A nurse is teaching a group of parents about the chain of infection. Which of the following statements by one of the parents indicates a need for further teaching?
"The infectious agent is the microorganism that causes the disease."
"The reservoir is where the microorganism lives and grows."
"The portal of exit is how the microorganism enters the body of the host."
"The susceptible host is someone who is at risk for getting the infection."
The Correct Answer is C
Choice A reason: This is a correct statement. The infectious agent is the microorganism that causes the disease, such as bacteria, viruses, fungi, or parasites.
Choice B reason: This is a correct statement. The reservoir is where the microorganism lives and grows, such as humans, animals, plants, soil, or water.
Choice C reason: This is an incorrect statement. The portal of exit is how the microorganism leaves the body of the reservoir, not how it enters the body of the host. The portal of entry is how the microorganism enters the body of the host.
Choice D reason: This is a correct statement. The susceptible host is someone who is at risk for getting the infection, such as children, elderly, immunocompromised, or malnourished people.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
Choice A reason: A white blood cell count (WBC) of 12,000/mm3 is within the normal range for children aged 2 to 6 years. A WBC count above this range may indicate an infection or inflammation.
Choice B reason: An erythrocyte sedimentation rate (ESR) of 40 mm/h is elevated for children aged 2 to 6 years. The normal range for this age group is 0 to 20 mm/h. An ESR above this range may indicate an infection or inflammation.
Choice C reason: A C-reactive protein (CRP) level of 8 mg/L is elevated for children aged 2 to 6 years. The normal range for this age group is less than 1 mg/L. A CRP level above this range may indicate an infection or inflammation.
Choice D reason: A blood culture positive for Staphylococcus aureus indicates a bacterial infection in the bloodstream. This can be a serious condition that requires prompt treatment with antibiotics.
Choice E reason: A urine culture negative for Escherichia coli indicates no bacterial infection in the urinary tract. This is a normal finding that does not require further action.
Correct Answer is ["A","B","C","E"]
Explanation
Choice A reason: This is a correct action. The nurse should administer oral rehydration solution as prescribed to prevent dehydration and electrolyte imbalance.
Choice B reason: This is a correct action. The nurse should monitor the child's weight and intake and output to assess fluid status and hydration level.
Choice C reason: This is a correct action. The nurse should isolate the child from other children in the unit to prevent transmission of rotavirus, which is highly contagious.
Choice D reason: This is an incorrect action. The nurse does not need to collect stool specimens for culture and sensitivity, because rotavirus gastroenteritis is diagnosed by antigen detection tests or polymerase chain reaction (PCR) tests.
Choice E reason: This is a correct action. The nurse should teach the parents about proper hand hygiene to prevent infection and cross-contamination.
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