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 C
Explanation
Choice A reason: Radioactive iodine treats hyperthyroidism by destroying thyroid tissue, reducing hormone production. It’s contraindicated in hypothyroidism, where hormone replacement is needed instead.
Choice B reason: Sumatriptan, a serotonin agonist, treats migraines by constricting blood vessels. It has no role in hypothyroidism, which requires thyroid hormone supplementation.
Choice C reason: Levothyroxine replaces deficient thyroid hormone in hypothyroidism, normalizing metabolism by mimicking T4, addressing symptoms like fatigue and weight gain effectively.
Choice D reason: Levofloxacin, an antibiotic, fights bacterial infections but doesn’t address hypothyroidism’s hormonal deficiency, making it irrelevant to this condition’s treatment.
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