As Plasma PCO₂ Increases

question 34

Multiple Choice

As plasma PCO₂ increases,

• A) hemoglobin synthesis increases.
• B) ventilation increases.
• C) vital capacity increases.
• D) respirations cease.

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Definitions:

Biceps Brachii

A muscle of the upper arm that flexes the forearm and is involved in moving the shoulder and elbow.

Ventral Root

The part of a spinal nerve that emerges from the anterior portion of the spinal cord, containing motor fibers that transmit neural signals from the spinal cord to the body muscles.

Dorsal Root Ganglion

A cluster of nerve cell bodies (neurons) located in the dorsal root of spinal nerves, containing sensory neurons that transmit signals from the periphery to the spinal cord.

Spinal Nerve

A nerve that emerges from the spinal cord and is part of the peripheral nervous system, responsible for transmitting motor, sensory, and autonomic signals between the spinal cord and the body.