If a Person Has Lost a Significant Amount of Blood

question 33

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

Recognize the importance of the sodium-potassium pump in returning a neuron to its resting state.

Understand the basic structure and function of neurons and how they communicate.

Identify and describe the roles of key neurotransmitters in brain function and behavior.

Comprehend the importance of myelin sheath in neuron function.

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Definitions:

Expected Profit Rate

The forecasted return on investment, considering the potential profits and the likelihood of achieving them.

Loyal

The quality of being faithful or devoted to a person, country, group, or cause.

Stockholders

Individuals or entities that own shares of stock in a corporation, making them partial owners of the company.

Marginal Efficiency

The rate of return on an investment that is additional or marginal to the current level of investment.