Nokea
Histochemical staining used for diagnosing Hirschsprung's disease is
- A. Acetyl choline esterase
- B. Dopamine
- C. Glutamate
- D. Chromogranin and synaptophysin
Correct Answer: A
Rationale: Acetylcholine esterase staining is used to diagnose Hirschsprung's disease by identifying the absence of ganglion cells.
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The following causes of short stature respond to growth hormone:
- A. Turner's syndrome
- B. Panhypopituitarism
- C. Achondroplasia
- D. Social deprivation
Correct Answer: A
Rationale: Turner's syndrome is a condition that responds to growth hormone therapy. Panhypopituitarism also responds, but Achondroplasia and social deprivation do not.
Common causes of jaundice in a 12-hour-old neonate include:
- A. Glucose-6-phosphate dehydrogenase deficiency
- B. Rhesus isoimmunisation
- C. Crigler-Najjar syndrome type II
- D. Choledochal cyst
Correct Answer: B
Rationale: Rhesus isoimmunisation can cause severe hemolysis in neonates, leading to early-onset jaundice within the first 12 hours of life.
Initial tests in a 2-year-old child with failure to thrive include:
- A. Thyroid function tests
- B. Sweat test
- C. Urine culture
- D. Colonoscopy
Correct Answer: B
Rationale: a sweat test is crucial for diagnosing cystic fibrosis, a common cause of failure to thrive in children. The other tests (a-d) are less specific and not typically first-line for this presentation.
Patients who have undergone surgery entailing the use of cardiopulmonary bypass should be watched carefully for
- A. epilepsy disabilities
- B. learning disabilities
- C. anemia
- D. arrhythmias
Correct Answer: D
Rationale: Arrhythmias are a common complication after cardiopulmonary bypass surgery.
A client with Cushing's syndrome is recovering from an elective laparoscopic procedure. Which assessment finding warrants immediate intervention by the nurse?
- A. Irregular apical pulse
- B. Purple marks on the skin of the abdomen
- C. Quarter size blood spot on dressing
- D. Pitting ankle edema
Correct Answer: A
Rationale: An irregular apical pulse could indicate cardiac complications, which are a risk in clients with Cushing's syndrome due to fluid and electrolyte imbalances.