A nurse is teaching a group of parents about the chain of infection and how to prevent it. The nurse should explain that the first link in the chain of infection is which of the following?

Infectious agent

Reservoir

Portal of exit

Mode of transmission

Answer and Explanation

The Correct Answer is A

Choice A reason: This is the correct answer, as the infectious agent is the microorganism that causes the infection, such as bacteria, viruses, fungi, or parasites.

Choice B reason: This is not the correct answer, as the reservoir is the second link in the chain of infection. It is the place where the infectious agent lives and grows, such as humans, animals, plants, soil, or water.

Choice C reason: This is not the correct answer, as the portal of exit is the third link in the chain of infection. It is the way that the infectious agent leaves the reservoir, such as through body fluids, skin, mucous membranes, or respiratory tract.

Choice D reason: This is not the correct answer, as the mode of transmission is the fourth link in the chain of infection. It is the way that the infectious agent travels from one host to another, such as through direct or indirect contact, droplet, airborne, vector, or vehicle transmission.

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Correct Answer is ["A","B","C","E"]

Explanation

Choice A reason: This action should be taken as part of standard precautions, as it helps prevent the transmission of microorganisms through hand contact.

Choice B reason: This action should be taken as part of standard precautions, as it helps prevent the transmission of microorganisms through exposure to blood or body fluids.

Choice C reason: This action should be taken as part of standard precautions, as it helps prevent the transmission of microorganisms through respiratory droplets.

Choice D reason: This action is not part of standard precautions, but rather part of transmission-based precautions. It helps prevent the transmission of microorganisms through direct or indirect contact, airborne, or droplet routes.

Choice E reason: This action should be taken as part of standard precautions, as it helps prevent the transmission of microorganisms through environmental surfaces or objects.

A. "You should wash your hands frequently with soap and water or use alcohol-based hand sanitizer." B. "You should avoid sharing personal items such as toothbrushes, towels, or utensils with others." C. "You should cover your mouth and nose with a tissue or your elbow when you cough or sneeze." D. "You should get vaccinated against common infectious diseases such as measles, mumps, rubella, and chickenpox."

Correct Answer is D

Explanation

Choice A reason: This statement by the nurse would be appropriate to include in the teaching, as it helps prevent the transmission of microorganisms through hand contact.

Choice B reason: This statement by the nurse would be appropriate to include in the teaching, as it helps prevent the transmission of microorganisms through personal items.

Choice C reason: This statement by the nurse would be appropriate to include in the teaching, as it helps prevent the transmission of microorganisms through respiratory droplets.

Choice D reason: This statement by the nurse would be most appropriate to include in the teaching, as it helps prevent the occurrence and spread of common infectious diseases that can cause serious complications or death. Vaccination is one of the most effective ways to protect oneself and others from CAIs.

Questions on Standard and transmission-based precautions

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A nurse is teaching a group of parents about the chain of infection and how to prevent it. The nurse should explain that the first link in the chain of infection is which of the following?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is implementing standard precautions for all patients in a pediatric unit. What actions should the nurse take as part of standard precautions? (Select all that apply.)

Correct Answer is ["A","B","C","E"]

Explanation

A nurse is educating a child and family about how to prevent community-acquired infections (CAIs). Which of the following statements by the nurse would be most appropriate to include in the teaching?

Correct Answer is D

Explanation

A nurse is educating a child and family about how to prevent health care-associated infections (HAIs). Which of the following statements by the nurse would be most appropriate to include in the teaching? (Select all that apply.)

A nurse is caring for a patient who has influenza. What type of transmission-based precautions should the nurse implement for this patient?

A nurse is caring for a child who has a health care-associated infection (HAI). What factors may have contributed to the development of this type of infection? (Select all that apply.)

A nurse is caring for a patient who has a methicillin-resistant Staphylococcus aureus (MRSA) infection. Which of the following actions should the nurse take to prevent cross-contamination?

A nurse is caring for a child who has a community-acquired infection (CAI). Which of the following actions should the nurse take to prevent the spread of infection to other patients or healthcare workers?

A nurse is caring for a patient who has Clostridium difficile infection (CDI). What type of transmission-based precautions should the nurse implement for this patient?

A nurse is implementing infection control measures for a child who has chickenpox. What statement by the nurse would be most appropriate to educate the child and family about this condition?

A nurse is implementing transmission-based precautions for a patient who has measles. What type of personal protective equipment (PPE) should the nurse wear when entering the patient's room?