Nokea
Afterload reducers are not indicated in children with heart failure secondary to
- A. cardiomyopathy
- B. severe mitral insufficiency
- C. aortic stenosis
- D. ventricular septal defect
Correct Answer: C
Rationale: Afterload reducers are contraindicated in conditions where forward flow is already compromised, such as aortic stenosis.
You may also like to solve these questions
Defects of complement system should be suspected in:
- A. Recurrent folliculitis
- B. Facial swelling following trauma
- C. Recurrent meningococcal infection
- D. Pneumocystis carinii pneumonia
Correct Answer: C
Rationale: Recurrent meningococcal infection: Defects in the complement system, especially the terminal complement components, increase the risk of recurrent meningococcal infections.
Recognised associations of Addison's disease include:
- A. Neurofibromatosis
- B. Phaeochromocytoma
- C. IDDM
- D. Nephrogenic diabetes insipidus
Correct Answer: C
Rationale: The correct answer is C because IDDM (insulin-dependent diabetes mellitus) is a recognized association of Addison's disease. The other options (a, b, d, e) are less commonly associated.
Regarding intussusception in childhood:
- A. Incidence is most common in children over 3 years of age
- B. Barium enema is the investigation of choice
- C. Patient commonly presents with constant abdominal pain
- D. It is associated with Henoch-Schoenlein purpura
Correct Answer: D
Rationale: Intussusception is associated with Henoch-Schoenlein purpura, a condition that can cause inflammation and bleeding in the small blood vessels.
Recognised features in Marfan's syndrome include:
- A. Mutation in fibrillin gene
- B. Mitral valve prolapse
- C. Cognitive impairment
- D. Myopia
Correct Answer: B
Rationale: Mitral valve prolapse
The most likely diagnosis in the patient described is
- A. persistent pulmonary hypertension
- B. transposition of the great arteries
- C. truncus arteriosus
- D. pulmonary atresia
Correct Answer: B
Rationale: Transposition of the great arteries often presents with cyanosis due to mixing of oxygenated and deoxygenated blood.