At what point in prenatal development do the lungs begin to produce surfactant?

a. 17 weeks
b. 20 weeks
c. 25 weeks
d. 30 weeks


ANS: C
During week 25, the alveoli begin to produce surfactant, which enables the alveoli to stay open for adequate lung oxygenation to occur.

Nursing

You might also like to view...

The highest amount of vitamin E is found in what food sources?

1. Meat 2. Milk and cheese 3. Wheat germ 4. Fish

Nursing

Which examples represent proprietary applications suitable for real-time in-class student responses? (Select all that apply.)

a. iClickr b. TurningPoint c. TurnOff d. ClickMe

Nursing

A child with asthma is having pulmonary function tests. What rationale explains the purpose of the peak expiratory flow rate?

a. To assess severity of asthma b. To determine cause of asthma c. To identify "triggers" of asthma d. To confirm diagnosis of asthma

Nursing

A group of strategies used to increase the level of health of individuals, families, groups, and communities is known as

a. wellness. b. health promotion. c. tertiary prevention. d. nutritional assessment.

Nursing