Which Are Contraindications for Taking Sildenafil [Viagra]

question 9

Multiple Choice

Which are contraindications for taking sildenafil [Viagra]?

• A) Patients who are taking nitroglycerin for angina pectoris
• B) Patients with nonarteritic ischemic optic neuropathy (NAION) in one eye
• C) Patients with BPH who are taking alpha₁-adrenergic antagonists
• D) Patients with a blood pressure of 100/60 mm Hg
• E) Patients with a history of myocardial infarction (MI) in the past 6 months

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Definitions:

Sister Groups

Groups of organisms that share an immediate common ancestor, and therefore are each other's closest relatives.

Phenotype

An individual’s observable traits.

Directional Selection

A mode of natural selection where individuals with traits on one end of the spectrum are more likely to survive and reproduce, causing a shift in the population's genetic makeup.

Tree-Dwelling Frog

Amphibians that spend a significant portion of their lives in trees, exhibiting adaptations such as suction cup-like toe pads to aid in climbing.