In an otherwise healthy individual, the presence of a headache and feelings of sickness at high altitude is known as:
a. a high-altitude migraine.
b. acute mountain encephalitis.
c. acute mountain sickness.
d. high-altitude pulmonary edema.
Answer: c
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The normal response of the pupils while examined with a penlight is described as:
A) dilative. B) diploplia. C) dysconjugate. D) consensual.
The most commonly occurring malignancy in the oral cavity is:
a. Basal cell carcinoma b. Kaposi's sarcoma c. Adenocarcinoma d. Metastatic cancer e. None of the above
A lateral lumbar projection demonstrates closed L4-5 and L5-S1 intervertebral disk spaces. How should the positioning setup be adjusted for an optimal projection to be obtained?
1. Angle the central ray until it parallels the interiliac line. 2. Rotate the patient into a true lateral position. 3. Align the central ray perpendicular to the L5-S1 vertebral column area. 4. Align the vertebral column parallel with the imaging table. a. 1 and 4 only b. 2 only c. 3 and 4 only d. 1, 3, and 4 only
Tomographic system uniformity and completeness of motion are tested with a
a. pinhole camera. b. wire mesh. c. lead mask with a pinhole. d. all of the above