2 receptors? -glycogenolysis in liver -enhanced skeletal muscle contraction -relaxation of the uterine smooth muscle -vasodilation of the arterioles in the heart
The nurse gives a medication that i...
NUR 243 Quiz 2 Questions and Correct
Answers
The nurse is teaching a pharmacology class to nursing students. Which processes are
mediated by beta-2 receptors? ✅-glycogenolysis in liver
-enhanced skeletal muscle contraction
-relaxation of the uterine smooth muscle
-vasodilation of the arterioles in the heart
The nurse gives a medication that inhibits acetylcholinesterase. How would this drug
affect autonomic activity? ✅Parasympathetic activity would increase
The nurse is teaching a group of students about pharmacologic effects of the feedback
loop on the autonomic nervous system. What will the nurse teach is the most important
feedback loop? ✅Baroreceptor reflex
The nurse is preparing to give a drug that stimulates the parasympathetic nervous
system (PNS). Which patient response is an expected outcome of this drug? ✅Heart
rate decreases to 60 bpm
By which of these ways does the sympathetic nervous system (SNS) help regulate body
temperature? Select all that apply. ✅-Sympathetic nerves to sweat glands promote
secretion of sweat
-Piloerection induced by sympathetic nerves causes heat conservation
The nurse is teaching a group of co-workers about the functions of the sympathetic
nervous system (SNS). Which statement by a co-worker would require correction?
✅"The SNS regulates control of vision."
The nurse is reviewing medications that act as beta1 receptors. Which of these are
response to beta1 receptor activation? Select all that apply. ✅-Release of renin
-Increased HR
-Increased atrioventricular (AV) conduction velocity
The nurse teaches a group of student nurses the overall primary functions of the
autonomic nervous system (ANS). Which of these are functions of the ANS? Select all
that apply. ✅-Regulation of gastric glands
-Regulation of bronchial glands
-Regulation of blood vessels
-Regulation of muscles of the bronchi
, Which receptors mediate responses to the neurotransmitter acetylcholine? Select all
that apply. ✅-Nicotinic
-Muscarinic
The nurse is reviewing the SNS effects on the heart and blood vessels. Which
statement is correct regarding the effect of SNS stimulation? ✅Stimulation of
sympathetic nerves to veins causes vasoconstriction
The nurse is teaching a group of students about the effects of cholinergic drugs. What
does the nurse include in the teaching? Select all that apply. ✅-Nicotinic receptor
stimulation causes increased blood pressure
-Muscarinic receptor stimulation causes increased gastrointestinal motility
-Nicotinic receptor stimulation causes increased contraction of skeletal muscle
A patient takes more than one cholinergic agonist that stimulates muscarinic receptors.
Which parameter does the nurse make a priority to monitor to help prevent serious
adverse effects of therapy? ✅blood pressure
Which neurotransmitter is most commonly found at the synapses of the peripheral
nervous system? ✅acetylcholine
Various drugs will cause different responses of the skeletal and ciliary muscles. Choose
the drug and its appropriate response. Select all that apply. ✅-Muscarine causes no
response to skeletal muscles
-Atropine before acetylcholine causes contraction of skeletal muscles
Which clinical indicators will the nurse monitor as a means of observing the activation of
muscarinic receptors? ✅Increased bronchial secretion
The nurse is teaching a group of nurses the significance of beta1 receptor activation.
What are the responses of this activation? Select all that apply. ✅-increased heart rate
-release of renin from kidneys
The nurse is caring for a patient who exhibits symptoms related to the regulatory
function of the PNS. Select the expected responses to PNS stimulation. Select all that
apply. ✅-Emptying of the bowel
-Slowing of the heart rate
-Contracting bronchial smooth muscle
The nurse is teaching a group of co-workers about drugs that affects the somatic motor
system function. The nurse will teach that the site of action this motor is at what
location? ✅Neuromuscular junction
A nurse is teaching the staff about the feedback loop of the autonomic nervous system.
In which order will the nurse place the steps of this process? ✅-Sensor stimulated
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