B-Adrenergic Agonists and Methylxanthines Are Often Prescribed for a Child

question 29

Multiple Choice

b-Adrenergic agonists and methylxanthines are often prescribed for a child with an asthma attack.What is their action?

• A)Liquefy secretions
• B)Dilate the bronchioles
• C)Reduce inflammation of the lungs
• D)Reduce infection

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Definitions:

Action Potentials

Electrical impulses that allow neurons to transmit information to other neurons, muscles, or glands.

Plasma Membrane

The biological membrane separating the interior of a cell from its external environment, composed of a phospholipid bilayer.

Muscular Dystrophy

A group of genetic diseases characterized by progressive weakness and degeneration of the skeletal muscles that control movement.

Muscle Fibers

The elongated cells found in muscle tissue that contract to produce movement, part of the larger muscle structure.