The cylindrical cone that indicates the direction of the central beam of radiation is also called the

CMID.
PID.
CID.
MID.

PID.

Rationale: The PID, also called the position indicating device, is the long, tubular device that is attached to the end of the tubehead where the primary beam is emitted.

Health Professions

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Which tissue covers the body and lines all of its cavities?

a. Nervous b. Connective c. Muscle d. Epithelial

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After taking a message regarding a patient's care, the assistant should:

A. Advise the physician B. Pull the patient's chart C. Advise the medical assistant D. Enter into the computer

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