Which of the following best describes the ventilation/perfusion ratio?
A) The ability of the red blood cells to offload oxygen to the cells of the body
B) The amount of blood and the pressure at which it carries oxygen throughout the body
C) The amount of air that is moved into and out of the lungs in 1 minute
D) The ability of the body to exchange gases across the alveolar capillary membrane
D
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________ is/are not allowed in medical facilities
a. Eating b. Visitors c. Children d. Smoking
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You suspect that a newborn has choanal atresia. Which of the following signs would lead you to this diagnosis?
A) The infant develops cyanosis when crying. B) The baby cannot nurse and breathe at the same time. C) The baby has unequal brachial pulses. D) The infant has a persistently low SpO2.
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