CBIC Multidrug-Resistant Organisms 3

Question 1

According to CDC guidance, CRE cases should be reported to which entity?

Accepted Answer

The local or state health department per jurisdictional requirements

Answer

Only to the treating physician

Answer

Directly to the CDC only

Answer

No mandatory reporting is required for CRE

Question 2

Enhanced Barrier Precautions (EBP), as recommended by the CDC for nursing homes, require gown and gloves during:

Accepted Answer

High-contact resident care activities for residents with specific MDROs

Answer

All patient interactions regardless of care type

Answer

Entering any room of a resident with an MDRO

Answer

All care activities for residents on ventilators

Question 3

Which of the following mechanisms BEST explains carbapenem resistance in Klebsiella pneumoniae carbapenemase (KPC)-producing organisms?

Accepted Answer

Production of a carbapenemase enzyme that hydrolyzes carbapenem antibiotics

Answer

Loss of outer membrane porins

Answer

Alteration of penicillin-binding proteins

Answer

Active efflux of carbapenems from the cell

Question 4

Long-term care facility (LTCF) residents with MDROs who do not have uncontrolled secretions or draining wounds generally:

Accepted Answer

May participate in common activities without special precautions beyond standard precautions

Answer

Should remain in their rooms at all times

Answer

Must wear gloves at all times when leaving their room

Answer

Should be transferred to acute care facilities

Question 5

Which surveillance method uses automated extraction of microbiology data to identify MDRO trends in real time?

Accepted Answer

Laboratory-based electronic surveillance

Answer

Targeted active surveillance cultures

Answer

Point prevalence surveys

Answer

Passive chart review

Question 6

Whole-genome sequencing (WGS) of MDRO isolates during an outbreak investigation PRIMARILY helps to:

Accepted Answer

Confirm or refute epidemiologic links by comparing bacterial relatedness

Answer

Determine antibiotic susceptibility profiles

Answer

Identify the geographic origin of the pathogen

Answer

Determine the optimal antibiotic treatment regimen

Question 7

The 'search and destroy' strategy for MDRO control, used most aggressively in some European countries, refers to:

Accepted Answer

Aggressive active surveillance cultures combined with strict contact precautions and decolonization

Answer

Terminating employment of colonized healthcare workers

Answer

Using broad-spectrum antibiotics to eradicate MDROs from colonized patients

Answer

Closing hospital units where MDROs are detected