What percent of the kinetic energy inside the x-ray tube is actually converted to x-radiation?
a. 99 percent
b. 50 percent
c. 25 percent
d. 1 percent
d. The kinetic energy (the high-velocity electrons) is converted into approximately 1 percent x-ray energy. The other 99 percent of the kinetic energy generated is lost as heat energy.
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Patient presents with complaints of abdominal pain, muscle cramps, and tingling in fingers, toes, and lips. Physical exam showed brittle ails, and dry scaly skin. Lab test showed hypomagnesemia, hypocalcemia, and increased phosphorus levels. The parathyroid hormone level was also below normal. Based on the patient's symptoms and the abnormal lab work, the physician diagnosed the patient with
parathyroid tetany. He prescribed calcium carbonate and vitamin D. He also told the patient to stay away from carbonated beverages and to eat a diet rich in calcium. Fill in the blank with correct ICD-10 code. Dx: Parathyroid tetany
When the nerve terminal is stimulated by nerve impulses, ____ is released into the synaptic cleft.
A. acetylcholine B. calcium C. succinylcholine D. PCHE