A client is brought to the emergency department with symptoms of a cerebrovascular accident (CVA). The nurse would anticipate which diagnostic evaluation to be completed prior to initiation of treatment?
Prothrombin level
Chest x-ray
Brain CT scan or MRI
Lumbar puncture
The Correct Answer is C
A. Prothrombin level: Although checking coagulation levels like prothrombin time may be important, it is not the first-line diagnostic tool for determining the type of stroke (ischemic or hemorrhagic), which is critical for treatment decisions.
B. Chest x-ray: A chest x-ray is not directly related to diagnosing or determining the type of stroke. It may be used for other purposes, such as assessing for respiratory issues, but it is not the priority in stroke diagnosis.
C. Brain CT scan or MRI: A brain CT scan or MRI is the most crucial diagnostic test to perform before initiating treatment for a stroke. This imaging helps differentiate between ischemic and hemorrhagic stroke, guiding the appropriate treatment approach.
D. Lumbar puncture: A lumbar puncture may be used in certain neurological evaluations but is not the first-line test for diagnosing a stroke. It is invasive and not typically performed in the acute setting for stroke evaluation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Diarrhea: Opiates typically cause constipation, not diarrhea. Diarrhea is not a common finding with opiate use.
B. Pinpoint-sized pupils: Opiates commonly cause miosis, or pinpoint pupils. This is a classic sign of opiate use and is important for assessment.
C. Weight gain: Opiate use is not typically associated with weight gain; in fact, it can sometimes lead to decreased appetite and weight loss.
D. Bulimia: Bulimia is an eating disorder characterized by binge eating and purging. It is not a typical effect of opiate use.
Correct Answer is A
Explanation
A. Hematologic spread: Hematologic spread (through the bloodstream) is a common mechanism for metastasis to distant organs like bones and liver. This is the most likely mechanism for the spread described.
B. Lymphatic circulation: Lymphatic spread often leads to regional lymph nodes rather than distant organs like bones and liver.
C. Invasion: Invasion involves local spread into adjacent tissues but does not typically account for distant metastasis.
D. Angiogenesis: Angiogenesis refers to the formation of new blood vessels to supply the tumor, not the mechanism by which cancer cells spread to distant sites.
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