Match the Change in Gas Composition with the Response (Disregard

question 9

Multiple Choice

Match the change in gas composition with the response (disregard weak responses) .
-Bronchioles and systemic arterioles dilate.

• A)PO₂ increases.
• B)PCO₂ increases.
• C)PO₂ decreases.
• D)PCO₂ decreases.

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Definitions:

Cytoplasm

The gel-like substance inside the cell membrane excluding the nucleus, containing organelles and is the site of most cellular activities.

Chromosomes

Structures within cells that consist of DNA and protein and contain the genes.

Metaphase

A stage of cell division in which chromosomes align in the middle of the cell before being separated into each of the two daughter cells.

Mitochondrion

An organelle found in large numbers in most cells, involved in energy production.