NBME CBSE 2024 EXAM QUSTIONS WITH VERIFIED CORRECT SOLUTIONS
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Course
NBME CBSE
Institution
NBME CBSE
NBME CBSE 2024 EXAM QUSTIONS WITH VERIFIED CORRECT SOLUTIONS
what drug blunts the diuretic effect of *Loops* - ANSWER NSAID (inhibit prostaglandin)
ACEi and ARB beneficial in - ANSWER systolic heart failure
spironolactone - ANSWER K sparing
for ventricular remodeling in CHF and decre...
QRS prolonged but NOT QT prolong - ANSWER ✔ Class IC: flecainide;
Propafenone
Verapamil, Diltiazem - ANSWER ✔ Class IV antiarrhythmics
Block Ca L-type channel
= *slow phase 4 depolarization*
AE of Verapamil and diltiazem - ANSWER ✔ Edema
, Constipation
Bradycardia
What antiarrhythmic is a *negative chronotropic *and what implications
does that have - ANSWER ✔ *Verapamil/Diltiazem *
*BBlock*
(DO NOT GIVE TOGETHER = Bradycardia)
decrease max effect of NE
without affecting Km (affinity)
Where are B1 receptors OTHER THAN HEART - ANSWER ✔ JC
glomerulus
= B blockers also *inhibit renin*
Dobutamine - ANSWER ✔ *B agonist*
increase hr/contractility
via Gs-->*cAMP*
Isoproterenol - ANSWER ✔ *B agonist*
B1: increase CO and Pulse Pressure
B2: decrease PVR & diastolicBP
Esmolol, Atenolol - ANSWER ✔ *Selective B1 block *
= PROLONG PR interval
longterm use for LV-HF
only affects cardiac and renal (not bv)
What drugs prolong PR interval - ANSWER ✔ Esmolol
Atenolol
selective B1 block
Timolol - ANSWER ✔ non-selective BBlock
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