(ATI/HESI MCQ) Which laboratory test is useful in confirming the diagnosis of chickenpox?
Complete Blood Count (CBC)
Stool culture.
Tzanck smear and viral culture from vesicle fluid.
Urinalysis.
The Correct Answer is C
Choice A rationale:
Complete Blood Count (CBC) is not useful in confirming the diagnosis of chickenpox. CBC provides information about the number and types of blood cells but is not specific to chickenpox diagnosis.
Choice B rationale:
Stool culture is not relevant in confirming the diagnosis of chickenpox. Stool culture is used to identify gastrointestinal infections, and it is not associated with chickenpox.
Choice C rationale:
Tzanck smear and viral culture from vesicle fluid are useful in confirming the diagnosis of chickenpox. Tzanck smear involves taking a sample from the vesicle and staining it to identify multinucleated giant cells, which are characteristic of varicella-zoster virus (VZV) infection. Viral culture involves growing the VZV in a lab to confirm the presence of the virus.
Choice D rationale:
Urinalysis is not relevant in confirming the diagnosis of chickenpox. Urinalysis is used to assess kidney function and detect urinary tract infections, but it does not help in diagnosing chickenpox.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Pregnant women should receive the Tdap vaccine during each pregnancy. This is a correct statement as vaccination during pregnancy helps provide protection to both the mother and the newborn against tetanus, diphtheria, and pertussis.
Choice B rationale:
The recommended vaccination schedule for adults includes a single dose of Tdap (tetanus, diphtheria, and acellular pertussis) vaccine, followed by a Td (tetanus and diphtheria) booster every 10 years. Three doses of DTP vaccine during adulthood are not part of the recommended schedule.
Choice C rationale:
Tetanus prophylaxis should be given to patients with all types of wounds, not just severe wounds. This statement is incorrect.
Choice D rationale:
The Tdap vaccine is not administered every 5 years during adulthood. As mentioned earlier, adults receive a single dose of Tdap and then a Td booster every 10 years.
Correct Answer is ["A","B"]
Explanation
Choice A rationale:
(Correct) Excluding infected individuals from school or work until all lesions are crusted over is an important measure in preventing the spread of chickenpox. This helps to reduce the risk of transmission to others.
Choice B rationale:
(Correct) Practicing good hand hygiene is essential to prevent the spread of the varicella-zoster virus, which causes chickenpox and shingles. Regular handwashing helps reduce the likelihood of virus transmission through contact with contaminated surfaces or infected individuals.
Choice C rationale:
(Incorrect) Sharing personal items such as towels with infected individuals can increase the risk of spreading the virus. It is crucial for the nurse to discourage such practices during the community class.
Choice D rationale:
(Incorrect) While reporting cases of chickenpox or shingles to local health authorities is important for surveillance purposes, it is not a preventive measure for individual protection.
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