Quiz 6 Flashcards
Which of the following is a characteristic of Alpha-1 adrenergic receptor activation?
a) Inhibitory peripheral responses
b) Increases sympathetic tone
c) Decreases blood pressure
d) Causes bronchodilation
b
Which of the following is TRUE regarding Beta-2 adrenergic receptor activation/agonism?
a) Enhances myocardial contractility
b) Yields excitatory responses
c) Triggers bronchodilation
d) Increases chronotropy and inotropy of heart
c
Which potent alpha agonist can be used both as a nasal decongestant and for short term management of hypotension?
a) Epinephrine
b) Phenylephrine
c) Dobutamine
d) Dopamine
b
Beta-1 receptor agonism leads to all of the following EXCEPT:
a) Increased heart rate
b) Bronchodilation
c) Positive inotropy
d) Increased conduction (dromotropy)
b
During a dental procedure, which drugs should you avoid in a patient who has a history of asthma?
a) Aspirin
b) Opiates
c) Antihistamines
d) All of the above
d
