A patient presents to the ER with numbness in the left arm, a severe headache, and trouble speaking. Which of the following diagnostic tests do you anticipate the healthcare provider to order?
CT scan
Hemoglobin and hematocrit
MRI
Pulmonary angiography
The Correct Answer is A
Choice A reason: CT scan rapidly detects ischemic stroke or hemorrhage in the brain, critical for numbness, headache, and speech issues, guiding urgent treatment decisions.
Choice B reason: Hemoglobin and hematocrit assess blood count, not brain pathology like stroke, which requires imaging to identify infarction or bleeding, not anemia.
Choice C reason: MRI offers detailed stroke imaging but is slower than CT, less ideal for acute ER settings needing immediate diagnosis of neurological symptoms.
Choice D reason: Pulmonary angiography evaluates lung vessels for embolism, irrelevant to stroke symptoms (numbness, headache, speech difficulty), which localize to brain issues.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Bedrest post-liver biopsy prevents bleeding by reducing movement and pressure on the puncture site, a standard protocol, so this statement is correct.
Choice B reason: Lying on the right side, not left, applies pressure to the liver biopsy site (right upper quadrant), preventing bleeding. Left-side positioning is incorrect and risky.
Choice C reason: Stopping warfarin, an anticoagulant, a week prior reduces bleeding risk during biopsy, a necessary step, making this statement accurate and appropriate.
Choice D reason: Liver biopsy diagnoses cancer by examining tissue for malignant cells, confirming the procedure’s purpose, so this statement aligns with clinical intent.
Correct Answer is A
Explanation
Choice A reason: Weighing assesses fluid status pre-dialysis, guiding ultrafiltration goals in peritoneal dialysis to remove excess fluid safely, the priority for efficacy and safety.
Choice B reason: High Fowler’s aids breathing but isn’t critical pre-dialysis; semi-Fowler’s is used during, not before, making this secondary to weight assessment.
Choice C reason: Pain medication eases discomfort during dialysis but isn’t the priority; weight determines fluid removal needs first, ensuring treatment accuracy.
Choice D reason: Trendelenburg position aids hypotension, not routine pre-dialysis preparation, irrelevant to starting peritoneal dialysis compared to weight’s foundational role.
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