PH Is

question 28

Multiple Choice

pH is

• A) equal to log 1/[H⁺]
• B) equal to pK + log [HCO₃^-]/[CO₂]
• C) low when acidosis is present
• D) both equal to log 1/[H⁺] and pK + log [HCO₃^-]/[CO₂]
• E) all of these

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Definitions:

Carbohydrates

Organic compounds composed of carbon, hydrogen, and oxygen, usually with a 2:1 hydrogen to oxygen ratio, providing energy to the body through metabolism.

Lactic Acid

An organic compound produced in muscles during intense activity, in fermentation processes, and as a by-product in certain metabolic pathways, contributing to muscle fatigue.

Krebs Cycle

A series of enzymatic reactions in the mitochondria of cells that oxidize acetyl CoA to carbon dioxide and water, generating ATP and other high-energy compounds.

Spiracles

Small openings on the surface of some animals, especially insects, which lead to the respiratory system, allowing for gas exchange.