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Question 1 of 25
4% Complete
What is the mechanism of action of sildenafil (Viagra)?
Direct release of nitric oxide from nitrate groups
Blockade of calcium channels in cardiac muscle
Inhibition of angiotensin-converting enzyme
Inhibition of phosphodiesterase type 5, increasing cGMP and smooth muscle relaxation
Stimulation of alpha-1 adrenergic receptors
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Dental Licensing Exam MCQ Test Paper 40 | INBDE, ADC & ORE MCQs with Answers | Quiz | MCDI