Inhalation occurs when the:

A. diaphragm and intercostal muscles relax and cause an increase in intrathoracic pressure.
B. diaphragm and intercostal muscles ascend and cause an increase in intrathoracic pressure.
C. diaphragm and intercostal muscles contract and cause a decrease in intrathoracic pressure.
D. diaphragm ascends and the intercostal muscles contract, causing a decrease in intrathoracic pressure.


Answer: C. diaphragm and intercostal muscles contract and cause a decrease in intrathoracic pressure.

Health Professions

You might also like to view...

Explain how a somatic mutation in the PIGA gene leads to PNH

What will be an ideal response?

Health Professions

The symbol + used with a CPT code indicates:

A) revised code. B) new code. C) new or revised text. D) add-on code.

Health Professions

Electricity is dependent upon the free flow of which subatomic particles?

a. electrons b. neutrons c. protons d. quarks

Health Professions

The normal tidal volume, including dead space volume, in the average adult male is approximately:

A. 350 mL. B. 500 mL. C. 650 mL. D. 800 mL.

Health Professions