is a directly acting vasodilator, but is not used alone as an antihypertensive because:
A) By itself, it is a low efficacy antihypertensive
B) Effective doses cause marked postural hypotension
C) Tolerance to the antihypertensive action develops early due to counterregulatory mechanisms
D) It primarily reduces systolic blood pressure with little effect on diastolic blood pressure
Correct Answer:
Verified
Q1: Methyldopa lowers BP by:
A)Inhibiting dopa decarboxylase in
Q2: Methyldopa differs from clonidine in the following
Q3: Used alone the following antihypertensive drug tends
Q5: Long-term hydralazine therapy is likely to cause:
A)Gynaecomastia
B)Thrombocytopenia
C)Haemolytic
Q6: The following vasodilator(s) act(s) by opening K+
Q7: Angiotensin converting enzyme inhibitors are contraindicated in:
A)High
Q8: Secretion of K+ in the late distal
Q9: Metformin belongs to which class?
A)Sulphonylureas
B)Meglitinide analogues
C)Biguanides
D)Thiazolidinediones
Q10: Diuretics acting on the ascending limb of
Q11: Furosemide acts by inhibiting the following in
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