Drugs

Question 1

What is the mechanism for phentolamine

Answer 1

Alpha adrenoreceptor antagonist

Question 2

Prazosin

Answer 2

Alpha adrenoreceptor antagonist (alpha 1 only)

Question 3

Captopril

Answer 3

An ACE inhibitor which reduces angiotensin 2 induced vasoconstriction

Question 4

Losartan

Answer 4

AT1 receptor antagonist blocking angiotensin 2 without effecting bradykinin

Question 5

Nifedipine

Answer 5

Calcium channel blocker, inhibits voltage gated calcium channels

Question 6

Bendroflumethiazide and furosemide

Answer 6

Diuretics which act on the kidney to promote the production of urine

Question 7

Propranolol and atenolol

Answer 7

Propranolol is a beta 1 and 2 adrenoceptor antagonist (atenolol is beta 1 only) these reduce heart rate and stroke volume