A 65-year-old male is intubated and placed on a mechanical ventilator after a motor vehicle ac-cident.
Thirty-six hours later he develops infiltrates on the chest radiograph. Which of the following ac-tions may have been able to prevent this from occurring?
1. Elevation of the head of the bed 20 to 30 degrees
2. Aspiration of subglottic secretions
3. Changing ventilator circuit every 24 hours
4. Stress ulcer prophylaxis
5. Avoid the use of sedatives
a. 1 only c. 1, 2, 4, and 5
b. 1, 3, and 5 d. 1, 2, 3, 4, and 5
Q. 2 A home care patient is being instructed on the use of a hand-held nebulizer. Which of the fol-lowing would be the recommended method of disinfection for the nebulizer?
a. Alkaline glutaraldehyde
b. One part household vinegar and three parts water
c. Pasteurization
d. Autoclave
Q. 3 Patients undergoing corticosteroid therapy have an increased risk of nosocomial infection from which of the following common pathogens?
a. Candida albicans c. Streptococcus pneumoniae
b. Enterobacteriaceae sp. d. Staphylococus epi-dermidis
Q. 4 Safe needle practice calls for which of the following?
a. Needles should not be recapped.
b. Recap the needle with two hands.
c. Gloves are not necessary when drawing blood.
d. Dispose of the needle in a hazardous waste bag.
Q. 5 An adult is brought to the emergency department with third-degree burns over 40 of his body. This patient now has an increased susceptibility to which of the following organisms?
a. Streptococcus pneumoniae c. Candida albicans
b. Pseudomonas aeru-ginosa d. Clostridium difficile