UPDATED ACTUAL Questions and
CORRECT Answers
Recipients of allogenic hematopoeietic stem transplantation (HSCT) should be placed in
rooms with how many air exchanges per hour?
3
5
10
12 - CORRECT ANSWER✔✔- 12. A greater number of air exchanges per hour prevent
opportunistic infections among stem cell transplant recipients
Because of the increased risk of infection with parenteral nutrition, the maximum infusion
time for a parenteral lipid bag to run is?
6 hours
12 hours
18 hours
24 hours - CORRECT ANSWER✔✔- Maximum 12 hours. Lipid emulsions pose greatest
risk of contamination w/ bacteria or fungi
The single most effective method of controlling hospital-acquired infections (HAI) is:
Screening patients
Isolating infected patients
Handwashing
Immunizing staff members - CORRECT ANSWER✔✔- Handwashing
If a breastfeeding mother develops mastitis, the most likely cause is:
,Infant colonized with Staphylococcus aureus
Inadequate cleansing of breast
Maternal flora invading nipple
Contaminated breast pump - CORRECT ANSWER✔✔- Infant colonized with S. aureus.
50% of neonates become colonized w/ S. aureus w/in a few days of birth, & pass infection
into breast
If hair removal is required for a surgical procedure, the BEST method is to:
Shave hair with razor immediately before the incision
Remove hair with a depilatory the night before surgery
Remove hair with clippers the night before surgery
Remove hair with clippers immediately before incision - CORRECT ANSWER✔✔-
Remove hair with clippers immediately before incision. Clippers cause the least trauma,
always immediately before surgery. Hair removal in general may not reduce rate of SSIs and
may increase risk of infection
IPC plan for an ambulatory surgery center should be evaluated (multiple options possible):
I - annually
II - monthly
III - when risks change
IV - when staff members change - CORRECT ANSWER✔✔- I - annually and III - when
risks change
How long after exposure to Hep A are IgM antibodies to HAV detectable in the blood?
48 hrs
7 days
3 weeks
1-10 weeks - CORRECT ANSWER✔✔- 3 weeks
, For patients who require hemodialysis, which type of vascular access device (VAD) poses the
lowest risk of infection?
Arteriovenous graft
Subclavian catheter
Arteriovenous fistula
Right internal jugular catheter - CORRECT ANSWER✔✔- Arteriovenous fistula. Placed in
the arm rather the thigh. Patients w/ catheters have 7x the risk of infection (subclavian
catheters have high risk). Patients w/ chronic kidney disease should have vascular access
preserved and AV fistulas created as soon as possible
Which items in medical facility require most frequent environmental cleaning?:
Bedrails
Floors
Ventilation grilles
Window curtains - CORRECT ANSWER✔✔- Bedrails, because they are high touch. Others
only require frequent cleaning if visibly soiled
Which preventive measures are recommended to prevent community-acquired pneumonia?:
Pneumococcal vaccination
Herpes zoster vaccination
Influenza vaccination
Smoking cessation - CORRECT ANSWER✔✔- Pneumococcal vaccine, influenza vaccine,
smoking cessation
The best time to collect a sputum specimen for acid-fast bacilli is:
Early morning
Midday
Afternoon