Hypoglycemia in an infant is defined as whole blood glucose level less than
- A. 40 mg/dl
- B. 50 mg/dl
- C. 60 mg/dl
- D. 80 mg/dl
Correct Answer: A
Rationale: Hypoglycemia in infants is defined as a whole blood glucose level less than 40 mg/dl, as this threshold is critical for brain function.
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The following statements are true:
- A. Unexplained vaginal discharge in a 3-year-old might be a sign of sexual abuse
- B. Spiral fracture of femur is always non-accidental
- C. Retinal bleeding in a 3-month-old unconscious baby is a sign of 'shaken baby' syndrome
- D. Bruises on the elbows and knees in a 4-year-old are suggestive of physical abuse
Correct Answer: C
Rationale: Retinal bleeding in a 3-month-old unconscious baby is a sign of 'shaken baby' syndrome: Retinal bleeding in infants, especially with other signs of physical abuse, is a key indicator of 'shaken baby' syndrome.
Causes of non-bloody diarrhoea include:
- A. Shigella dysentery
- B. Campylobacter jejuni
- C. Giardia lamblia
- D. Salmonella
Correct Answer: C
Rationale: Giardia lamblia is a common cause of non-bloody diarrhoea. Shigella and Campylobacter typically cause bloody diarrhoea.
Which of the following features favor a diagnosis of restrictive cardiomyopathy over constrictive pericarditis?
- A. Elevated pulmonary artery pressures
- B. Normal BNP levels
- C. Annulus reversus
- D. Ventricular interdependence
Correct Answer: A
Rationale: Restrictive cardiomyopathy is associated with elevated pulmonary artery pressures
An adult female client is diagnosed with restless leg syndrome and is referred to the sleep clinic. The healthcare provider prescribes ferrous sulfate (Feosol) 325 mg PO daily. Which laboratory values should the nurse monitor?
- A. Serum electrolytes
- B. Neutrophils and eosinophils
- C. Serum iron and ferritin
- D. Platelet count and hematocrit
Correct Answer: C
Rationale: Serum iron and ferritin levels should be monitored because they are indicators of iron deficiency, which is a common cause of restless leg syndrome.
Dubowitz criteria to assess gestational age include:
- A. Skin colour
- B. Breast tissue
- C. Popliteal angle
- D. Moro reflex
Correct Answer: B
Rationale: Breast tissue is one of the criteria used in the Dubowitz assessment to estimate gestational age. Skin colour, popliteal angle, and Moro reflex are not part of the Dubowitz criteria.
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