How Are Verapamil and Diltiazem Different from Other Calcium Channel

question 14

Multiple Choice

How are verapamil and diltiazem different from other calcium channel blockers?

• A) Verapamil and diltiazem block the influx of calcium ions into vascular smooth muscle.
• B) Verapamil and diltiazem block the influx of calcium ions in cardiac muscle.
• C) Verapamil and diltiazem are chemically classified as dihydropyridines.
• D) Verapamil and diltiazem have very little direct actions on the heart.

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Definitions:

Sleep Apnea

A sleep disorder in which breathing repeatedly stops and starts, resulting in poor sleep quality and increased health risks.

Narcolepsy

A sleep disorder characterized by excessive daytime sleepiness and sudden attacks of sleep.

Insomnia

A sleep disorder characterized by difficulty in falling asleep, staying asleep, or obtaining restorative sleep.

Night Terrors

A sleep disorder causing feelings of panic or dread typically occurring in the early night and often accompanied by screaming, flailing, and intense fear, without the individual fully waking.