An intravitreous gas injection is done to create pressure on the retina. The gases used include ________
A. sulfur hexafluoride and perfluoropropane
B. carbon dioxide and ethylene oxide
ANS: A
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Into what structure does the distal convoluted tubule empty?
A. ureter B. ascending limb of loop of Henle C. descending limb of loop pf Henle D. collecting duct
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The lateral wall of the orbit is formed by what facial bone?
A) Zygomatic B) Lacrimal C) Conchae D) None of the above
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________ is acquired in the course of daily life
A) Artificial active immunity B) Artificial passive immunity C) Natural active immunity D) Natural passive immunity
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The main breathing muscle is the:
A. trapezius. B. pectoralis major. C. diaphragm. D. none of the above
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