šŸ”
Organic nitrates have predominantly venodilator
action because:
A. They are selectively concentrated in veins
B. Veins express larger quantities of enzymes
that generate nitric oxide from nitrates
C. Venous smooth muscle has greater capacity
to relax
D. All of the above are correct
0 like 0 dislike

1 Answer

B. Veins express larger quantities of enzymes
that generate nitric oxide from nitrates
0 like 0 dislike

Related questions

Organic nitrates relax vascular smooth muscle by: A. Increasing intracellular cyclic GMP B. Increasing intracellular cyclic AMP C. Decreasing intracellular cyclic AMP D. Both ā€˜Aā€™ and ā€˜Cā€™ are correct
Answer : A. Increasing intracellular cyclic GMP...

View solution
0 like 0 dislike
1 answer

Tolerance does not develop to the vasodilator action of sodium nitroprusside while it develops to glyceryl trinitrate because: A. Intact sod. nitroprusside molecule acts like nitric oxide B. Enzymes which ... a long duration of action D. Sod. nitroprusside has additional K+ channel opening action
Answer : B. Enzymes which generate nitric oxide from nitroprusside are different...

View solution
0 like 0 dislike
1 answer

Low molecular weight heparins differ from unfractionated heparin in that: A. They selectively inhibit factor Xa B. They do not significantly prolong clotting time C. They are metabolized slowly and have longer duration of action D. All of the above are correct
Answer : D. All of the above are correct...

View solution
0 like 0 dislike
1 answer

The opioid antidiarrhoeal drugs act by the following mechanism(s): A. They relax the intestinal smooth muscle B. They inhibit intestinal peristalsis C. They promote clearance of intestinal pathogens Aim4aiims.in D. All of the above
Answer : B. They inhibit intestinal peristalsis...

View solution
0 like 0 dislike
1 answer

Which of the following is not the reason for greater susceptibility of smaller sensory fibres to blockade by local anaesthetics than larger motor fibres: A. Sensory fibres are inherently ... higher frequency longer lasting action potential D. Smaller fibres have shorter critical lengths for blockade
Answer : A. Sensory fibres are inherently more sensitive than motor fibres...

View solution
0 like 0 dislike
1 answer

50.5k questions

47.1k answers

240 comments

7.0k users