Which of the following statements is true regarding the consequences of brainstem compression?
Brainstem compression primarily affects the cardiovascular system.
Compression of the brainstem can result in respiratory arrest due to compression of the respiratory control center in the medulla.
Brainstem compression primarily affects the gastrointestinal system.
Brainstem compression has no effect on respiratory function.
The Correct Answer is B
A. While the brainstem does influence cardiovascular function, brainstem compression affects multiple critical systems, not just cardiovascular.
B. The medulla oblongata in the brainstem contains the respiratory control centers. Compression can disrupt respiratory drive, leading to respiratory arrest, making this the correct answer.
C. The gastrointestinal system is not primarily affected by brainstem compression.
D. This is false, as brainstem compression severely affects respiratory function due to involvement of respiratory centers.
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Related Questions
Correct Answer is C
Explanation
A. Hyperthermia, increased thirst, and polyuria are not related to Cushing's Triad; these symptoms suggest other conditions such as diabetes insipidus.
B. Confusion, blurred vision, and dizziness are nonspecific symptoms and do not define Cushing’s Triad.
C. Cushing's Triad is a classic neurologic emergency that indicates increased intracranial pressure. It is characterized by the triad of bradycardia (slow heart rate), decreased or irregular respirations, and hypertension (high blood pressure). This response is the body’s attempt to maintain cerebral perfusion in the face of rising intracranial pressure.
D. Tachycardia, shallow respirations, and hypotension are not consistent with Cushing’s Triad.
Correct Answer is D
Explanation
A. 20-30 mmHg is above the normal range and indicates elevated ICP, which can be dangerous.
B. 40-50 mmHg is critically high and requires urgent medical intervention.
C. 50-100 mmHg is dangerously high and not compatible with normal brain function.
D. Normal intracranial pressure ranges from 5 to 15 mmHg. Values within this range indicate normal pressure within the skull, allowing for proper brain perfusion and function.
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