Which of the following describes the thymus?
A. It decreases in size as a person ages.
B. It is the largest lymphatic organ.
C. If it is removed, the liver takes over its functions.
D. It removes aged RBCs from circulation.
E. It is filled with blood and macrophages.
Answer: A
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In mouth-breathing adult patients, which of the following factors is crucial in determining whether to use a mask or mouthpiece for aerosol drug delivery with a small-volume jet nebulizer?
a. Clinician experience b. Drug concentration c. Patient preference and comfort d. Brand of small-volume jet nebulizer
Laboratory tests, x-rays, EKGs, and ultrasound imaging are examples of _____________ outpatient procedures
Fill in the blank(s) with correct word
Which of the following is one of the three major factors driving rising health care costs and expenditures?
A. Aging population B. Shortage of medical school applicants C. Shortage of nurses D. None of the above
After administering 30 seconds of free-flow oxygen to a newborn with central cyanosis, you note that the cyanosis is not improving. You should:
A. insert an oral airway and continue the free-flow oxygen. B. perform positive-pressure ventilation with 100% oxygen. C. continue the free-flow oxygen for 30 seconds and reassess. D. increase the oxygen flow rate to 10 L/min and reassess