Which of the following should be increased if the exposure time is decreased to compensate for patient movement such as tremors?
a. kVp
b. mA
c. Impulses
d. PID length
b. An increase in the mA setting allows the radiographer to decrease exposure time. The mA setting controls the amount of radiation being produced. If the exposure time is decreased, increasing the amount of radiation will compensate for the shorter exposure time to produce an acceptable image.
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What is an alternate term for acute alveolar hyperventilation?
A. metabolic alkalosis B. respiratory alkalosis C. respiratory acidosis D. metabolic acidosis
After administering a bronchodilator to a patient through a small-volume nebulizer, which of these statements made by the patient should be of most concern to an EMT?
A) "I feel shaky." B) "My mouth is really dry." C) "I suddenly feel nervous." D) "My chest feels heavy."
Which of the following is important in processing a urine specimen for microscopic examination of sediment?
A. Fill one test tube with 2 mL of water and the other test tube with 2 mL of urine B. Balance the centrifuge by placing the test tubes upside down C. Set the centrifuge for 20 minutes D. After the centrifuge stops, discard most of the supernatant from the tube E. Avoid using a coverslip on the specimen slide
The reliability of data means the accuracy of a measurement and whether the measurement represents reality.
Answer the following statement true (T) or false (F)