The energy equivalent of O2 is:
a. 4.8 kcal of energy liberated per liter of O2 consumed
b. 4.8 kcal of energy liberated per liter of CO2 expired
c. 5.8 kcal of energy liberated per liter of O2 consumed
d. 5.8 kcal of energy liberated per liter of CO2 expired
e. 6.8 kcal of energy liberated per liter of CO2 expired
a
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The atrioventricular valves permit blood flow
A) in one direction only. B) in both directions. C) in many directions. D) in opposite directions on the right and left. E) from a ventricle to an atrium.
What name is given for the point of attachment of a muscle on the moveable end?
A. Origin B. Insertion C. Agonist D. Antagonist
Which statement about the thymus is false?
A. The thymus is well developed at birth and continues to develop during adulthood. B. T cells migrate from the red bone marrow to the thymus gland where they mature. C. The thymus is located in the superior mediastinum between the sternum and the aortic arch. D. All of the statements are true.
When a nurse draws blood, it is not uncommon for the needle to penetrate which muscle near the cubital region?
A. Pronator quadratus B. Semimembranosus C. Pronator teres D. Buccinator E. Supinator