PHC 7010 Exam 2 Questions And Answers Rated 100%!!!
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Course
PHC 7010
Institution
PHC 7010
Medication AB is an indirect-acting agonist of the adrenergic nervous system. It can block the uptake of norepinephrine into the presynaptic neuron. This describes which of the following agents?
A. Cocaine
B. Epinephrine
C. Isoproterenol
D. Norepinephrine
E. Phenylephrine - ANS A. Coca...
PHC 7010 Exam 2 Questions And
Answers Rated 100%!!!
Medication AB is an indirect-acting agonist of the adrenergic nervous system. It can block the
uptake of norepinephrine into the presynaptic neuron. This describes which of the following
agents?
A. Cocaine
B. Epinephrine
C. Isoproterenol
D. Norepinephrine
E. Phenylephrine - ANS A. Cocaine
An asthma patient was given a nonselective beta agonists to relieve bronchoconstriction. Which
of the following adverse effects would you expect to see in the patient?
A. Bradycardia
B. Tachycardia
C. Hypotension
D. Worsening bronchoconstriction - ANS B. Tachycardia
A 25-year-old man is notes to be in septic shock due to ruptured appendicitis. IV norepinephrine
is administered, and will likely results in which of the following?
A. Decrease cardiac output
B. Decrease systolic blood pressure
C. Increase renal blood flow
D. Produce significant peripheral vasoconstriction - ANS D. Produce significant peripheral
vasoconstriction
A 32-year-old man presents to his primary physician because of a 2-week history of nasal
stuffiness, cough, and sinus pain. He is prescribed with phenylephrine. He must be aware of
which of the following potential adverse effects?
A. Constipation
B. Diarrhea
C. Epistaxis
D. Hypertension
E. Tinnitus - ANS D. Hypertension
, A medical student is doing a summer research project that involves administering beta
2-receptor agonists to rats to determine the physiologic changes. Which of the following would
be expected following steady state intravenous doing of agent X, a beta 2-receptor agonist?
A. Bronchoconstriction
B. Hyperglycemia
C. Hypertension
D. Uterine spasm
E. Vasoconstriction - ANS B. Hyperglycemia
Norepinephrine is metabolized by which of the following enzymes?
A. COMT
B. MAO
C. Both
D. Neither - ANS C. Both
A 53-year-old woman with COPD is using an albuterol inhaler for symptomatic relief of
bronchospasm. She does not like using her inhaler because it causes
A. Her lips to turn blue
B. Her heart to beat faster
C. Numbness in her fingers and toes
D. Transient blindness
E. Transient diminished hearing - ANS B. Her heart to beat faster
Despite its ability to stimulate receptors in the sympathetic nervous system, norepinephrine has
relatively little capacity to increase bronchial airflow because the receptors in the bronchial
smooth muscle are largely of the
A. beta 2 subtype
B. alpha 1 subtype
C. D2 subtype
D. 5-HT4 subtype
E. M3 subtype - ANS A. beta 2 subtype
A major mechanism for the termination of dopamine's postsynaptic effect is
A. Downregulation of DA postsynaptic receptors
B. Degradation of DA in postsynaptic nerve terminals
C. Decreased synthesis of DA
D. Blockage of postsynaptic beta adrenergic receptors
E. Reuptake of DA into presynaptic nerve terminals - ANS E. Reuptake of DA into
presynaptic nerve terminals
Which of the following best describes the cellular action of epinephrine?
A. Activation of adenylyl cyclase
B. Decrease activity of cAMP-dependent protein kinases
C. Increased intracellular stores of Ca2+
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