(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 ["A","C","D","E"]
Explanation
Choice A rationale:
Monitoring vital signs, pain level, and neurological status is important to assess the client's overall condition and response to treatment.
Choice B rationale:
Isolating the patient until all lesions are crusted over is not necessary for shingles, as it is not as highly contagious as chickenpox.
Choice C rationale:
Educating the patient and family about the disease process is essential to help them understand the condition, its course, and the necessary measures for management and prevention of complications.
Choice D rationale:
Encouraging oral hygiene and a soft diet is important, especially if the patient has oral lesions, to promote comfort and prevent secondary infections.
Choice E rationale:
Administering medications as prescribed, such as antiviral medications, can help reduce the severity and duration of the shingles outbreak.
Correct Answer is B
Explanation
Choice A rationale:
Stating that "chickenpox is not contagious once the fever is gone" is incorrect information. Chickenpox is still contagious until all the lesions are crusted over.
Choice B rationale:
The statement "You can spread the virus by scratching the lesions" is accurate. Scratching the chickenpox lesions can cause the fluid from the blisters to be released, and this fluid contains the varicella-zoster virus, which can then infect others.
Choice C rationale:
Stating that "chickenpox can only be transmitted through respiratory droplets" is incorrect. While respiratory droplets are a common mode of transmission, direct contact with the fluid from the lesions is also a significant mode of transmission.
Choice D rationale:
Saying that "the virus can survive on surfaces for up to 24 hours" is incorrect. The varicella-zoster virus is relatively fragile and cannot survive for extended periods on surfaces outside the body. It is primarily transmitted through direct contact or respiratory droplets.
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