A client has been admitted with a head injury from a motor vehicle accident. Vital signs on admission were BP 120/80 mm Hg and pulse 88. Which vital signs would indicate that Cushing's triad was occurring?

BP 170/64 pulse 58

BP 180/90, pulse 96

BP 110/70, pulse 100

BP 100/60, pulse 54

Answer and Explanation

The Correct Answer is A

A. BP 170/64, pulse 58: Cushing's triad includes increased systolic blood pressure with widened pulse pressure, bradycardia, and irregular respirations, indicating increased intracranial pressure.

B. BP 180/90, pulse 96: Hypertension is present, but the elevated pulse does not align with bradycardia seen in Cushing's triad.

C. BP 110/70, pulse 100: These values do not reflect the classic signs of Cushing's triad.

D. BP 100/60, pulse 54: While bradycardia is present, hypotension does not align with Cushing’s triad.

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Correct Answer is C

Explanation

A. Atrial tachycardia: Atrial tachycardia is a rapid heart rhythm originating from the atria, but it does not have the characteristic "sawtooth" pattern seen in atrial flutter.

B. Ventricular fibrillation: Ventricular fibrillation is a chaotic rhythm originating from the ventricles, characterized by irregular, rapid waves with no discernible P waves or QRS complexes.

C. Atrial flutter: Atrial flutter is recognized by a "sawtooth" pattern of P waves, indicating rapid atrial depolarizations.

D. Sinus bradycardia: Sinus bradycardia is a slow but regular rhythm originating from the sinus node, with normal P waves and QRS complexes.

A. Urine glucose, high B. Urine specific gravity, 1.001 C. Urine output, 50 ml/hr D. Urine protein, high

Correct Answer is B

Explanation

A. Urine glucose, high: High urine glucose would suggest hyperglycemia, typically seen in diabetes mellitus, not diabetes insipidus.

B. Urine specific gravity, 1.001: Diabetes insipidus results in excessive urine output with a low specific gravity (dilute urine), reflecting the inability to concentrate urine.

C. Urine output, 50 ml/hr: This is a relatively low urine output, which does not indicate diabetes insipidus. Diabetes insipidus is characterized by very high urine output, often greater than 3 liters per day.

D. Urine protein, high: High urine protein could suggest kidney disease or glomerular injury, not diabetes insipidus.

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A client has been admitted with a head injury from a motor vehicle accident. Vital signs on admission were BP 120/80 mm Hg and pulse 88. Which vital signs would indicate that Cushing's triad was occurring?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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