A Swishy Murmur Heard Between the Second and First Heart

question 261

Multiple Choice

A swishy murmur heard between the second and first heart sounds is indicative of a(n) ____________ valve.

• A)insufficient semilunar
• B)insufficient AV
• C)stenotic semilunar
• D)stenotic AV
• E)Either a or d correctly completes the sentence.

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Definitions:

Activation-Synthesis Hypothesis

The Activation-Synthesis Hypothesis is a theory that dreams are created by the brain synthesizing and making sense of internal biological signals during REM sleep.

REM Sleep

A stage of sleep characterized by rapid eye movement, increased brain activity, vivid dreaming, and temporary paralysis of muscle systems apart from the eyes and respiratory muscles.

Dopaminergic Hypothesis

A theory suggesting that the imbalance of dopamine levels in the brain is a significant factor in the development of certain psychiatric disorders, especially schizophrenia.

Freudian Cathartic Hypothesis

A theory suggesting that releasing and confronting pent-up emotions through talking about one’s problems can lead to psychological healing.