Which of the following devices allows the operator to set the rate and volume of ventilations, thereby reducing errors from over and under-ventilation?
A) FROPVD
B) ATV
C) BVM
D) CPAP
B
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Which one of the following signs or symptoms should the EMT directly relate to a patient who has a low white blood cell count?
A) Bruising to the extremities B) SpO2 at 91% on room air C) Blood pressure of 156/100 mmHg D) Temperature of 103.4?F
Why are CMS-1500 claim forms printed in red?
A. to identify them as Medicare claims B. to identify them as non-hospital claims C. to allow for optical scanning D. to allow for easier reading
For a lateral knee projection,
1. an imaginary line connecting the femoral epicondyles is aligned parallel with the IR. 2. a patient with long femora and a narrow pelvis does not require an angled central ray. 3. a grid is used if the knee measures over 10 cm. 4. the central ray is centered 1 inch (2.5 cm) distal to the medial femoral epicondyles. a. 1 and 2 only b. 2 and 4 only c. 2, 3, and 4 only d. 1, 2, 3, and 4
When changing your SID from 72 1d to 56 1d
a. decrease your kVp by 15%. b. decrease your mAs by 50%. c. increase the mAs by a factor of 4. d. all of the above