Which of the following best describes the mediastinum?
A. The space between the ribs and the diaphragm
B. The space between the inner and outer lining of the lungs
C. The fibrous sac surrounding the heart
D. The space that houses the heart, aorta, and esophagus
Answer: D
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In the OPQRST secondary assessment tool, the letter S stands for severity, which is measured by the patient on a scale of:
A. best to worst. B. 1 to 10. C. 0 to 100. D. A to Z.
Which of the following types of high-frequency ventilation involves the delivery of pulsations under pressure through a small lumen at rates of 1.7 to 10 Hz?
a. Jet c. Positive-pressure b. Oscillatory d. Flow interruption
Diabetes is caused primarily by a disorder of the:
A) Pancreas B) Stomach C) Gallbladder D) Liver
What effect does an increased altitude have on the percentage that gases compose in the atmosphere?
a. the percentages remain the same but the partial pressures would decrease with altitude b. the partical pressures remain the same but the percentages would decrease c. the percentages and the partial pressures would increase d. the percentages and the partial pressures would decrease