In radiography, a partial shadow or fuzzy outline around the image is referred to as what?
overlapping
mutations
light fog
penumbra
penumbra
Rationale: penumbra – This is the fuzziness that occurs around the image on an x-ray.
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Which of the following is inflammation of the vermiform appendix?
a. Appendicitis b. Peritonitis c. Diverticulitis d. Vermitis
Which of the following would likely exacerbate pulmonary edema?
A. Nitroglycerin B. Increased cardiac preload C. A positive inotropic drug D. Decreased cardiac afterload
Which of the following best defines hematology?
a. Study of blood chemistry b. Study of blood proteins c. Study of blood plasma d. Study of blood cells
A 6-year-old presents with slightly umbilicated, dome-shaped lesions on the skin of the trunk, face, and extremities. The child is diagnosed with molluscum contagiosum caused by a highly contagious:
a. bacterium. b. virus. c. fungus. d. parasite.