Phenylephrine (NEOSYNEPHRINE)is an alpha-1 agonist. This drug would be used to treat
A. hypertension.
B. Myasthenia Gravis.
C. nasal congestion.
D. heart failure.
Drugs such as an alpha-1 agonist,that mimic the sympathetic nervous system would cause
A. pupil dilation.
B. decreased heart rate.
C. consriction of airways.
D. diarrhea.
The adverse effects of beta blockers include
A. increased heart rate.
B. hypertension
C. bronchoconstriction.
D. urinary urgency.
Which of the following drug classes would be the BEST choice of drugs to treat acute bronchospasm in asthma?
A. alpha-1 agonists
B. alpha-2 agonists
C. beta-1 agonists
D. beta-2 agonists
Scopolamine may be used to treat motion sickness. Side effects of dry mouth, blurred vision and constipation result from
A. Inhibition of nicotinic receptors.
B. Stimulation of alpha receptors.
C. Inhibition of muscarinic receptors
D. Inhibition of dopamine recpetors
The drug of first choice for treating mild heart failure is:
A. lisinopril
B. digoxin
C. dopamine
D. nifedipine
The most widely prescribed class of diuretics are the:
A. acetycholinesterase inhibitors
B. thiazides
C. potassium sparing drugs
D. loop of Henle blockers
A nurse should hold (not administer) Lasix if:
A. the urine output is low
B. the potassium level is high
C. the patient has heart failure
D. the blood pressure is low
The drug lantanoprost belongs to which class?
A. prostaglandins
B. miotics
C. sympathomimeic
D. diuretic
A drug with good evidence of its ability to prolong life in patients with heart failure is:
A. furosemide
B. atenolol
C. digoxin
D. phenylephrine
A parasympathomimetic drug such as physostigmine (ANTILERIUM) is used to
A. decrease saliva production.
B. decrease motion sickness.
C. treat urinary retention.
D. counteract adverse effects of polocarpine.
Drug Y is an adrenergic receptor blocker. This means it
A. blocks acetylcholine receptors.
B. blocks nicotinic receptors.
C. simulates dopamine receptors.
D. blocks norepinephrine receptors.
The drug of choice for treating mild heart failure is:
A. A beta-1 adrenergic like dobutamine
B. An angiotensin converting enzyme inhibitor like lisinopril
C. A calcium channel blocker like nifedipine
D. A cardiac glycoside like digoxin
The most effective class of diuretics are those that:
A. spare potassium
B. affect the loop of Henle
C. exchange sodium (Na) for potassium (K) in the distal tubule
D. relax the urinary spincter in the outlet of the bladder
A nurse should hold (not administer) Lasix if:
A. the patient has fluid in the lungs from heart failure
B. the blood pressure is high
C. the urine is concentrated
D. the potassium level is low
Which is the only diuretic shown to prolong life in patients with heart failure?
A. bethanechol
B. hydralazine
C. spironalactone
D. lisinopril
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