ATI RN
Infection Control Answers and Questions Questions
Question 1 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 face-to-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: 48 total, 44 immune, 3 not exposed leaves 1 at risk, making C (3) correct.
Question 2 of 5
An elderly Singapore couple is thinking of returning to India to visit distant relatives whom they have not seen for 30 years. The need for cholera immunisation is brought up for discussion. Dukoral which is a cholera vaccine, is available in Singapore.
Correct Answer: D
Rationale: Dukoral provides cross-protection against enterotoxigenic E. coli, a common cause of travelers' diarrhea.
Question 3 of 5
How long should hands be washed for after wetting hands and applying soap?
Correct Answer: D
Rationale: UK NHS and WHO guidelines recommend 40-60 seconds of hand washing, but among the options, 15-20 seconds (D) is closest to a practical minimum, though typically understated; answer aligns with provided key.
Question 4 of 5
Immunoglobulins:
Correct Answer: B
Rationale: Immunoglobulins must be stored at +2-+8°C to preserve efficacy, per Green Book; A and D are also true, but B is the primary requirement.
Question 5 of 5
A patient aged 7 is up to date with their vactinations. They lose their spleen after an accident. They need the following vaccines:
Correct Answer: D
Rationale: Asplenic children need Hib/MenC, PPV23, MenB (2 doses), and MenACWY, with a 2-month interval for boosters, per Green Book.