A graft derived from live tissue—human or animal—is called a(n) __________________
A. autograft C. biological graft
B. allograft D. synthetic graft
ANS: C
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Which of the following is NOT a factor on which absorbance depends?
A) The concentration of the absorbing chemical substance B) The inherent ability of the chromophore to absorb light C) The length of the path the light takes when passing through the solution D) The refractive nature of the ambient air surrounding the solution
What is vital capacity?
A. The volume of the lungs at peak inspiration B. The amount of air that can be inhaled after normal expiration C. The amount of air remaining in the lungs after a normal expiration D. The amount of air that can be exhaled following forced inspiration, including maximum expiration
In shock, the body's reactions to a decreased amount of oxygen reaching the cells include:
a. the release of epinephrine, increased stroke volume, and slowed respiratory rate. b. increased stroke volume, increased heart rate, and increased peripheral resistance. c. slowed respiratory rate, shunting of blood from the skin, and decreased pulse rate. d. increased stroke volume, decreased pulse rate, and shunting of blood from the skin.
What is the minimum airway pressure at which the esophagus opens, allowing gas to pass directly into the stomach?
a. 25 cm H2O b. 20 cm H2O c. 15 cm H2O d. 10 cm H2O