Which signs are manifestations of the Cushing triad? Select all that apply.

Bradycardia.

Bradypnea.

Hypertension.

Tachycardia.

Answer and Explanation

Correct Answer : A,B,C

Choice A rationale

Bradycardia (slow heart rate) is one of the key components of Cushing's triad, which indicates increased intracranial pressure and impending herniation.

Choice B rationale

Bradypnea (slow respiratory rate) is another manifestation of Cushing's triad and reflects brainstem compression.

Choice C rationale

Hypertension (high blood pressure) is the third component of Cushing's triad, resulting from the body's attempt to maintain cerebral perfusion.

Choice D rationale

Tachycardia (rapid heart rate) is not a sign of Cushing's triad and is not associated with increased intracranial pressure.

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Correct Answer is C

Explanation

Choice A rationale

Cushing syndrome is not associated with high urine output post-craniotomy. It is related to excessive cortisol production leading to weight gain, hypertension, and other symptoms.

Choice B rationale

Adrenal crisis involves insufficient production of cortisol and aldosterone, leading to symptoms like hypotension, fatigue, and abdominal pain, not high urine output.

Choice C rationale

Arginine vasopressin deficiency (AVP-D), also known as diabetes insipidus, causes the kidneys to excrete large amounts of dilute urine due to lack of ADH, leading to high urine output.

Choice D rationale

Syndrome of inappropriate antidiuretic hormone (SIADH) causes water retention and low urine output due to excess ADH, not the increased urine output seen in the scenario.

A. Dura mater. B. Meninges. C. Pia mater. D. Arachnoid mater.

Correct Answer is B

Explanation

Choice A rationale

The dura mater is the outermost, tough, and fibrous layer of the meninges that provides protection to the brain and spinal cord.

Choice B rationale

Meninges collectively refer to the three layers of protective membranes (dura mater, arachnoid mater, and pia mater) that cover the brain and spinal cord.

Choice C rationale

The pia mater is the delicate innermost layer of the meninges that closely envelopes the brain and spinal cord, providing support and nourishment.

Choice D rationale

The arachnoid mater is the middle layer of the meninges that has a web-like appearance and provides cushioning for the brain and spinal cord.

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Which signs are manifestations of the Cushing triad? Select all that apply.

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Naxlex Comprehensive Predictor Exams

What should the nurse suspect when hourly assessment of urine output on a client post craniotomy exhibits a urine output from a catheter of 1,500 mL for two consecutive hours?

Correct Answer is C

Explanation

Which term describes the fibrous connective tissues that cover the brain and spinal cord?

Correct Answer is B

Explanation

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