Which of the Following Statements About Chemoreceptors in the Human

question 17

Multiple Choice

Which of the following statements about chemoreceptors in the human body is true?

• A) The central chemoreceptors are located in the lungs and provide the primary stimulus to breathe.
• B) The peripheral chemoreceptors are extremely sensitive to oxygen and are located in the brain.
• C) The central chemoreceptors constantly monitor the oxygen levels in the body and increase the rate when more O₂ is needed.
• D) The peripheral chemoreceptors are more sensitive to oxygen than carbon dioxide.

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Definitions:

Greenstone

Metamorphosed basalt or other mafic volcanic rock, typically found in ancient geological formations.

Banded Gneiss

A metamorphic rock characterized by alternating light and dark mineral bands, formed under high-temperature and high-pressure conditions.

Anticline

A type of fold in the earth's surface where the strata have been bent upwards, creating an arch-like shape.

Syncline

A syncline is a fold in rock layers that slopes upward on both sides towards a central valley, usually indicating layers that were deposited in a basin.