Which of the following pressure gradients is responsible for the actual flow of gas into and out of the lungs during breathing?

a. Transcanadian pressure gradient (Ppc – Pks)
b. Transpulmonary pressure gradient (Palv – Ppl)
c. Transrespiratory pressure gradient (Palv – Pao)
d. Transthoracic pressure gradient (Ppl – Pbs)


ANS: C
The transrespiratory pressure gradient causes gas to flow into and out of the alveoli during breathing.

Health Professions

You might also like to view...

You and your EMT partner arrive at the scene of a vehicle collision and find that the collision involved a large van and a school bus full of children. Your first action should be to:

A) begin triaging patients. B) declare an MCI and establish yourself as incident commander. C) call for an air ambulance. D) inform dispatch that you may need additional resources.

Health Professions

Solve the percents, rounding off to the closest hundredth if necessary. 6% of 55 =

Fill in the blank(s) with the appropriate word(s).

Health Professions

When you receive or place a phone call, the message should be logical and free from ambiguity. Which of the following does this demonstrate? 

A. cohesiveness B. clarity C. completeness D. conciseness

Health Professions

The essential nutrients made up of amino acids are ____

A) vitamins B) fats C) proteins D) carbohydrates

Health Professions