Hypoxia is a condition in which:
A. there is a deficiency of oxygen in the arterial blood.
B. there is a lack of oxygen to the body's cells and tissues.
C. lactic acid is produced secondary to anaerobic metabolism.
D. carbon dioxide accumulates in the blood to dangerous levels.
Answer: B. there is a lack of oxygen to the body's cells and tissues.
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Which of the following is a true statement about the delivery of warm, humidified gas to the lungs?
a. The gas delivered to the nose or mouth contains 95% relative humidity and has an absolute humidity of 28 mg/L to 34 mg/L at 29° C to 32° C. b. The gas delivered to the hypopharynx contains 50% relative humidity and has an absolute humidity level of 10 mg/L at 22° C. c. The gas delivered to the midtrachea con-tains 50% relative humidity and has an absolute humidity level of 36 mg/L to 40 mg/L at 31° C to 35° C. d. The gas delivered to the midtrachea con-tains 100% relative humidity and has an absolute humidity level of 36 mg/L to 40 mg/L at 31° C to 35° C.
What is the inspiratory time for the ventilator breath shown in section B of the figure below?
a. 0.5 second b. 1.0 second c. 1.5 second d. 2.0 seconds
Where in the CPT manual should you look to find information about the proper use of modifiers?
A. Introduction B. Appendix A C. Appendix B D. Appendix C E. Appendix D
You should wash your hands for a minimum of how long between patients?
A. 30 seconds B. 20 seconds C. 1 minute D. 45 seconds