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:

Distributaries

Branches of a river that flow away from its main course, typically seen in delta regions where the river splits into several smaller channels near its mouth.

Alluvial Fans

Cone-shaped deposits of sediment crossed and built up by streams, typically found at the base of mountain ranges where a river exits a steep valley.

Upper Mississippi

Refers to the portion of the Mississippi River that flows from its headwaters to the confluence with the Missouri River.

Hard Rocks

Earth materials, such as granite and basalt, that are solid, tough, and resistant to weathering and erosion.