An Instructor Explains the Role of the Respiratory System in Maintaining

question 9

Multiple Choice

An instructor explains the role of the respiratory system in maintaining proper acid-base balance in the blood. A student demonstrates understanding by saying:

• A) "When body fluids become too acidic, the lungs remove excess hydrogen from the blood."
• B) "When the blood is too alkaline, the lungs excrete more sodium bicarbonate into the atmosphere."
• C) "The lungs work much slower than the kidneys, changing the pH balance over a period of days rather than hours."
• D) "The lungs remove excess carbon dioxide to decrease the acidity of the blood."

---

Definitions:

Creativity

The ability to produce original and unusual ideas, or to make something new or imaginative.

Plain-Text Version

A format of a document or email that contains only text without any formatting, images, or other media.

Computer File

A digital document that can contain data, text, images, or code, stored electronically on a computer or similar device.

Text File

A digital file that contains text data, usually readable by humans and computers and having a .txt extension.