If a low-land resident ascends to a high mountain altitude, which of the following would be stimulated first?
a. peripheral chemoreceptors due to drop in PaCO2
b. peripheral chemoreceptors due to drop in PaO2
c. central chemoreceptors due to increase in H+ in CSF
d. central chemoreceptors due to drop in PaO2
b. peripheral chemoreceptors due to drop in PaO2
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An MRI takes ________ minutes, depending on the amount of the body to be scanned
a. 2 to 10 b. 10 to 20 c. 20 to 60 d. 60 to 90
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The thick middle layer of the heart is called the:
A) epicardium B) myocardium C) endocardium D) pericardium
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The blood alcohol level of ____ is considered the limit in most states for driving while intoxicated.
A. 0.08 B. 0.04 C. 0.8 D. 0.4
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________ is a nutritional disorder caused by a vitamin D deficiency
A) Osteomalacia B) Rickets C) Scurvy D) Both A and B
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