Physiologic PH Is Maintained Around 7

question 53

Multiple Choice

Physiologic pH is maintained around 7.4 because bicarbonate (HCO₃) and carbonic acid (H₂CO₃) exist in a ratio of:

• A) 20:1.
• B) 1:20.
• C) 10:2.
• D) 10:5.

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Definitions:

Objective

Pertaining to data that are readily apparent and measurable, such as vital signs, test results, or physical examination findings.

Specimen Slide

A thin slice of material, such as tissue, placed on a glass slide for examination under a microscope.

Stage

A specific phase or period in a process or the progression of an event or disease.

Oil-immersion Objective

A microscope lens designed to be used with a drop of oil to increase magnification and resolution of microscopic images.