Which Mechanism Is Responsible for the Therapeutic Effect of Sildenafil

question 2

Multiple Choice

Which mechanism is responsible for the therapeutic effect of sildenafil?

• A) inhibition of acetylcholine degradation
• B) activation of muscarinic acetylcholine receptors
• C) inhibition of cyclic GMP degradation
• D) stimulation of nitric oxide synthesis
• E) stimulation of potassium efflux

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Definitions:

Chordae Tendineae

Heartstrings; fibrous cords that connect the papillary muscles to the tricuspid and mitral valves in the heart, preventing valve inversion.

Mitral Valves

Valvular structures located between the left atrium and left ventricle of the heart, facilitating unidirectional blood flow.

Held In Place

A state of being securely fixed in a specific position or location, preventing movement or loss.

Heart Murmur

A heart murmur is a sound heard during a heartbeat that can be a normal variant or indicative of an underlying heart condition.