Question description
Choose the ONE best answer.
Β A 75-year-old man who was a smoker is diagnosed with chronic
obstructive pulmonary disease and suffers from occasional bronchospasm. Which of
the following would be effective in treating him?
A. Ipratropium aerosol.
B. Scopolamine patches.
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C. Mecamylamine.
D. Oxygen.
Β Which of the following may precipitate an attack of open-angle glaucoma if
instilled into the eye?
A. Physostigmine.
B. Atropine.
C. Pilocarpine.
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D. Echothiophate
Β The prolonged apnea sometimes seen in patients who have undergone an operation
in which succinylcholine was employed as a muscle
relaxant has been shown to be due to:
A. Urinary atony.
B. Depressed levels of plasma cholinesterase.
C. A mutation in acetylcholinesterase.
D. A mutation in the nicotinic receptor at the neuromuscular
junction.
5.4 A 50-year-old male farm worker is brought to the emergency
room. He was found confused in the orchard and since then has lost
consciousness. His heart rate is 45, and his blood pressure is 80/40 mm Hg. He
is sweating and salivating profusely. Which of the following treatments is
indicated?
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A. Physostigmine.
B. Norepinephrine.
C. Trimethaphan.
D. Atropine.
E. Edrophonium.