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| Section | Weight | Objectives |
|---|---|---|
| Identification of Infectious Disease Processes | 17-19% | |
| Management and Communication | 10-13% | |
| Employee/Occupational Health | 10-13% | |
| Environment of Care | 10-13% | |
| Education and Research | 6-9% | |
| Preventing/Controlling the Transmission of Infectious Agents | 17-19% | |
| Cleaning, Sterilization, Disinfection, Asepsis | 10-13% | |
| Surveillance and Epidemiologic Investigation | 22-26% |
数千人の専門家で構成された権威ある制作チームが、CIC学習の質問を理解し、質の高い学習体験を楽しんでいます。 試験概要と現在のポリシーの最近の変更に応じて、CICテストガイドの内容を随時更新します。 また、CIC試験の質問は、わかりにくい概念を簡素化して学習方法を最適化し、習熟度を高めるのに役立ちます。 さらに、CICテストガイドを使用すると、試験を受ける前に20〜30時間の練習で準備時間を短縮できることは間違いありません。
質問 # 90
Which of the following statements characterizes the proper use of chemical disinfectants?
正解：C
解説：
The proper use of chemical disinfectants is a critical aspect of infection control, as outlined by the Certification Board of Infection Control and Epidemiology (CBIC). Chemical disinfectants are used to eliminate or reduce pathogenic microorganisms on inanimate objects, and their effective application requires adherence to specific protocols to ensure safety and efficacy. Let's evaluate each option based on infection control standards:
A). All items to be processed must be cleaned prior to being submerged in solution.: This statement is a fundamental principle of disinfectant use. Cleaning (e.g., removing organic material such as blood, tissue, or dirt) is a prerequisite before disinfection because organic matter can inactivate or reduce the effectiveness of chemical disinfectants. The CBIC emphasizes that proper cleaning is the first step in the disinfection process to ensure that disinfectants can reach and kill microorganisms. This step is universally required for all levels of disinfection (low, intermediate, and high), making it a characterizing feature of proper use.
B). The label on the solution being used must indicate that it kills all viable micro-organisms.: This statement is misleading. No disinfectant can be guaranteed to kill 100% of all viable microorganisms under all conditions, as efficacy depends on factors like contact time, concentration, and the presence of organic material. Disinfectant labels typically indicate the types of microorganisms (e.g., bacteria, viruses, fungi) and the level of disinfection (e.g., high-level, intermediate-level) they are effective against, based on standardized tests (e.g., EPA or FDA guidelines). Claiming that a solution kills all viable microorganisms is unrealistic and not a requirement for proper use; instead, the label must specify the intended use and efficacy, which varies by product.
C). The solution should be adaptable for use as an antiseptic.: An antiseptic is a chemical agent used on living tissue (e.g., skin) to reduce microbial load, whereas a disinfectant is used on inanimate surfaces. While some chemicals (e.g., alcohol) can serve both purposes, this is not a requirement for proper disinfectant use. The adaptability of a solution for antiseptic use is irrelevant to its classification or application as a disinfectant, which focuses on environmental or equipment decontamination. This statement does not characterize proper disinfectant use.
D). A chemical indicator must be used with items undergoing high-level disinfection.: Chemical indicators (e.
g., test strips or tapes) are used to verify that the disinfection process has met certain parameters (e.g., concentration or exposure time), particularly in sterilization or high-level disinfection (HLD). While this is a recommended practice for quality assurance in HLD (e.g., with glutaraldehyde or hydrogen peroxide), it is not a universal requirement for all chemical disinfectant use. HLD applies specifically to semi-critical items (e.g., endoscopes), and the need for indicators depends on the protocol and facility standards. This statement is too narrow and specific to characterize the proper use of chemical disinfectants broadly.
The correct answer is A, as cleaning prior to disinfection is a foundational and universally applicable step in the proper use of chemical disinfectants. This aligns with CBIC guidelines, which stress the importance of a clean surface to maximize disinfectant efficacy and prevent infection transmission in healthcare settings.
CBIC Infection Prevention and Control (IPC) Core Competency Model (updated 2023), Domain IV:
Environment of Care, which mandates cleaning as a prerequisite for effective disinfection.
CBIC Examination Content Outline, Domain III: Prevention and Control of Infectious Diseases, which includes protocols for the proper use of disinfectants, emphasizing pre-cleaning.
CDC Guidelines for Disinfection and Sterilization in Healthcare Facilities (2021), which reinforce that cleaning must precede disinfection to ensure efficacy.
質問 # 91
The appropriate method to obtain cultures for the diagnosis of catheter-associated urinary tract infections (CAUTI) is:
正解：C
解説：
The CBIC Certified Infection Control Exam Study Guide (6th edition) clearly states that the correct and recommended method for obtaining urine cultures in patients with an indwelling urinary catheter is to collect the specimen using aseptic technique from the catheter's designated sampling (collection) port. This method minimizes the risk of contamination and provides the most accurate reflection of organisms present in the urinary tract.
Urine collected from the sampling port is obtained after disinfecting the port and aspirating urine with a sterile syringe. This approach maintains the integrity of the closed drainage system and reduces the introduction of microorganisms. Accurate culture collection is essential for correct diagnosis of catheter-associated urinary tract infection (CAUTI) and for distinguishing true infection from colonization or contamination.
