1.
How is the neurotransmitter acetylcholine inactivated at the parasympathetic terminal receptor site?
Answer
A.
The the enzyme catechol O-methtransferase (COMT) B.
By the reuptake process C.
By the enzyme cholinesterase D.
By the enzyme monoamine oxidase E.
By the enzyme nicotinase
1 points
Question 2
1.
You adminster an inhaled bronchodilator that is known to have adrenergic side effects on the heart. What clnical sign should you watch for in your patient?
Answer
A.
Tachypnea
B.
Bradypnea
C.
Tachycardia
D.
Bradycardia
1 points
Question 3
1.
On administering a dose of atropine to your patient, which of the following effects would you expect NOT to see?
Answer
A.
Dry mouth B.
Increased mucous production C.
Bronchial dilation D.
Increased heart rate
1 points
Question 4
1.
Your patient is accidently given a large dose of the parasympathomimetic drug pyridostigmine. WHat side effects of parasympathetic overstimulation do you expect to see?
Answer
A.
Decreased urination B.
Constipation
C.
Dry eye and eye irritation D.
Excessive secretion production
1 points
Question 5
1.
Your patient has bradycardia. What type of drug do you recommend?
Answer
A.
Sympatholytic
B.
Sympathomimetic
C.
Parasympathomimetic
D.
Both A and C
1 points
Question 6
1.
Epinephrine stimulates which of the following receptor sites? (multiple answers)
Answer
A.
Alpha
B.
Nicotinic
C.
Beta-1
D.
Beta-2
E.
Muscarinic
2 points
Question 7
1.
Stimulation of which receptor produces blood vessel constriction in the systemic circulation?
Answer
A.
Beta-1
B.
Beta-2
C.
Alpha
D.
Muscarinic
E.
Beta-3
1 points
Question 8
1.
Which of the following drugs are sympathomimetic agents?1. Salmeterol2. Dopamine3. Labetalol4. Propranolol
Answer
A.
1 and 2 B.