Which of the Following Structures Is Poorly Innervated by the Parasympathetic

question 32

Multiple Choice

Which of the following structures is poorly innervated by the parasympathetic nervous system and, therefore, an increase in parasympathetic activity has little effect on this structure?

• A) atrioventricular node
• B) sinoatrial node
• C) ventricles
• D) conduction pathway
• E) Purkinje fibers

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Definitions:

Intracellular

Intracellular refers to something existing or occurring within a cell or cells, highlighting processes or components located inside the cell membrane.

Extracellular

Located or occurring outside the cells of an organism.

Nasogastric Tube

A tube that is inserted through the nose into the stomach for feeding or medication administration.

Arterial Blood Gas

A test measuring the amounts of oxygen and carbon dioxide in the blood from an artery, used to assess lung function and blood gas exchange.