Free CRNI Infection Control Questions and Answers 1 — Questions and Answers
Question 1: The shortest amount of time to identify nosocomial infection is...
- 6 hours
- 72 hours (Correct answer)
- 12 hours
- 24 hours
Correct answer: 72 hours
Nosocomial infections, also known as healthcare-associated infections (HAIs), are typically defined as infections acquired in a hospital or healthcare setting that were not present or incubating at the time of admission. A common diagnostic criterion is that the infection manifests at least 48 to 72 hours after hospital admission. This timeframe helps differentiate infections acquired during hospitalization from those present upon arrival.
Question 2: The most prevalent blood-borne viruses are.......
- HCV
- HIV
- HBV
- All of the above (Correct answer)
Correct answer: All of the above
Hepatitis C virus (HCV), Human Immunodeficiency Virus (HIV), and Hepatitis B virus (HBV) are all significant blood-borne pathogens. These viruses can be transmitted through contact with infected blood or body fluids, posing a risk in healthcare settings and through activities like sharing needles. Therefore, universal precautions and rigorous screening of blood products are essential to prevent their spread.
Question 3: A frequent nosocomial illness is not one of the following:
- TB (Correct answer)
- Pneumonia
- Surgical site infections
- UTI (Urinary tract infection)
Correct answer: TB
While Tuberculosis (TB) can be acquired in healthcare settings, it is primarily an airborne infection and not typically classified as a common nosocomial illness in the same way as UTIs, pneumonia, or surgical site infections. UTIs (often catheter-associated), pneumonia (especially ventilator-associated), and surgical site infections are among the most frequent types of healthcare-associated infections.
Question 4: Which of the following is not a nosocomial infection risk factor?
- Chronic diseases
- Immunosuppression
- Extremes of age
- Limited use of antibiotics (Correct answer)
Correct answer: Limited use of antibiotics
Limited use of antibiotics is generally a protective factor against nosocomial infections, as it reduces the risk of antibiotic resistance and disruption of the patient's normal flora. Conversely, chronic diseases, immunosuppression, and extremes of age (very young or very old) are all significant risk factors because they compromise the patient's immune system or overall health, making them more susceptible to infections.
Question 5: Which of the following is not a common safety measure?
- Immunization (Correct answer)
- Hand washing
- Cleaning and sterilization
- Proper disposal of the infectious hospital waste
Correct answer: Immunization
Immunization is a crucial public health measure for preventing infectious diseases, but it is not typically categorized as a 'common safety measure' in the context of daily infection control practices within a healthcare facility. Hand washing, cleaning and sterilization of equipment, and proper disposal of infectious waste are fundamental and routine safety measures implemented constantly to prevent the spread of pathogens.
Question 6: What standard precaution is considered to be the most crucial?
- Isolation
- Hand washing (Correct answer)
- Environmental disinfection
- Disinfection of equipment
Correct answer: Hand washing
Hand washing is universally recognized as the single most important and effective standard precaution for preventing the spread of infections in healthcare settings. Proper hand hygiene physically removes or inactivates transient microorganisms acquired during patient care. This action effectively breaks the chain of infection transmission between patients, healthcare workers, and the environment.
Question 7: Hospital infection control procedures under investigation?
- Strain typing
- Routine monitoring
- Occurrence of outbreaks
- All of the above (Correct answer)
Correct answer: All of the above
Investigating hospital infection control procedures involves a comprehensive approach. This includes routine monitoring of infection rates to identify trends, strain typing to determine the source and spread of specific pathogens during outbreaks, and thorough investigation of outbreaks themselves to implement corrective measures. All these methods are essential for effective infection control.
Free CRNI Infection Control Questions and Answers 1
The shortest amount of time to identify nosocomial infection is...