Which of the following is true about hydrocephalus?
It is a normal variation in brain anatomy.
It is a decrease in fluid in the deep cavities of the brain.
It is a condition caused by inflammation of the brain tissue.
It is manifested by ventricular enlargement due to the accumulation of fluid.
The Correct Answer is D
A. Hydrocephalus is not a normal variation — it is a neurological disorder that requires medical attention.
B. Hydrocephalus is caused by an increase, not a decrease, in cerebrospinal fluid (CSF) in the brain's ventricles.
C. While inflammation (like meningitis) can lead to hydrocephalus, the condition itself is not defined by brain tissue inflammation.
D. Hydrocephalus is characterized by an abnormal buildup of CSF in the brain’s ventricles, leading to ventricular enlargement and increased intracranial pressure. This can be due to obstruction, poor absorption, or overproduction of CSF.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Cerebrospinal fluid leakage is important to note but not the immediate priority.
B. Assessing for neck injury is crucial but airway management takes precedence to prevent life-threatening hypoxia.
C. Ensuring airway patency is the highest priority in trauma care to maintain oxygenation and ventilation, which are vital for survival.
D. Neurological assessment with the Glasgow Coma Scale is important but comes after securing airway, breathing, and circulation.
Correct Answer is D
Explanation
A. Furosemide typically causes hypokalemia (low potassium), not hyperkalemia.
B. There is no such thing as a potassium allergy; this statement is incorrect.
C. Furosemide does not increase potassium levels; it promotes potassium excretion.
D. Furosemide is a loop diuretic that increases the excretion of potassium in urine, so patients often require potassium supplementation to prevent hypokalemia.
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