Which scale of contrast is described as having fewer shades of gray, displaying more black and white?

long scale
mid scale
low scale
high scale


high scale

Rationale: High scale or short contrast is a scale of contrast with greater differences between the shades, making the contrast scale more black and white.

Health Professions

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What is the primary function of leukocytes?

A. protection against invading microorganisms B.  transport of nutrients C. body temperature regulation D. clot formation

Health Professions

Which of the following is the method for the insertion of a nasopharyngeal airway?

a. Upside-down and then turned b. Parallel to the nasal pharynx floor c. Parallel to the long axis of the nose d. Perpendicular to the floor of the nasal pharynx

Health Professions

The control console is located behind a protective barrier or shield where the radiographer stands during the x-ray exposure

Indicate whether the statement is true or false

Health Professions

The "Patient Safety Systems" (PS) chapter does not

A. explain how hospitals can evaluate the status and progress of their patient safety systems B. discuss how hospitals can develop into learning organizations C. contain any new standards or requirements

Health Professions