Which medical condition places a patient at a higher risk for an embolic stroke?
Diabetes
Hypothyroidism
Heart failure
Atrial fibrillation
The Correct Answer is D
A. Diabetes is not primary risk factors for embolic strokes, although it can increase the risk for other types of cardiovascular events.
B. Hypothyroidism is not primary risk factors for embolic strokes, although it can increase the risk for other types of cardiovascular events.
C. Heart failure also increases the risk for stroke, but atrial fibrillation is a stronger risk factor for embolic stroke.
D. Atrial fibrillation significantly increases the risk of embolism because it causes blood to pool in the atria, which can form clots that may travel to the brain, causing a stroke.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is A
Explanation
A. Flashes of light and floaters are common early symptoms of retinal detachment as the retina begins to pull away from the underlying tissue.
B. Retinal detachment is usually painless; pain with eye movement is more associated with other eye conditions.
C. Increased glare is not typically associated with retinal detachment but may occur in cataracts.
D. Redness is usually a sign of conjunctivitis, not retinal detachment.
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