Which of the following is characteristic of nuclear medicine?
A. The patient generally has to be NPO for 24 hours prior to the procedure.
B. It involves a combination of nonionizing radiation and a magnetic field, and provides images based on the water content of tissues.
C. The procedure takes about 15 minutes.
D. The technician uses a scanner to detect radiation from the radioisotope and converts it into an image.
E. The patient is exposed to high doses of radiation.
Answer: D
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Which of the following mechanisms is responsible for hypoxemia in the patient with a pulmonary embolism?
A) Pulmonary shunting B) Pulsus paradoxus C) Lower airway obstruction D) Atelectasis
Stretchy epithelial tissue is called transitional
Indicate whether the statement is true or false
A freestanding ambulatory care facility generates which of the following at the conclusion of a patient's visit?
A) UB-04 B) ?incident report C) chargemaster D) ?encounter form
Five minutes after administering a patient's epinephrine auto-injector to him, you reassess him and note that his symptoms have not improved. You should:
A. administer a second dose of epinephrine, if the patient has another auto-injector. B. assist the patient's ventilations, and begin transport to the hospital without delay. C. elevate the patient's lower extremities 12 inches, and reassess him in 5 minutes. D. conclude that the patient's epinephrine was probably expired and ineffective.