A Healthy 40-Year-Old Man Has Been Exercising Maximally for 15

question 1

Multiple Choice

A healthy 40-year-old man has been exercising maximally for 15 minutes. Which of the following conditions is likely to be present?

• A)Arteriolar resistance in the gastrointestinal bed is increased by 200%
• B)Cerebral blood flow is decreased to 50% of normal
• C)Heart rate is unchanged
• D)Cardiac output is increased 5%
• E)Right atrial pressure is increased to 10 mmHg

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Definitions:

Pressure

The pressure is the amount of force exerted at a right angle to the surface of an object, divided by the area across which the force is spread.

General Adaptation Syndrome

A three-phase response model describing the body's physiological changes to stress: alarm, resistance, and exhaustion.

Physiological Responses

Physical reactions of the body to internal or external stimuli, such as changes in heart rate or hormone levels.

Vulnerable

Exposed to the possibility of being attacked or harmed, either physically or emotionally.