When explaining normal intracranial pressure (ICP) balance to the patient's family, which three components would the nurse include?
Glucose level, BP, and brain tissue
BP, brain tissue, and cerebrospinal fluid
BP, brain tissue, body mass index
BP, brain tissue, and ventricles of the brain
The Correct Answer is B
A. Glucose level, BP, and brain tissue: Glucose level is not a key component of ICP balance.
B. BP, brain tissue, and cerebrospinal fluid: These are the primary components that contribute to ICP balance. Changes in any of these can affect pressure inside the skull.
C. BP, brain tissue, body mass index: BMI is not directly related to ICP balance.
D. BP, brain tissue, and ventricles of the brain: The ventricles are involved in cerebrospinal fluid production but are not one of the primary components of ICP balance as a whole.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Hyperopia (farsightedness) causes difficulty seeing close objects.
B. Myopia, or nearsightedness, causes difficulty seeing distant objects clearly while nearby objects remain clear.
C. Astigmatism results in blurred vision at all distances due to an irregularly shaped cornea.
D. Presbyopia is age-related difficulty in focusing on near objects due to lens rigidity.
Correct Answer is D
Explanation
A. BP 126/54 mm Hg, pulse 58 beats/min, respirations 10 breaths/min - While the low pulse and respirations should be assessed, this blood pressure isn't as concerning.
B. BP 112/56 mm Hg, pulse 98 beats/min, respirations 28 breaths/min - These vital signs are within a safer range compared to the critical changes in D.
C. BP 129/65 mm Hg, pulse 60 beats/min, respirations 20 breaths/min - These are stable vital signs.
D. The BP of 172/54 mm Hg, combined with bradycardia (pulse of 58 beats/min) and hypoventilation (respirations of 10 breaths/min), is indicative of Cushing's triad, a late sign of increased intracranial pressure, which is an emergency requiring immediate attention.
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