A Physician Has a Patient with an Abnormal Heart Sound

question 47

Multiple Choice

A physician has a patient with an abnormal heart sound. After running some tests, the doctor decides that the patient has a heart murmur, but the condition is not severe enough to warrant open-heart surgery. Which of the following would lead the doctor to make this determination?

• A) The amount of blood flowing backward in the heart is not enough to strain the heart as it works harder to catch up.
• B) The heart sounds are due to air moving through the system and cannot be removed via surgical techniques.
• C) The amount of blood lost is easily replaced with a transfusion of extra blood.
• D) A heart murmur is actually caused by a harmless lung irregularity.

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Definitions:

P300 Amplitudes

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Brain Wave Activity

Electrical impulses in the brain that are measured by EEG and indicate the brain's functional states.

Non-Problem Drinkers

Individuals who consume alcohol but do not experience adverse consequences or dependency.

Classical Conditioning

A type of learning described by the Russian physiologist Ivan Pavlov (1849–1936). In classical conditioning, a response is transferred from one stimulus to another. John B. Watson, an early behaviorist, took the view that classical conditioning was the basis for human behavior, including abnormal behavior. See also operant conditioning.