Buy Antiadrenergic Drugs Discussion Assignment

Buy Antiadrenergic Drugs Discussion Assignment
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Buy Antiadrenergic Drugs Discussion Assignment
Directions for questions 1−5
Match each antiadrenergic drug w ith the appropriate description
(each lettered option can be selected once, m ore than once, or not
at all).
A. Atenolol
B. Esm olol
C. Metyrosine
D. Phenoxybenzam ine
E. Pindolol
F. Propranolol
G. Sotalol
H. Tam sulosin
I. Tim olol
Di culty level: Easy
1. This drug is a partial agonist at β1 and β2 receptors.
Di culty level: Easy
2. This drug is a selective β1 antagonist frequently used for the
chronic treatm ent of atrial brillation.
Di culty level: Easy
3. This drug is a β-blocker that can also block potassium
channels.
Di culty level: Easy
4. This drug is frequently used in the treatm ent of prostatic
hyperplasia.
Di culty level: Easy
5. This drug is som etim es given in cardiovascular em ergencies
by intravenous infusion because of its extrem ely short halflife.
Di culty level: Hard
6. A 25-year-old m an com plained to his physician of painful
erection and im paired ejaculation during intercourse. Three
weeks earlier, he had been diagnosed w ith Raynaud disease
and had started an appropriate therapy. A drug w ith w hich
of the follow ing m echanism s of actions m ost likely caused the
patient’s sym ptom s?
A. β2-receptor blockade
B. M3-receptor activation
C. β1-receptor blockade
D. α2-receptor activation
E. α1-receptor blockade
F. Nm -receptor activation
Di culty level: Medium
7. Phenoxybenzam ine was given to rats during a lab experim ent. Which of the follow ing sets of e ects m ost likely occurred after treatm ent?
Firing Rates
of Carotid
Baroreceptors
Cardiac
Contractility
Cardiac
Rate
A ↓ ↑↑
B ↑ ↑↓
C ↑ ↓↑
D ↓ ↑↓
E ↓ ↓↓
Di culty level: Medium
8. A 51-year-old m an, recently diagnosed w ith pheochrom ocytom a, was scheduled for surgery to rem ove the tum or.
One week before surgery, phenoxybenzam ine was prescribed.
Which of the follow ing actions m ost likely m ediated the
therapeutic e ect of the drug in the patient’s disease?
A. Decreased peripheral vascular resistance
B. Increased cardiac output
C. Decreased epinephrine release from the adrenal m edulla
D. Increased heart rate
E. Decreased ring from the vasom otor center
Di culty level: Medium
9. A 58-year-old m an com plained to his physician of weakness,
drowsiness, dizziness, and palpitations. He was recently diagnosed w ith bladder obstruction due to benign prostatic
hyperplasia and had been taking a drug for 2 weeks. Which
of the follow ing drugs m ost likely caused the patient’s
sym ptom s?
A. Bethanechol
B. Tam sulosin
C. Propranolol
D. Flutam ide
E. Albuterol
F. Phenylephrine
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