Which of the Following Statements About a Premature Atrial Contraction

question 16

Multiple Choice

Which of the following statements about a premature atrial contraction is true?

• A)The radial artery pulse associated with the premature contraction will be stronger than normal
• B)Stroke volume associated with the premature contraction will be increased
• C)The P wave is never seen
• D)The probability of these premature contractions occurring is increased in people with a large caffeine intake
• E)It causes the QRS interval to be lengthened

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Definitions:

Signal-Detection Theory

A theory that explains how differently people respond to stimuli under different conditions, focusing on decision-making amidst uncertainty.

Sensory Stimuli

Refers to any external or internal event or factor that can be perceived by the senses and elicit a response.

Nerve Endings

The terminal parts of nerve cells that make synaptic connections with other nerve cells, muscles, or glands.

Nervous System

An extensive network of specialized cells that communicate information about an organism's environment and its own body in order to regulate its functions.