A Plasma PH of 6

question 28

Multiple Choice

A plasma pH of 6.8 doesn't seem too far away from a normal pH of 7.4, but at pH 6.8 the H⁺ concentration is ____ times greater than at pH 7.4 and results in severe acidosis.

• A) 0.1
• B) 0.6
• C) 4
• D) 10
• E) 20

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Definitions:

Swayback

A postural deviation where there is an excessive inward curvature of the lower back, leading to a protruding abdomen and a slumped posture.

Neck Vein

A vein located in the neck that returns blood from the head to the heart.

Melena

Abnormal black, sticky stool containing digested blood that is indicative of gastrointestinal bleeding.

Black, Tarry Stools

Feces that have a dark, tar-like appearance, typically indicative of bleeding in the upper gastrointestinal tract.