Lehnes Pharmacology For Nursing Care 11th Edition
Burchum Test Bank Chapter 1 - 112 | Updated Guide
The nurse knows that the advantage of patients having multiple types of
receptors to regulate bodily functions is what?
A. Improved maximal efficacy
B. Reduction of side effects and toxicity
C. Higher degree of selectivity
D. Lower therapeutic index - C
Which organs are controlled primarily by the parasympathetic system?
Select all that apply.
A. Gastrointestinal tract
B. Respiratory tract
C. Cardiovascular system
D. Skin
E. Salivary glands - A, B, D, E
Which receptors below are considered adrenergic receptors?
Select all that apply
A. Alpha1
B. Beta2
C. Dopamine
D. Muscarinic
E. Beta1
F. Alpha2 - A, B, C, E, F
Which phrase should the nurse use to best describe activation of a receptor?
A. An effect that causes the physiologic process to speed up
,B. An effect that mimics the natural neurotransmitter for that receptor
C. An effect that improves the function of the receptor
D. An effect that causes the receptor to be more sensitive - B
The nurse is administering isoproterenol, a beta1 and beta2 agonist. The nurse
understands activation of these two receptors will result in which expected drug
effects?
Select all that apply.
A. Increased heart rate
B. Excessive drowsiness
C. Increased force of heart contraction
D. Decreased cardiac output
E. Bronchial dilation
F. Decreased glucose levels - A, C, E
The nurse is preparing to give a drug that stimulates the parasympathetic
nervous system. Which patient response is an expected outcome of this drug?
A. Wheezing decreases due to bronchodilation.
B. Heart rate decreases to 60 beats per minute.
C. Diarrhea stool count decreases.
D. Oxygenation improves because of bronchodilation. - B
The nurse knows that which neurotransmitter is most commonly found at the
synapses of the peripheral nervous system?
A. Norepinephrine
B. Epinephrine
C. Dopamine
D. Acetylcholine - D
,A nurse gives a medication that inhibits acetylcholinesterase. How would this
drug affect autonomic activity?
A. Parasympathetic activity would increase.
B. Parasympathetic signals would be depressed.
C. Sympathetic activity would increase.
D. Respiratory centers would be depressed. - A
A patient is experiencing symptoms of the fight-or-flight response. Which
autonomic process stimulates this response?
A. Sympathetic system
B. Predominant tone of the organs
C. Baroreceptor reflex
D. Parasympathetic system - A
The nurse is preparing to give a drug to stimulate activation of adrenergic
receptors. Which effects indicate sympathetic stimulation?
A. Increase in heart rate
B. Constriction of pupils
C. Atrioventricular block
D. Sinus bradycardia - A
Which receptors mediate responses to the neurotransmitter acetylcholine?
Select all that apply.
A. Alpha1
B. Beta2
C. Dopamine
D. Nicotinic
E. Muscarinic - D, E
, The nurse is caring for a group of patients who are all receiving anticholinergic
drugs. In which patient is an anticholinergic drug contraindicated?
A. A 60-year-old woman with an overactive bladder (OAB)
B. A 72-year-old man with glaucoma
C. A 45-year-old woman with peptic ulcer disease (PUD)
D. A 26-year-old man being prepared for surgery today - B
A nurse is preparing to give bethanechol [Urecholine]. What is an expected
outcome of this drug?
A. Nondistended bladder
B. Increased heart rate and blood pressure
C. Improved pulse oximetry reading
D. Relief of cardiac rhythm problems - A
Antimuscarinic poisoning can result from overdose of antihistamines,
phenothiazines, and tricyclic antidepressants. Differential diagnosis is
important, because antimuscarinic poisoning resembles which other condition?
A. Epilepsy
B. Diabetic coma
C. Meningitis
D. Psychosis - D
Which label most aptly describes the drug atropine [Sal-Tropine]?
A. Cholinergic
B. Parasympatholytic
C. Muscarinic agonist
D. Parasympathomimetic - B
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