A Patient Is in the Emergency Room for a Severe

question 69

Multiple Choice

A patient is in the emergency room for a severe anxiety attack. Their doctor administers a dose of potassium to control their elevated heart rate. Why would potassium potentially be a treatment for the cardiovascular effects of an anxiety attack?

• A)Excess potassium ion concentration directly signals the sympathetic nervous system to cease signaling to increase heart rate
• B)Excess potassium ion concentration causes decreased rate and increased force of contraction.
• C)Excess potassium ion concentration causes decreased rate and decreased force of contraction.
• D)Excess potassium ion concentration signals the parasympathetic nervous system directly to lower heart rate

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Definitions:

Hertz

A unit of frequency equivalent to one cycle per second, used to measure the frequency of sound waves and electrical signals.

Decibels

A unit of measurement for sound intensity, symbolized as dB, representing the logarithmic comparison between two power levels.

Intensity

The magnitude or strength of a phenomenon or a quality, often used in contexts ranging from physics to emotional experiences.

Cochlea

A spiral-shaped, fluid-filled inner ear structure crucial for converting sound waves into electrical signals that can be interpreted by the brain as sound.