Which of the following is an example of a reservoir in the chain of infection?

Hand hygiene

Wearing personal protective equipment (PPE)

Proper disposal of sharps

A contaminated surface

Answer and Explanation

The Correct Answer is D

A.   Hand hygiene: Hand hygiene is a measure to break the chain of infection by reducing the number of microorganisms on hands. It is not a reservoir of infection.
B.   Wearing personal protective equipment (PPE): PPE is used to protect healthcare workers and patients from exposure to infectious agents. It does not serve as a reservoir for infection.
C.   Proper disposal of sharps: Proper disposal of sharps is important to prevent needlestick
injuries and transmission of bloodborne pathogens but does not represent a reservoir of infection.
D.   A contaminated surface: A contaminated surface can serve as a reservoir for infectious agents.
Reservoirs are places where infectious agents can survive and multiply, posing a risk of transmission to susceptible individuals.

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Correct Answer is B

Explanation

A. Dry, occasional cough: A dry, occasional cough is a common symptom of upper respiratory infections and may not necessarily indicate a complication.
B. Temperature or Febrile 103 degrees F (39.4 degrees C): A high fever (over 100.4 degrees F or 38 degrees C) is a concerning symptom that may indicate the development of a complication such as pneumonia or a secondary bacterial infection.
C. Clear, watery drainage from the nose: Clear, watery drainage from the nose is typically associated with viral upper respiratory infections and may not necessarily indicate a complication.
D. Scratchy throat: A scratchy throat is a common symptom of upper respiratory infections and may not necessarily indicate a complication.

A. Povidone-iodine B. Alcohol-based antiseptic C. Chlorhexidine D. Soap and water

Correct Answer is D

Explanation

A. Povidone-iodine: Povidone-iodine is an antiseptic agent used for skin disinfection but is not recommended for routine hand hygiene, especially in cases of Clostridium difficile infection.

B. Alcohol-based antiseptic: While alcohol-based hand sanitizers are effective for most routine hand hygiene situations, they may not be sufficient for removing spores of Clostridium difficile. Soap and water are preferred for hand hygiene in cases of C. difficile infection.
C. Chlorhexidine: Chlorhexidine is an antiseptic agent commonly used for skin disinfection, but like alcohol-based hand sanitizers, it may not effectively remove C. difficile spores. Soap and water are preferred.

D. Soap and water: Soap and water are recommended for hand hygiene in cases of Clostridium difficile infection because mechanical friction from hand washing helps physically remove
spores from the hands.

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Which of the following is an example of a reservoir in the chain of infection?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is B

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Correct Answer is D

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