A 50-Year-Old Man with a Resting Cardiac Output of 5

question 8

Multiple Choice

A 50-year-old man with a resting cardiac output of 5 L/min exercises maximally, increasing cardiac output to 10 L/min. What is the cardiac reserve?

• A)10%
• B)20%
• C)50%
• D)100%
• E)200%

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Definitions:

Neurons

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Sensory Neurons

Neurons responsible for converting external stimuli from the organism's environment into internal electrical impulses.

Receptor Cells

Specialized cells found in the sense organs (e.g., eyes, ears) that respond to specific stimuli like light, sound, or chemicals and convert them into neural signals.

Neurons

Specialized neurons in the nervous system that convey information to other neurons, muscles, or glands.