Case control is designed to help determine if an exposure is associated with an
outcome - in this case a BSI - ANS-Which of the following studies should be completed
if an outbreak of bloodstream infections have occurred in an ICU?
A. case control
B. experimental
C. analytic
D. cross sectional
A. Time, place and person - ANS-In investigating an epidemic, cases should be
categorized according to:
A. time, place, and person
B. agent, host, and environment
C. agent, host, and date of onset
D. time, person, and date of onset
B. 15 days - ANS-The lengths of stay for patients with healthcare associated infections
are 12, 12, 12, 13, 15, 15, 16, 20, and 30 days. What is the median length of stay?
A. 12 days
B. 15 days
C. 16 days
D. 25 days
B. baseline testing and repeat TST/PPD skin test in 12 weeks after exposure
An incubation period of 2 to 12 weeks is usually necessary after exposure to the TB
bacteria inorder for the PPD test to be positive - ANS-A patient who is HIV-infected was
admitted to the hospital with a diagnosis of pneumonia. Four days following admission,
the patient is placed in airborne precautions for active pulmonary tuberculosis (TB).
Culture and sensitivity testing of sputa indicates Mycobacterium tuberculosis resistant to
Isoniazid. Potentially exposed employees should be offered which of the following:
A. pyrazinamide (PZA) and rifampin for 6 months
, B. baseline testing and repeat TST/PPD skin test in 12 weeks after exposure
C. chest x-ray in 6 months
D. two-step TST/PPD skin testing per hospital protocol
B. IgM - ANS-The presence of which of the following antibodies to Hepatitis A virus
confirms the diagnosis of acute hepatitis A?
A. IgG
B. IgM
C. IgE
D. IgD
B. only the information needed
Gathering data for surveillance purposes can be time consuming. Only collect the
information required to meet the case definition under surveillance and any risk factors.
- ANS-Which of the following should be included when designing a patient infection
surveillance form?
A. denominator information
B. only the information needed
C. as much information as possible
D. medication history
B. psychomotor learning - ANS-A student demonstrates appropriate tracheostomy
suctioning technique to an instructor. This is an example of:
A. cognitive learning
B. psychomotor learning
C. affective learning
D. theoretical learning
B. skin
Diptheroids (Corynebacterium spp) are Gram-positive, aerobic bacilli. Most are
opportunistic pathogens (except C. diptheria). They are skin flora for humans and
animals. - ANS-A patient with leukemia has developed a healthcare-associated
bloodstream infection with a multidrug resistant diptheroid. The MOST likely source of
the organism is the patient's:
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller modockochieng06. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.39. You're not tied to anything after your purchase.