Blueberry muffin' lesions seen in rubella is due to
- A. Dermal erythropoiesis
- B. Thrombocytopenia
- C. Ecchymosis
- D. Vasculitis
Correct Answer: A
Rationale: Blueberry muffin' lesions in congenital rubella are due to dermal erythropoiesis, where extramedullary hematopoiesis occurs in the skin.
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Childhood schizophrenia is suggested by:
- A. Disturbance in movement patterns
- B. Persistent thumb sucking
- C. Hallucinations
- D. Infantile autism
Correct Answer: C
Rationale: Hallucinations are a key feature of childhood schizophrenia. Movement disturbances and thumb sucking are nonspecific, and infantile autism is a separate condition.
The following are suggestive of abnormal language development:
- A. Not localising sound at 4 months of age
- B. No response to human words at 6 weeks
- C. Not understanding 'no' at 18 months of age
- D. Does not move to music at 2 years of age
Correct Answer: C
Rationale: Failure to understand simple commands like 'no' by 18 months is a red flag for abnormal language development.
Prior to the patient being given medication, he becomes hypotensive, mottled, and cold. His heart rate is 240. The next therapeutic step should be
- A. digoxin
- B. synchronized DC cardioversion
- C. lidocaine
- D. defibrillation
Correct Answer: B
Rationale: Synchronized DC cardioversion is indicated for unstable tachycardia unresponsive to pharmacological agents.
Recognised features of myotonic dystrophy include:
- A. Phenomenon of anticipation
- B. Muscle pain
- C. Diplopia
- D. Cardiomyopathy
Correct Answer: A
Rationale: The phenomenon of anticipation, where symptoms become more severe or appear at an earlier age as the disorder is passed through generations, is a recognized feature of myotonic dystrophy.
A child has a Glasgow Coma Scale of 3, HR of 88 beats per minute and regular, respiratory rate of 22, BP of 78/52, and blood sugar of 35 mg/dL. The nurse asks the caregiver about accidental ingestion of which drug?
- A. Calcium channel blocker
- B. Beta blocker
- C. ACE inhibitor
- D. ARB
Correct Answer: B
Rationale: Beta blockers affect the heart and also block beta receptors in the liver, reducing glycogen release and causing hypoglycemia. The low HR and BP support beta blocker ingestion.