Tall (>25 mm), narrow, and spiked P waves are seen in
- A. Ebstein anomaly
- B. ventricular septal defect
- C. patent ductus arteriosus
- D. severe mitral stenosis
Correct Answer: D
Rationale: Severe mitral stenosis can cause tall, narrow, and spiked P waves due to left atrial enlargement.
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What are FOUR possible differential diagnoses associated with aortopathy in a child, aside from Marfan’s?
- A. Ehlers-Danlos Syndrome (vascular type IV)
- B. Bicuspid aortic valve
- C. Takayasu Arteritis
- D. Unrepaired coarctation of the aorta
Correct Answer: A
Rationale: These are potential differential diagnoses associated with aortopathy in children, aside from Marfan’s syndrome, which is a common condition linked to aortic dilation.
Concerning Ebstein-Barr virus (infectious mononucleosis):
- A. Presence of petechiae between the hard and soft palate supports the diagnosis
- B. Typically a rash following administration of penicillin V occurs
- C. Guillain-Barre syndrome is a recognised sequel
- D. Hepatitis is common
Correct Answer: A
Rationale: Petechiae between the hard and soft palate are a classic sign of infectious mononucleosis. A rash following penicillin V is also common, and Guillain-Barre syndrome is a rare complication.
Causes of uveitis include:
- A. Diabetes
- B. Behçet's disease
- C. Ankylosing spondylitis
- D. Rheumatic fever
Correct Answer: B
Rationale: Behçet's disease, a systemic vasculitis, is a known cause of uveitis, an inflammation of the uvea in the eye.
Rare causes of bloody diarrhoea include:
- A. Campylobacter infection
- B. Peutz-Jegher's syndrome
- C. Enterotoxigenic E. coli
- D. Crohn's disease
Correct Answer: B
Rationale: Rare causes of bloody diarrhoea include conditions like Peutz-Jegher's syndrome which is a genetic disorder causing polyps in the gastrointestinal tract. Campylobacter Shigella and Enterotoxigenic E. coli are common causes of infectious diarrhoea while Crohn's disease is a chronic inflammatory condition.
A client is brought to the ED by ambulance in cardiac arrest with cardiopulmonary resuscitation (CPR) in progress. The client is intubated and is receiving 100% oxygen per self-inflating (ambu) bag. The nurse determines that the client is cyanotic, cold, and diaphoretic. Which assessment is most important for the nurse to obtain?
- A. Breath sounds over bilateral lung fields.
- B. Carotid pulsation during compressions
- C. Deep tendon reflexes
- D. Core body temperature
Correct Answer: A
Rationale: Assessing breath sounds ensures that the endotracheal tube is properly placed and that ventilation is effective, which is critical in a cardiac arrest situation.
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