How Do Parasympathetic Neurons in the Medulla Respond to Increased

question 77

Multiple Choice

How do parasympathetic neurons in the medulla respond to increased blood pressure?

• A) Vasoconstriction is promoted.
• B) Sympathetic activity is inhibited.
• C) Heart rate is increased.
• D) Cardiac output is increased.

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Definitions:

Precordial Electrode

An electrode placed on the chest near the heart for the purpose of recording the heart's electrical activity.

Intercostal Space

The anatomical space between two ribs, which contains muscles, nerves, and blood vessels.

Middle of the Clavicle

The central point of the clavicle bone, which is located at the top of the chest, connecting the sternum to the shoulder.

ECG Tracing

The visual output of an electrocardiogram, which represents the electrical activity of the heart over a period of time.