PHC7010Exam2LatestExamUpdate2024-
2025.
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. Norepineph...
PHC 7010 Exam 2 Latest Exam Update 2024-
2025.
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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer 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 - Correct Answer B. Hyperglycemia
Norepinephrine is metabolized by which of the following enzymes?
A. COMT
B. MAO
C. Both
D. Neither - Correct Answer 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 - Correct Answer 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
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