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Which laboratory results (besides hematuria) are most consistent with hemolytic uremic syndrome (HUS)?
- A. Massive proteinuria, elevated BUN and creatinine.
- B. Mild proteinuria, decreased BUN and creatinine.
- C. Mild proteinuria, increased BUN and creatinine.
- D. Massive proteinuria, decreased BUN and creatinine.
Correct Answer: C
Rationale: HUS typically presents with mild proteinuria along with increased BUN and creatinine, reflecting impaired renal function.
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Which of the following is most likely associated with a cerebrovascular accident (CVA) resulting from congenital heart disease?
- A. Polycythemia
- B. Cardiomyopathy
- C. Endocarditis
- D. Low blood pressure
Correct Answer: A
Rationale: Polycythemia, which is an abnormally elevated level of red blood cells in the blood, is commonly associated with congenital heart disease. In cases where there is a congenital heart defect that causes reduced oxygen levels in the blood, the body compensates by producing more red blood cells to try to improve oxygen delivery. This increased red blood cell production can lead to polycythemia. In turn, polycythemia can increase the risk of thrombosis, which is a known risk factor for cerebrovascular accidents (CVAs) or strokes. Therefore, polycythemia is most likely associated with a CVA resulting from congenital heart disease.
HIV antibody testing procedures using a finger stick or venipuncture to obtain whole blood, plasma, or serum, and tests using oral fluid were approved. All the following regarding this test are true EXCEPT
- A. they are simple and accurate as to render the likelihood of an erroneous result by the user negligible
- B. a positive result does not need confirmation by Western blot analysis or immunofluorescence assay
- C. they allow women who have not been tested or are unaware of their HIV status to reduce the risk of mother-to-child transmission of antiretroviral therapy implementation
- D. they significantly reduce the risk of mother-to-child transmission
Correct Answer: B
Rationale: A positive result from rapid HIV tests still requires confirmation with more specific tests like Western blot or immunofluorescence assay.
Children with high-risk neuroblastoma have poor survival. Current treatment consists of all the following EXCEPT
- A. surgery
- B. intensive chemotherapy
- C. radiation
- D. allogenic bone marrow transplantation
Correct Answer: E
Rationale: Differentiating agents like 13-cis-retinoic acid are used instead of allogenic bone marrow transplantation in high-risk neuroblastoma.
The nurse is interviewing a client about his past medical history. Which preexisting condition may lead the nurse to suspect that a client has colorectal cancer?
- A. Duodenal ulcer
- B. Weight gain
- C. Hemorrhoids
- D. Polyps
Correct Answer: D
Rationale: The presence of polyps in the colon is a significant risk factor for developing colorectal cancer. Polyps are abnormal growths in the inner lining of the colon or rectum that can potentially become cancerous over time if left untreated. Therefore, if a client has a history of polyps, the nurse may suspect the possibility of colorectal cancer and should closely monitor the client for any signs or symptoms. While the other conditions listed may sometimes be associated with colorectal cancer, having a history of polyps is the most concerning in this context.
Between 2-6 months of life, all are true about infant sleep EXCEPT
- A. total sleep hours are about 14-16 hr/24 hr
- B. sleeps about 9-10 hr concentrated at night
- C. sleeps 2 naps/day
- D. the sleep cycle time is similar to that of adults
Correct Answer: D
Rationale: Infant sleep cycles are shorter and differ from adult patterns.