Option B is incorrect because culturing the catheter tip is not recommended for diagnosing CAUTI; it does not reliably represent urinary tract pathogens and may reflect biofilm colonization. Option C is inappropriate because disconnecting the catheter from the drainage tubing breaks the closed system and increases infection risk. Option D is incorrect because urine from the drainage bag is often contaminated and does not accurately represent bladder urine.
For CIC exam preparation, it is critical to recognize that aseptic aspiration from the catheter sampling port is the standard of care for urine culture collection in catheterized patients and is a core infection prevention principle related to CAUTI surveillance and diagnosis.
質問 # 92
Which of the following is included in an effective respiratory hygiene program in healthcare facilities?
正解：C
解説：
An effective respiratory hygiene program in healthcare facilities aims to reduce the transmission of respiratory pathogens, such as influenza, COVID-19, and other droplet- or airborne infectious agents, by promoting practices that minimize the spread from infected individuals. The Certification Board of Infection Control and Epidemiology (CBIC) emphasizes the importance of such programs within the "Prevention and Control of Infectious Diseases" domain, aligning with guidelines from the Centers for Disease Control and Prevention (CDC). The CDC's "Guideline for Isolation Precautions" (2007) and its respiratory hygiene/cough etiquette recommendations outline key components, including source control, education, and environmental measures to protect patients, visitors, and healthcare workers.
Option B, "Mask availability at building entrance and reception," is a core element of an effective respiratory hygiene program. Providing masks at entry points ensures that symptomatic individuals can cover their mouth and nose, reducing the dispersal of respiratory droplets. This practice, often referred to as source control, is a primary strategy to interrupt transmission, especially in high-traffic areas like entrances and receptions. The CDC recommends that healthcare facilities offer masks or tissues and no-touch receptacles for disposal as part of respiratory hygiene, making this a practical and essential inclusion.
Option A, "Community educational brochures campaign," is a valuable adjunct to raise awareness among the public about respiratory hygiene (e.g., covering coughs, hand washing). However, it is an external strategy rather than a direct component of the facility's internal program, which focuses on immediate action within the healthcare setting. Option C, "Separate entrance for symptomatic patients and visitors," can enhance infection control by segregating potentially infectious individuals, but it is not a universal requirement and depends on facility resources and design. The CDC suggests this as an optional measure during outbreaks, not a standard element of every respiratory hygiene program. Option D, "Temperature monitoring devices at clinical unit entrance," is a useful screening tool to identify febrile individuals, which may indicate infection.
However, it is a surveillance measure rather than a core hygiene practice, and its effectiveness is limited without accompanying interventions like masking.
The CBIC Practice Analysis (2022) and CDC guidelines prioritize actionable, facility-based interventions like mask provision to mitigate transmission risks. The availability of masks at key entry points directly supports the goal of respiratory hygiene by enabling immediate source control, making Option B the most appropriate answer.
References:
* CBIC Practice Analysis, 2022.
* CDC Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings, 2007.
質問 # 93
As part of their antimicrobial stewardship initiative, Hospital A is using a qualitative study to assess their program. What type of data will be collected using this approach?
正解：A
解説：
Qualitative studiesfocus on collectingsubjective data, including personal narratives, observations, and experiences. These data arenot numeric, and instead aim to explore themes and meaning from contextual, non-quantifiable information.
* From theAPIC Text:
"Qualitative methods... Measures or data: Subjective, Unique, Differs over time, sample, and context." References:
APIC Text, 4th Edition, Chapter 19 - Qualitative Research Methods
質問 # 94
An infection preventionist is preparing a report about an outbreak of scabies in a long-term care facility. How would this information be displayed in an epidemic curve?
正解：C
解説：
An epidemic curve, commonly used in infection prevention and control to visualize the progression of an outbreak, is a graphical representation of the number of cases over time. According to the principles outlined by the Certification Board of Infection Control and Epidemiology (CBIC), an epidemic curve is most effectively displayed using a bar graph or histogram that tracks the number of new cases by date or time interval (e.g., daily, weekly) without revealing patient identifiers, ensuring compliance with privacy regulations such as HIPAA. Option C aligns with this standard practice, as it specifies preparing a bar graph with no patient identifiers, focusing solely on the number of cases over a specific period. This allows infection preventionists to identify patterns, such as the peak of the outbreak or potential sources of transmission, while maintaining confidentiality.
Option A is incorrect because listing case names and room numbers with a logarithmic scale violates patient privacy and is not a standard method for constructing an epidemic curve. Logarithmic scales are typically used for data with a wide range of values, but they are not the preferred format for epidemic curves, which prioritize clarity over time. Option B is also incorrect, as using medical record numbers and scatter plots to show days in the facility to onset does not align with the definition of an epidemic curve, which focuses on case counts over time rather than individual patient timelines or scatter plot formats. Option D is inappropriate because a scatter plot by patient location emphasizes spatial distribution rather than the temporal progression central to an epidemic curve. While location data can be useful in outbreak investigations, it is typically analyzed separately from the epidemic curve.
The CBIC emphasizes the importance of epidemic curves in the "Identification of Infectious Disease Processes" domain, where infection preventionists use such tools to monitor and control outbreaks (CBIC Practice Analysis, 2022). Specifically, the use of anonymized data in graphical formats is a best practice to protect patient information while providing actionable insights, as detailed in the CBIC Infection Prevention and Control (IPC) guidelines.
References:
* CBIC Practice Analysis, 2022.
* CBIC Infection Prevention and Control Guidelines (IPC), Section on Outbreak Investigation and Epidemic Curve Construction.
質問 # 95
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