A deflagration has a combustion zone that propagates:
A) faster than the local speed of sound.
B) slower than the local speed of sound.
C) approximately at the speed of the average walking adult.
D) approximately at the speed of the average running adult.
B
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Researchers think that stem cells may someday be useful for:
A) Creating new kinds of human life. B) Eliminating world hunger. C) Widespread testing of experimental medications. D) Screening for potential antitumor drugs.
Which is the correct interpretation of the following arterial blood gas values: pH = 7.26; PCO2 = 64 mm Hg; PO2 = 48 mm Hg; HCO3– = 26 mEq/L; and fractional inspired oxygen (FIO2) = 0.21?
a. Acute respiratory acidosis with moderate hypoxemia b. Acute metabolic acidosis with severe hy-poxemia c. Acute metabolic alkalosis with severe hy-poxemia d. Compensated respiratory acidosis with moderate hypoxemia
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
Which of the following would not immobilize a fractured arm?
A. cast B. splint C. stereotactic device D. bandage