When the diaphragm relaxes, the air pressure inside the thoracic cavity:
A. decreases.
B. increases.
C. decreases and then increases.
D. remains the same.
Answer: B
Health Professions
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A device consisting of increasing increments of an absorbing material is called a "reference film."
Indicate whether the statement is true or false
Health Professions
A HIM professional has a pivotal role in data security and includes which of the following?
A. Registration B. Coding and billing C. Developing of standardized processes D. Insurance verification
Health Professions
As the iris contracts and relaxes, an opening at its center, the ____, grows larger or smaller.
A. pupil B. cornea C. lens D. retina
Health Professions
The liquid portion of the blood in which the blood cells are suspended is called ____________________.
Fill in the blank(s) with the appropriate word(s).
Health Professions