Which of These Statements Does NOT Correctly Describe Pulmonary Surfactant

question 175

Multiple Choice

Which of these statements does NOT correctly describe pulmonary surfactant?

• A)It is secreted by Type II alveolar cells.
• B)It is deficient in newborn respiratory distress syndrome.
• C) It promotes elastic recoil of the lungs.
• D) The cohesive force between a water molecule and an adjacent pulmonary surfactant molecule is much lower than the cohesive force between two adjacent water molecules.

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Definitions:

α-D-Glucopyranose

An isomer of glucose that has the pyranose (six-membered ring) form with the hydroxyl group on the first carbon in the alpha configuration.

Sucrose

A disaccharide composed of glucose and fructose, commonly known as table sugar.

Methyl β-D-Glucopyranoside

A chemical compound derived from glucose where a methyl group replaces the hydroxyl group at the anomeric carbon.

Aldaric Acid

A type of sugar acid derived from aldoses by oxidation of both the aldehyde group and the primary alcohol group to carboxylic acids.