A nurse is caring for a client suspected of having infectious mononucleosis (IM) Which laboratory test is most indicative of IM?
White blood cell count with neutrophils predominance.
Elevated erythrocyte sedimentation rate (ESR)
Positive heterophile antibody test.
Decreased liver function test results.
The Correct Answer is C
Choice A rationale:
A white blood cell count with neutrophils predominance is not indicative of infectious mononucleosis. IM is characterized by an increase in atypical lymphocytes, not neutrophils.
Choice B rationale:
An elevated erythrocyte sedimentation rate (ESR) is a non-specific indicator of inflammation and is not specific to IM. It can be elevated in various conditions.
Choice C rationale:
A positive heterophile antibody test is highly indicative of infectious mononucleosis. This test detects antibodies produced in response to EBV infection and is a hallmark diagnostic test for IM.
Choice D rationale:
Decreased liver function test results are not a primary indicator of infectious mononucleosis. IM primarily affects the lymphatic system and may lead to mild liver enzyme elevations, but decreased liver function is not a typical finding.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Feeling tired is a general symptom and can be caused by various conditions. It is not specific to infectious mononucleosis.
Choice B rationale:
Having a slightly sore throat is a non-specific symptom and can be caused by many factors, not just infectious mononucleosis.
Choice C rationale:
Noticing swelling in the neck glands is a typical symptom of infectious mononucleosis. Enlarged lymph nodes, particularly in the neck, are a characteristic feature of the infection.
Choice D rationale:
Not experiencing changes in appetite is not a specific symptom of infectious mononucleosis. It does not provide relevant information in determining if the client has the infection.
Correct Answer is A
Explanation
Choice A rationale:
In a client with infectious mononucleosis experiencing hepatomegaly (enlarged liver) and jaundice, they are likely to report a yellowish tint in their skin and eyes. Jaundice is a condition characterized by the buildup of bilirubin, a yellow pigment formed from the breakdown of red blood cells, which results in a yellow discoloration of the skin and the whites of the eyes (sclera) This occurs when the liver is unable to process bilirubin effectively, leading to its accumulation in the bloodstream.
Choice B rationale:
Although headaches and dizziness can be associated with various medical conditions, they are not specific symptoms of infectious mononucleosis or related to hepatomegaly and jaundice.
Choice C rationale:
Red spots on the roof of the mouth (palate) are known as petechiae and are often seen in conditions like streptococcal pharyngitis (strep throat) While streptococcal pharyngitis may present similarly to infectious mononucleosis, petechiae are not typically associated with mononucleosis or related to hepatomegaly and jaundice.
Choice D rationale:
Difficulty swallowing due to a sore throat can be a symptom of infectious mononucleosis, as the condition can cause inflammation of the tonsils and the back of the throat. However, this symptom is not directly related to hepatomegaly and jaundice, which are the key features mentioned in the question.
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