Extracorpuscular causes of haemolysis include:
- A. a-Thalassaemia
- B. Hereditary ovalocytosis
- C. Warm antibody autoimmune haemolytic anaemia
- D. Pyruvate kinase deficiency
Correct Answer: C
Rationale: Warm antibody autoimmune haemolytic anaemia is an extracorpuscular cause of haemolysis. a-Thalassaemia and pyruvate kinase deficiency are intracorpuscular causes.
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Which of the following is the proposed algorithm for the evaluation of causes of r′ in V1 and V2?
- A. Wernicke algorithm
- B. Vereckei algorithm
- C. Brugada algorithm
- D. Baranchuk algorithm
Correct Answer: B
Rationale: The Vereckei algorithm is commonly used for the evaluation of r′ in V1 and V2, helping to differentiate between causes of early repolarization.
A 12-year-old child whose body mass index (BMI) is greater than the 95th percentile has a blood pressure at the 98th percentile for age, sex, and height. After lifestyle changes that include diet and exercise, the child's BMI drops to the 90th percentile, but the blood pressure remains the same. What is the primary care pediatric nurse practitioner's next step in treating this child?
- A. Continued close monitoring of blood pressure
- B. Ordering an echocardiogram
- C. Prescribing an ACE inhibitor medication
- D. Referral to a nephrologist or cardiologist
Correct Answer: D
Rationale: Children who have persistent BP elevation after lifestyle changes are made should be referred to a nephrologist or cardiologist who has experience using antihypertensive agents in children.
The nurse is evaluating a male client’s understanding of diet teaching about the DASH (Dietary Approaches to Stop Hypertension) eating plan. Which behavior indicates that the client is adhering to the eating plan?
- A. Uses only lactose-free dairy products
- B. Enjoys fat free yogurt as an occasional snack food
- C. No longer includes grains in his daily diet
- D. Carefully cleans and peels all fresh fruit and vegetables
Correct Answer: D
Rationale: Cleaning and peeling fruits and vegetables is consistent with the DASH plan, which promotes a high intake of fresh produce.
Cataracts are recognised in:
- A. Hyperthyroidism
- B. Down syndrome
- C. Graves' disease
- D. PKU
Correct Answer: B
Rationale: Cataracts are a recognized feature in Down syndrome. They are not typically associated with Hyperthyroidism, Graves' disease, or PKU.
The following conditions can present in a newborn infant as a bullous eruption:
- A. Syphilis
- B. Mast cell disease
- C. Epidermolysis bullosa
- D. Phenylketonuria
Correct Answer: C
Rationale: Epidermolysis bullosa is a genetic condition causing blistering of the skin. Syphilis and mast cell disease can also cause bullous eruptions, but phenylketonuria does not.