What is the basic function of the respiratory system?
A) Transport oxygen throughout the body
B) Provide nutrients to the cells absorbed into the bloodstream
C) Release oxygen from the body via hemoglobin sites
D) Exchange oxygen and carbon dioxide with the environment
D) Exchange oxygen and carbon dioxide with the environment
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A patient with COPD requires NIPPV. Which of the following would be suitable for initial settings?
A. IPAP 20 cm H2O, EPAP 10 cm H2O B. IPAP 5 cm H2O, EPAP 5 cm H2O C. IPAP 15 cm H2O, EPAP 3 cm H2O D. IPAP 10 cm H2O, EPAP 5 cm H2O
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Which of the following is the measure of spread between the smallest values and the largest values in a frequency distribution?
A) Standard deviation B) Median C) Central tendency D) Variance E) Range
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