Nokea
Hepatitis C virus infection is a risk factor for which of the following malignancy?
- A. hepatoblastoma
- B. splenic lymphoma
- C. Hodgkin lymphoma
- D. nasopharyngeal carcinoma
Correct Answer: B
Rationale: Hepatitis C is a known risk factor for splenic lymphoma and other B-cell lymphoproliferative disorders.
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The least common late neurologic sequelae that may be encountered post craniospinal irradiation in a 9-year-old child with medulloblastoma is
- A. microcephaly
- B. learning disabilities
- C. cognitive impairment
- D. second malignancy
Correct Answer: D
Rationale: Second malignancy is a rare late effect compared to cognitive and learning impairments.
A nurse is counseling parents of a child beginning to show signs of being overweight. The nurse accurately relates which body mass index (BMI)-for-age percentile indicates a risk for being overweight?
- A. 10th percentile
- B. 9th percentile
- C. 85th percentile
- D. 95th percentile
Correct Answer: D
Rationale: The body mass index (BMI)-for-age percentile indicating a risk for being overweight is the 95th percentile. This means that if a child's BMI falls at or above the 95th percentile for their age group, they are classified as overweight. This percentile is used as a cutoff point to identify children at risk of being overweight and to guide intervention strategies such as lifestyle changes, increased physical activity, and dietary modifications. Parents should work with healthcare providers to address their child's weight status and implement appropriate measures to promote a healthy lifestyle.
The nurse is preparing a client with systemic lupus erythematosus (SLE) for discharge. Which instruction should the nurse include in the teaching plan?
- A. Exposure to sunlight will help control skin rashes.
- B. There are no activity limitations between flare-ups.
- C. Monitor body temperature
- D. Corticosteroids may be stopped when symptoms are relieved.
Correct Answer: C
Rationale: Monitoring body temperature is important in clients with systemic lupus erythematosus (SLE) because fever can indicate an infection or a disease flare-up. Clients with SLE are at higher risk of infections due to their compromised immune system, and fever can be a sign of an underlying issue that needs prompt attention. It is essential for the nurse to educate the client about monitoring body temperature regularly and seeking medical advice if there is a sudden increase in temperature.
Prenatal screening is recommended for all pregnant women to detect neural tube defect. If a neural tube defect is present, one of the following is often elevated
- A. human chorionic gonadotropin
- B. a-fetoprotein
- C. estriol
- D. inhibin
Correct Answer: B
Rationale: Alpha-fetoprotein (AFP) levels are elevated in maternal serum when a neural tube defect is present due to fetal leakage of AFP into the amniotic fluid and maternal circulation.
. A client is admitted to the health care facility for evaluation for Addison's disease. Which laboratory test result best supports a diagnosis of Addison's disease?
- A. Blood urea nitrogen (BUN) level of
- B. Serum sodium level of 134 mEq/L
- C. Serum potassium level of 5.8 mEq/L
- D. Blood glucose level of 90 mg/dl
Correct Answer: C
Rationale: Addison's disease, also known as adrenocortical insufficiency, is characterized by a deficiency in adrenal cortex hormones, particularly glucocorticoids and mineralocorticoids. One of the characteristic findings in Addison's disease is hyperkalemia, which is an elevated serum potassium level. This is due to the lack of aldosterone production by the adrenal glands, leading to decreased potassium excretion by the kidneys. Therefore, a serum potassium level of 5.8 mEq/L would best support a diagnosis of Addison's disease among the given laboratory test results.