Which of the following is true regarding proportional systematic errors?
A) The slope and the x-intercept of the regression line are affected.
B) The slope of the regression line differs from the true value.
C) The x-intercept of the regression line becomes equal to the y-intercept.
D) The y-intercept of the regression line differs from the true value.
B
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Which of the following is a possible nutrition-related side effect of medication use?
A) Nausea B) Loss of appetite C) Taste loss D) All of the above
Which of the following would be considered a breach of sterility?
A) Moving items on the sterile field while wearing sterile gloves B) Brushing up against the outer edge of the sterile field C) Standing several inches away from the field when placing items onto the field D) Opening surgical packs off to the side and then placing them on the sterile field
Which sub-group is considered at the highest risk for anthrax infection?
A. housewives B. children younger than five C. HIV positive men D. military personnel
After weaning and extubation, a patient on a cool aerosol mask at 40% O2 develops moderate hypoxemia and hypercapnia, with a falling pH. Which of the following actions would you recommend at this time?
A. increase the nebulizer oxygen concentration to 60% B. apply bi-level positive airway pressure via mask C. administer 50 mEq IV sodium bicarbonate D. re-intubate and apply volume control ventilation