Nokea
Nurse Betina should begin screening for lead poisoning when a child reaches which age?
- A. 6 months
- B. 12 months
- C. 18 months
- D. 24 months
Correct Answer: B
Rationale: Screening for lead poisoning typically begins at 12 months, as children at this age are more likely to be exposed to lead through crawling and hand-to-mouth activities.
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An 18-months old infant weighing 10 kg develops an acute anaphylactic reaction with bronchospasm towards antibiotic injection. What is the most appropriate initial treatment?
- A. Inj. Hydrocortisone 100 mg IV stat
- B. Inj. Epinephrine 0.1 mg IV / IM stat
- C. Inj. Epinephrine 0.01 mg IV/IM stat
- D. Nebulization Salbutamol + oxygen
Correct Answer: C
Rationale: The most appropriate initial treatment for anaphylaxis in a child is intramuscular epinephrine at a dose of 0.01 mg/kg, which is 0.1 mg for a 10 kg child.
Long-chain triglyceride absorption requires:
- A. Intraluminal bile salts
- B. Mixed micelle formation
- C. Intraluminal trypsin
- D. Intact duodenum
Correct Answer: B
Rationale: Mixed micelle formation: The absorption of long-chain triglycerides requires bile salts to form mixed micelles, which facilitate the transport of lipids across the intestinal mucosa.
A 15-year-old female reports fainting at school in class on two occasions. The adolescent's orthostatic blood pressures are normal. The primary care pediatric nurse practitioner suspects a cardiac cause for these episodes and will order which tests before referring her to a pediatric cardiologist?
- A. 12-lead electrocardiogram
- B. Echocardiogram
- C. Tilt table testing
- D. Treadmill exercise testing
Correct Answer: A
Rationale: A 12-lead ECG is useful for initial evaluation.
Which finding would alert a nurse that a hospitalized 6-year-old child is at risk for a severe asthma exacerbation?
- A. Oxygen saturation of 95%
- B. Mild work of breathing
- C. Absence of intercostals or substernal retractions
- D. History of steroid-dependent asthma
Correct Answer: D
Rationale: A history of steroid-dependent asthma indicates severe asthma, increasing the risk of a life-threatening exacerbation.
Prader Willi syndrome:
- A. Is caused by a maternal deletion of a part of chromosome 15
- B. Presents with macrosomia in infancy
- C. Developmental delay is common
- D. Behavioural problems are common
Correct Answer: C
Rationale: Developmental delay is a common feature of Prader Willi syndrome, along with other symptoms such as hypotonia and feeding difficulties in infancy.