ATI LPN
Infection Control Answers and Questions Questions
Question 1 of 5
Calculate the device utilization rate for a facility which has had 800 vent days and 4000 patient days.
Correct Answer: A
Rationale: Device utilization rate = 800/4000 = 0.2.
Question 2 of 5
Which of the following are used for sterilization of medical instruments: 1. Steam sterilizer 2. Pasteurizer 3. Ethylene oxide sterilizer 4. Ultrasonic cleaner
Correct Answer: C
Rationale: Steam and ethylene oxide are sterilization methods; pasteurizers and ultrasonic cleaners are not.
Question 3 of 5
A patient in the neurosurgical ICU develops a fever. Cultures are ordered and collected. The physician decides to start an antibiotic while waiting for the culture results because the patient is critically ill. This type of antibiotic usage is called:
Correct Answer: A
Rationale: Empiric therapy is used before pathogen identification based on clinical suspicion.
Question 4 of 5
Which is NOT a risk factor for progression to active TB in patients with latent tuberculosis infection (LTBI)?
Correct Answer: A
Rationale: Hypertension is not typically associated with progression from latent to active TB.
Question 5 of 5
Which client is most in need of immediate examination by an ophthalmologist?
Correct Answer: B
Rationale: The 40-year-old client with glasses and a reddened sclera who reports brow pain, headache, and seeing colored halos around lights is most in need of an ophthalmologic examination. This client is exhibiting signs and symptoms of increased intraocular pressure(IOP). This is a priority because the optic nerve can be damaged, which can cause possible blindness.