EXAM QUESTIONS WITH VERIFIED
QUESTIONS AND ANSWERS GRADED
A+
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
Bedtime - CORRECT ANSWER-Early morning
A distribution curve that has a skew value of +3 will exhibit what shape? - CORRECT
ANSWER-An enlarged tail to the right. This is indicating there are more data than expected
on the right (or positive) end of the distribution curve. Skew is positive when the mean is
greater than the median, negative when the mean is lesser than the median. Value of 0 =
normal bell curve with no skew. Negative value = skew to the left.
How long does a patient remain infectious after exposure to West Nile virus? - CORRECT
ANSWER-6-7 days before symptoms occur
With which teaching style (Grasha) does the IP focus on content rather than relationships
w/ learners?: