ATI LPN
Infection Control Quizlet Questions Questions
Question 1 of 5
Calculate the Sensitivity and Specificity for these data: Has Condition YES NO Positive Test 40 30 Negative Test 10 70 Total 50 100
Correct Answer: A
Rationale: Sensitivity = 40/50 = 80%, Specificity = 70/100 = 70%.
Question 2 of 5
A measles exposure from a patient in a clinic was identified and an exposure work-up was initiated. A staff exposure was defined as 'nonimmune HCP with more than 5 minutes of same-room contact or faceto-face with the index patient.' Forty-eight HCP were identified as possible exposures. Of these, 44 had documented immunity to measles. Of the remaining HCP, three did not have the same room or face-to-face contact. How many HCP were at risk of developing measles because of the exposure?
Correct Answer: C
Rationale: 1 HCP (48 - 44 immune - 3 non-exposed) meets the exposure criteria.
Question 3 of 5
Which class of antibiotics is not inactivated by extended-spectrum beta-lactamases (ESBL)?
Correct Answer: C
Rationale: Glycopeptides are not inactivated by ESBLs.
Question 4 of 5
The use of gloves is an effective substitute for hand washing.
Correct Answer: B
Rationale: Gloves reduce direct contact but do not eliminate the need for hand washing, as hands can still become contaminated.
Question 5 of 5
Which of these groups will the nurse target in planning education related to tuberculosis(TB)? Select one that doesn't apply.
Correct Answer: A
Rationale: The groups the nurse plans to educate include those adults who live in crowded areas such as prisons and homeless shelters, and those who are recent immigrants to the USA. Other groups at higher risk for tuberculosis include those who abuse injection drugs or alcohol and those groups of lower socioeconomic status.