CIC Exam Prep: Advanced Infection Prevention and Surveillance

Test 02: Research Methods and Wound Classification

This session focuses on Relative Risk, Disseminated Zoster, and Surgical Site Management to prepare you for critical exam scenarios.

Risk Comparison: Relative risk measures the likelihood of an outcome in an exposed group compared to a non-exposed group.
Wound Types: Class I clean wounds involve no entry into respiratory or urinary tracts and present the lowest infection risk.
Airborne Precautions: Patients with disseminated shingles require both contact and airborne precautions to prevent the transmission of infectious particles.
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Q:1Six burn patients out of 30 in a bath developed an infection. Two burn patients out of 32 using a shower cart got the same infection. What is the relative risk for the bath group?
First, find the rates for each group. The bath rate is 6 divided by 30, which is 0.2. The shower rate is 2 divided by 32, which is 0.0625. Now divide 0.2 by 0.0625 to get 3.2.
Q:2In a control chart for quality, what does the middle line show?
The middle line on a control chart is the mean. This is the average of all the points you measured.
Q:3A clinic sees 40 cases of an illness. The ratio of women to men is 3 to 5. If the clinic eventually sees 120 total cases at this same ratio, how many total women will there be?
The total parts in the ratio are 8. To find the women, take 3 divided by 8 and multiply by the 120 total cases. This equals 45.
Q:4Which factor helps make antibiotic treatment most successful?
Starting the right drug right away is the best way to help the patient get better.
Q:5Which of these is a way to use active learning in a class?
Active learning means you are doing something like talking or solving a problem. Lectures and reading are passive.
Q:6Which of these facts about C. diff spores is FALSE?
This is false because the spores are the form that actually causes the infection.
Q:7Which statement about enterococcal germs is TRUE?
These germs live in the gut of most people. Some types are very hard to treat with antibiotics.
Q:8Which germ is LEAST likely to cause a hospital wound infection?
Bacteroides fragilis needs a place with no air to grow. It is less common in most wound infections than Staph or E. coli.
Q:9Which type of surgical wound has the lowest risk for infection?
A Clean wound comes from a surgery where there is no trauma and no infection. It has the lowest risk.
Q:10What term describes comparing cancer rates in smokers versus non-smokers?
Relative risk compares how many people in one group get sick versus another group.
Q:11A patient has disseminated Herpes Zoster. Which combination of precautions must be used to protect staff and other patients?
Disseminated shingles can spread through the air and by touch. You must use a special air room and wear a gown and gloves.
Q:12What is the most effective way to stop infections from spreading in a hospital?
Washing your hands is the single best way to stop germs. It is the most important rule in the hospital.
Q:13What must you do right after you take off your gloves?
You must wash your hands immediately. Germs can still get on your skin even if you wore gloves.
Q:14Which of these is a process measure?
A process measure looks at what people are doing. Watching hand washing tells you if staff are following the rules.
Q:15What should you wear to enter the room of a patient with MRSA?
MRSA needs contact precautions. You must put on a gown and gloves before you go in.
Q:16Why is it a problem to use the same blood pressure cuff on different patients?
Equipment can carry germs from one person to another. You must clean and disinfect it every time.
Q:17Which study type gives the best proof that one thing caused another?
A cohort study follows groups over time. This helps prove that an exposure led to the sickness.
Q:18How should you clean a tool that went into a patient’s sterile tissue?
Any tool that touches sterile parts of the body must be sterile. This kills all germs and spores.
Q:19How should you remove hair before surgery?
Razors cause small cuts that can get infected. Only use clippers right before the surgery starts.
Q:20What is the main idea of Standard Precautions?
You must treat every patient as if they have an infection. This keeps you safe from fluids and germs.

Test 02 Study Summary

1. Statistical Mean: The center line of a quality control chart represents the average of all recorded data points over time.
2. Critical Items: Medical tools entering sterile tissues must undergo complete sterilization rather than just high-level disinfection to ensure safety.
3. Surgical Prep: Using electric clippers instead of razors reduces skin micro-trauma and significantly lowers the chance of post-operative infections.

How to Study for Your Test: