Which of the following parameters do you need to know in order to calculate the partial pressure of a gas?
A. The percentage of the gas
B. The percentage of the other gases that comprise the atmosphere
C. The volume of the container that the gas is in
D. The water vapor pressure
E. The total pressure in the atmosphere
Answer:
A. The percentage of the gas
D. The water vapor pressure
E. The total pressure in the atmosphere
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Which of the following paranasal sinuses would most likely result in discomfort of the ears?
A. Ethmoidal sinus B. Sphenoidal sinus C. Frontal sinus D. Maxillary sinus
Decerebrate posturing is characterized by:
A) flexion of the arms and extension of the legs. B) inward flexion of the wrists and flexed knees. C) extension of the arms and extension of the legs. D) pulling in of the arms toward the core of the body.
The function of the coronary sinus is to
A. take blood from the coronary circulation to the right atrium. B. guide the aorta out of the heart. C. guide the inferior vena cava into the right atrium. D. shunt blood from the right atrium to the left atrium. E. connect the top and bottom halves of the heart.