Brad Suffers from Anxiety Attacks During Which He Hyperventilates and Occasionally

question 33

Multiple Choice

Brad suffers from anxiety attacks during which he hyperventilates and occasionally passes out. Why would he faint?

• A) Elevated blood P _CO2 causes vasodilation of cerebral arterioles, leading to enhanced blood supply to areas of the brain.
• B) Decreased blood P _CO2 causes vasoconstriction of cerebral arterioles, leading to reduced blood supply to areas of the brain.
• C) Increased P _O2 of blood causes vasoconstriction of cerebral arterioles, leading to reduced blood supply to areas of the brain.
• D) Decreased P _O2 of blood causes vasodilation of cerebral arterioles, leading to enhanced blood supply to areas of the brain.

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Definitions:

Testosterone

A type of steroid hormone essential for the growth of male genital organs and for the enhancement of secondary male features, including muscle and bone density increases, and body hair development.

Alcohol Consumption

The ingestion of alcoholic beverages, which can range from moderate drinking to excessive or binge drinking behaviors.

Minor Frustrations

Minor frustrations are small, daily challenges or irritations that can cause annoyance or stress.

Violent Outbursts

Sudden expressions of intense, often uncontrollable anger or violence, which may pose a threat to oneself or others.