A. Direct action on smooth muscle
B. Slows SA node conductivity
C. Blocks arrhythmia
D. Increases perfusion to heart
Related Mcqs:
- Which of the following statements regarding nitroglycerin is true ?
A. The effect is more pronounced in venous
B. High membrane penetrability
C. Poorly suited for oral administration
D. All of the above - The viral action is differentiated from bacterial action by_________________?
A. Interferon production
B. Toxin production
C. Lymphocytes production
D. Neutrophils production - Mechanism of action of quinolones is______________?
A. Inhibits DNA gyrase
B. Inhibits Bacterial protein synthesis
C. Inhibits bacterial cell wall synthesis
D. Inhibits intake of folic acid - Side of action of muscle selanant is______________?
A. Myoneural junction
B. Central
C. Ascending reticular
D. Red nucleus activating system - Site of ADH action is______________?
A. Proximal tubule
B. Loop of Henle
C. Vasa recta
D. Collecting tubule - The action of styloglossus muscle is______________?
A. Protrusion of tongue
B. Posteriorly retracts the tongue
C. Depression of tongue
D. Elevation of tongue - Mechanism of action of nifidipine is_____________?
A. It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure
B. Nifidipine depresses the SA node thus decreasing mycocoardial excitability
C. Mainly depression of A-V conduction
D. Decreased cardiac output thus decreasing load on myocardium - The mechanism of action of sodium nitroprusside is_____________?
A. Increases cAMP
B. Direct Vasodilator
C. Calcium channel blocker
D. Block the sympathetic flow at hypothalamus - Mode of action of sulphonyl ureas includes all the following except______________?
A. Activating receptors on beta cells of pancreas to release insulin
B. Inhibiting gluconeogenesis in liver
C. Enhancing insulin mediated post receptor enzyme reaction
D. Decreasing Glucose absorption from the qut - Action of tannic acid is_______________?
A. Blood coagulant
B. Astrigent
C. Styptic
D. All of the following
