How many alveoli are there in an average adult lun

ATI RN

ATI RN Test Bank

How many alveoli are there in an average adult lung?

A. 100,000 B. 1 million C. 300,000,000 D. 50,000

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Which reflex is caused by local alveolar decreases in oxygen content?

A. cough B. laugh C. hiccup D. yawn

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

What is the normal PCO₂ of the capillary blood?

A. 0.05 mm Hg B. 45 mm Hg C. 40 mm Hg D. 104 mmHg

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

What is the main function of the respiratory system?

A. to break down food B. supply the blood with oxygen C. circulate the blood through your body D. remove waste from the body

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

What respiratory organs do terrestrial forms use for gas exchange?

A. Gills B. Tracheal tubes C. Lungs D. Moist skin

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

$89/ 30 days

$150/ 90 days