If a Person Has Lost a Significant Amount of Blood

question 63

Multiple Choice

If a person has lost a significant amount of blood but still maintains a normal blood pressure it does not necessarily mean that the person is maintaining adequate perfusion.Which of the following best explains why this is so?

• A) The heart has increased its rate to increase cardiac output.
• B) Blood vessels are constricting causing greater peripheral resistance.
• C) The heart has increased its contractile force increasing cardiac output.
• D) The sympathetic nervous system has increased its nervous impulses.

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Definitions:

Magnitude

The size, extent, or importance of something, often used in a quantitative context to measure variables.

Terrified

A state of intense fear that can be the result of real or perceived threats, causing significant distress.

Predisposition

An inborn or acquired vulnerability for developing certain symptoms or disorders.

Cortisol

A steroid hormone released in response to stress and low blood-glucose concentration, playing a significant role in the body's response to stress.