Elevation of the rib cage during inhalation occurs when:

A. the diaphragm descends.
B. abdominal contents descend.
C. intrathoracic pressure decreases.
D. the intercostal muscles contract.


Answer: D. the intercostal muscles contract.

Health Professions

You might also like to view...

Physicians are required to register with the DEA in order to prescribe, dispense, or administer controlled substances. A special form, DEA 224, must be completed and submitted to the DEA. Renewal is required every ________ year(s), using Form 224a

a. one b. two c. three d. four

Health Professions

What is the goal of an effective communicator?

A) To reduce the occurrence of problems at each stage of the process by using clear, precise, well-planned communications B) To encourage patients and coworkers to resolve conflicts quickly and efficiently C) To overcome defense mechanisms and educate patients about their medications D) To tell a compelling story that will break down barriers between people of different cultures and backgrounds

Health Professions

The ________ glands are paired organs that lie on the medial side of the upper kidney

A. phrenic C. segmental B. adrenal D. muscular

Health Professions

In WC cases, the provider sends progress reports to the WC insurance agency and the employer after:

a. a month. b. each visit. c. a day. d. final treatment.

Health Professions