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A nurse is assessing a client with a temperature of 38.5°C (101.3°F) and a white blood cell count of 15,000/mm³. Which condition is the client most likely experiencing?

A.

Bacterial infection.

B.

Viral infection.

C.

Fungal infection.

D.

Parasitic infection.

Answer and Explanation

The Correct Answer is A

Choice A rationale

 

Bacterial infection often leads to an elevated white blood cell count (15,000/mm³) and fever (38.5°C). The body’s immune response to bacterial pathogens results in these clinical manifestations.

 

Choice B rationale

 

Viral infections can cause fever, but they typically do not lead to a significant increase in white blood cell count.

 

Choice C rationale

 

Fungal infections can cause fever and elevated white blood cell count, but they are less common and usually occur in immunocompromised individuals.

 

Choice D rationale

 

Parasitic infections can cause fever and elevated white blood cell count, but they are less common and usually present with other specific symptoms.


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View Related questions

Correct Answer is A

Explanation

Choice A rationale

Elevated serum levels of troponin indicate cardiac cellular injury or death. Troponin is a protein released into the bloodstream when heart muscle cells are damaged, such as during a myocardial infarction.

Choice B rationale

Sustained glycogenolysis does not cause elevated troponin levels. Glycogenolysis is the breakdown of glycogen to glucose, primarily occurring in the liver and muscles, not related to troponin release.

Choice C rationale

Acute tubular necrosis does not elevate troponin levels. This condition affects the renal tubules and is typically indicated by elevated creatinine and BUN levels.

Choice D rationale

Troponin is not an acute phase reactant. Acute phase reactants are proteins whose levels change in response to inflammation, such as C-reactive protein (CRP), not troponin.

Correct Answer is C

Explanation

Choice A rationale

Hyperkalemia can cause weakness and fatigue, but it is not directly related to acute coronary syndrome (ACS). ACS is primarily associated with chest pain and other cardiac symptoms.

Choice B rationale

Experiencing chest pain when climbing a flight of stairs may indicate stable angina, which is a form of chronic coronary artery disease. However, it does not meet the criteria for ACS, which involves more severe and persistent symptoms.

Choice C rationale

Persistent and severe chest pain when at rest is a hallmark symptom of acute coronary syndrome (ACS). This condition requires immediate medical attention as it can lead to myocardial infarction (heart attack) or other serious complications.

Choice D rationale

Paroxysmal nocturnal dyspnea (PND) is a symptom of heart failure, not acute coronary syndrome (ACS). While heart failure can coexist with ACS, PND alone does not indicate ACS4.

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