The chamber of the heart that receives deoxygenated blood returning from the body is the
right ventricle
left ventricle
left atrium
right atrium
right atrium
Rationale: The right ventricle receives blood from the right atrium; the left ventricle receives blood from the left atrium; the right atrium receives blood from the vena cavae; the vena cavae routes deoxygenated blood from the circulatory system back through the heart.
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Indicate whether the statement is true or false
When administering epinephrine to an infant or child, the EMT would place the injector at which site?
A) Outer buttock B) Hip muscle C) Upper arm D) Lateral thigh
If blood glucose levels become too low
A) Insulin is released from the pancreas stimulating glycogen breakdown in the liver B) Glucagon is released from the pancreas, stimulating glycogen breakdown in the liver C) Epinephrine and corticosteroids act to help transport glucose into cells for use as energy D) The body has no compensation mechanisms and will go into hypometabolic shock if more carbohydrate is not consumed
With a PaO2 of 100 mm Hg at 1 atm of pressure, what amount of oxygen can physically dissolve in 1 dL of blood?
A. 3.0 mL B. 0.03 mL C. 0.003 mL D. 0.3 mL