Which of the following statements about encephalitis is true?
Encephalitis is caused exclusively by bacterial infections.
Encephalitis is an inflammatory condition of the brain.
The primary symptom of encephalitis is muscle pain.
Encephalitis is always a mild condition that resolves without treatment.
The Correct Answer is B
A. Encephalitis is most often caused by viral infections, not exclusively bacterial.
B. Encephalitis is inflammation of the brain tissue, typically due to infection or autoimmune processes.
C. Muscle pain may occur but is not the primary symptom; neurological symptoms like headache, fever, confusion, and seizures are more common.
D. Encephalitis can be severe and life-threatening, requiring prompt medical treatment.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Weight should be measured consistently at the same time each day, ideally in the morning before eating, to accurately monitor fluid retention; subtracting food weight is not practical or accurate.
B. Gradual increase in activity is important for clients with heart failure, as long as it does not cause shortness of breath (dyspnea). This helps improve functional capacity safely.
C. A weight loss of 0.1 kg (1 lb) is not usually concerning; rapid weight gain (e.g., 2-3 pounds in a day or 5 pounds in a week) is more significant and should be reported.
D. Consistency in timing and frequency of weighing is critical; daily weighing at the same time helps detect fluid retention early.
Correct Answer is B
Explanation
A. Hypertrophy increases oxygen demand but does not improve cardiac function; it typically worsens ejection fraction.
B. Hypertrophy and remodeling initially help compensate but over time lead to inefficient heart muscle with poor contractility and increased oxygen demand, contributing to worsening heart failure.
C. Hypertrophy and remodeling increase, not reduce, workload, and do not resolve heart failure.
D. Contractility often declines and oxygen demand increases, contrary to this statement.
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