Physiologic PH Is Maintained Around 7

question 34

Multiple Choice

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

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

---

Definitions:

Palate

The roof of the mouth.

Nasal Cavities

Hollow spaces within the nose that filter, warm, and humidify air breathed in, also playing a role in olfaction (sense of smell).

Gallbladder

A small, pear-shaped organ located beneath the liver, responsible for storing and concentrating bile, a digestion-aiding fluid.

Cholecystokinin

A hormone secreted by the small intestine that aids digestion by stimulating the gallbladder to release bile and the pancreas to secrete enzymes.