CIC Education and Research 5

Question 1

Which data element is ESSENTIAL when calculating a device-associated infection rate using NHSN methodology?

Accepted Answer

Number of device days

Answer

NHSN device-associated infection rates use device days as the denominator to reflect the actual exposure time to the device.

Question 2

An ICP is planning a study to determine risk factors for CAUTI in ICU patients. Which study design is MOST appropriate?

Accepted Answer

Case-control study

Answer

Case-control studies are efficient for identifying risk factors by comparing patients who developed CAUTI (cases) to those who did not (controls).

Question 3

When developing infection prevention education for non-English-speaking healthcare workers, which adaptation is MOST important?

Accepted Answer

Use pictorial job aids and translated materials reviewed by native speakers

Answer

Pictorial aids combined with professionally reviewed translated materials address literacy and language barriers while ensuring content accuracy.

Question 4

Which epidemiological term describes the proportion of individuals in a population who have a disease at a specific point in time?

Accepted Answer

Point prevalence

Answer

Point prevalence measures the proportion of a population affected by a disease at a single defined point in time.

Question 5

When interpreting a run chart showing CLABSI rates, a 'signal' of non-random variation is detected when:

Accepted Answer

Six or more consecutive data points fall on the same side of the median

Answer

In run chart analysis, six or more consecutive points on the same side of the median is a standard rule indicating non-random, special-cause variation.

CIC - Certification in Infection Prevention and Control Practice Test

CIC - Certification in Infection Prevention and Control Practice Test

CIC Education and Research 5