A patient with a history of breast cancer in metastasis to the bones complains of thigh pain. There is point tenderness over the mid shift of the femur. What should the paramedic suspect?
A. Compound fracture
B. Comminuted fracture
C. Greenstick fracture
D. Pathologic fracture
Answer: D. Pathologic fracture
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Disto-oblique periapical radiographs are indicated for each of the following EXCEPT one. Which one is the EXCEPTION?
a. Suspected pathology located in the tuberosity area b. Imaging impacted third molars c. A patient who cannot tolerate posterior placement of the image receptor d. Detection of interproximal caries
What is a standard deviation?
A. the square root of a variance B. the number squared C. a line of points D. a graphical depiction of results
An image demonstrating motion and adequate density was obtained using 100 mA at 0.5 sec-onds. If the time was changed to 0.25 seconds, what mA should be used to maintain density?
a. 100 mA b. 200 mA c. 300 mA d. 400 mA
The Sellick maneuver
(A) is used to clear a foreign body airway obstruction in an infant or child. (B) is used to clear blood or mucus from an endotracheal tube or the nasopharynx. (C) may be used to minimize gastric distention and facilitate placement of an endotracheal tube into the glottic opening. (D) is the preferred method for opening the airway of an unconscious patient when cervical spine injury is suspected.