Calcium Channel Blockers

question 115

Multiple Choice

Calcium channel blockers

• A) decrease myocardial oxygen demand by inhibiting the flow of calcium to the heart.
• B) promote the excretion of sodium and water as urine.
• C) lessen the pain of angina pectoris.
• D) lower bad cholesterol or raise good cholesterol levels.

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Definitions:

Sodium Stearate

A sodium salt of stearic acid, often used as a surfactant in soaps and as a thickening agent.

Calcium Ions

Positively charged calcium atoms (\(Ca^{2+}\)) that play crucial roles in biological processes, including muscle contraction, neurotransmitter release, and bone formation.

Lipid Bilayer

A fundamental structure in cell membranes composed of two layers of lipid molecules, crucial for cellular integrity and function.

Hydrophobic

Describing molecules or parts of molecules that repel water, often nonpolar substances that do not mix well with water.