What is penumbra?

What will be an ideal response?


The fuzzy, unsharp zone around objects on a radiograph. Penumbra cannot be eliminated, but it can be minimized by increasing the target-film distance; decreasing the object-film distance; and avoiding movement of the film, the patient, and the tube head.

Health Professions

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Which of the following is only performed by a pharmacist and not a pharmacy technician?

A) Medication labeling B) Maintaining patient profiles C) Monitoring drug regimens D) Packaging unit–dose medications

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Which of the following are usually repackaged into blister packs?

A) Capsules and tablets B) Liquid medications C) IV medications D) OTC medications

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You respond to an ill patient. You note that the patient appears jaundiced and has a white frosty dust on his skin. You suspect:

A) eczema. B) scabies. C) uremic frost. D) renal frost.

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The primary role of the ___ is to ensure proper installation and operation of fire protection systems

A) owner B) fire inspector C) architect D) contractor

Health Professions