A satisfactory radiograph is produced using the fixed kVp theory. The part measuring 10 cm and 6 mAs was used. To maintain exposure, what mAs should be used if the part measures 6 cm?
What will be an ideal response?
3 mAs
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Which of the following is characteristic of nuclear medicine?
A. The patient generally has to be NPO for 24 hours prior to the procedure. B. It involves a combination of nonionizing radiation and a magnetic field, and provides images based on the water content of tissues. C. The procedure takes about 15 minutes. D. The technician uses a scanner to detect radiation from the radioisotope and converts it into an image. E. The patient is exposed to high doses of radiation.
The components of the PAT are:
A. appearance, work of breathing, and skin circulation. B. mental status, heart rate, and systolic blood pressure. C. skin condition, respiratory rate, and level of alertness. D. activity, respiratory quality, and level of consciousness.
The ________ nerves control the diaphragm.
A. vagus B. costal C. phrenic D. intercostal
The hormone erythropoietin and the enzyme renin are secreted by the:
A) juxtaglomerular apparatus. B) distal convoluted tubule. C) proximal convoluted tubule. D) loop of Henle.