Which testing device is used in quality control to compare the density of the radiographic image?
a safelight
a photoreceptor
a viewer
a step wedge
a step wedge
Rationale: a step wedge – This device consists of increments of absorber through which a radiographic exposure is made on film to permit determination of the amounts of radiation reaching the film by measurements density.
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A copy of the Residents’ Rights must be given to the resident and her or his family or legal guardian upon the resident’s admission to the facility.
Answer the following statement true (T) or false (F)
Family members have called you for a young female patient with a diabetic history who took insulin earlier in the day. She is confused and combative. Which of the following questions is most important for the EMT to immediately ask the family?
A) "How long has she been a diabetic?" B) "Do you think that her blood sugar is high?" C) "Did she eat after taking the insulin?" D) "Did she take any drugs or drink alcohol?"
A patient complaining of substernal chest pain tells you that it feels the same as when he had a heart attack two years ago. He is diaphoretic, nauseated, vomiting, and has a blood pressure of 78/50 mmHg and heart rate of 84. He also is allergic to aspirin. He asks you to assist him in taking one of his nitroglycerin pills. Which one of the assessment findings that follows represents a
contraindication to the administration of the nitroglycerin? A) Nausea and vomiting B) Heart rate below 100 C) Chest pain rated less than 5 on a scale of 1 to 10 D) Blood pressure of 78/50 mmHg
The ratio of the density of one fluid when compared with the density of another reference sub-stance, which is typically water, describes the fluid's:
a. specific gravity. b. specific weight. c. atomic mass. d. atomic volume.