Which radiation source does not contribute to the technologist dose?
leakage radiation
scatter radiation
remnant beam
primary beam
remnant beam
Rationale: Leakage radiation from the tube housing and scatter radiation contribute to technologist exposure. Primary beam exits the tube housing and enters the patient. Remnant beam is the radiation beam that exits the patient and interacts with the image receptor.
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____ is an open source product which provides software encryption.
A. GNU Privacy Guard (GPG) B. Pretty Good Privacy (PGP) C. BitLocker D. Encrypting File System (EFS)
Types of negative pressure ventilators used in postacute care include which of the following? 1. Iron lung (tank ventilator) 2. Chest cuirass (shell ventilator) 3. Body wrap or pneumosuit 4. Abdominal displacement device
a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only
Where is the lateral wall of the left ventricle located?
A) On the front side of the heart B) On the back side of the heart C) On the left side of the heart D) On the bottom side of the heart
Whenever a service is required by a third-party payer, court or other authority, which modifier alerts the payer?
A) increased procedural services B) mandated services C) reduced services D) multiple modifiers