Can you answer it ? - mrig898

[ArchivalUser]

A 27 year old boy has High blood pressure, Rapid forceful heartbeat, Profound sweating,Severe headache
Tremors, Paleness in the face, Shortness of breath. His urine was positive for vanillylmandelic acid. What is the drug of choice?

a. Phentolamine
b. Pehnoxybenzmine
c. Tamusolin
d. Yohimbine

[ArchivalUser]

a. Phentolamine

[ArchivalUser]

B. Phenoxybenzamine(alpha blocker)

[ArchivalUser]

B. Phenoxybenzamine (irreversible).

Phentolamine is reversible @step1_prep

[ArchivalUser]

a and b are non selective alpha blocker, where as c and d are selective alpha blockers, can you reason it as well?

[ArchivalUser]

B is the right answer, non competitive inhibitor