A Child Diagnosed with Congestive Heart Failure Is Started on Digoxin

question 4

Multiple Choice

A child diagnosed with congestive heart failure is started on digoxin (Lanoxin) and spironolactone (Aldactone) . The mother questions why the child was placed on spironolactone (Aldactone) instead of furosemide (Lasix) , which her elderly grandmother uses. The nurse explains that spironolactone (Aldactone) is a diuretic that:

• A)Produces rapid diuresis.
• B)Blocks reabsorption of sodium and water in renal tubules.
• C)Spares potassium.
• D)Promotes vascular relaxation.

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Definitions:

Parasympathetic Impulses

Nerve signals transmitted through the parasympathetic branch of the autonomic nervous system, generally working to conserve energy and restore the body to a state of calm.

Thoracic

Pertaining to the chest region, encompassing the area between the neck and abdomen and containing organs such as the heart and lungs.

Muscarinic Receptors

A type of acetylcholine receptor found on the surface of certain cells, playing important roles in the nervous system and other body systems.

Acetylcholine

A neurotransmitter that plays an essential role in muscle movement and various brain functions.