Pediatrics - Respiratory

21. A child aged 4 years has fever, malaise, vomiting and right-sided abdominal pain for 48 hours. The following are likely diagnoses except:

A) Right sided abdominal tumour B) Acute appendicitis C) Mesenteric adenitis D) Gastroenteritis

22. A 6 month-old infant presents in winter with fever, cough, wheezing, tachypnea and decreased appetite. Chest radiograph shows hyperaeration and streaky perihilar infiltrates bilaterally. You diagnose bronchopneumonia. Which organism would most likely be causing this infection?

A) Respiratory syncytial virus B) Streptococcus pneumoniae C) Haemophilus influenzae D) Mycoplasma pneumoniae

23. The most common cause of hypertension in children is:

A) Renal disease B) Coarctation of aorta C) Endocrine disorders D) Essential hypertension

24. A 5 years old child is admitted with weakness of both lower limbs. Physical examination showed no wasting, hypotonia, hyporeflexia, normal sensation and power of grade 2 on both limbs. The most likely diagnosis is:

A) Guillain-Barre Syndrome B) Spinal muscular atrophy C) Polio D) Myasthenia gravis

25. A 2 years old child presented with fever and bloody diarrhea for 5 days. Examination showed pale and jaundiced, lab showed low Hb, increased reticulocytes, low platelets with helmet shaped RBCs. The most likely diagnosis is:

A) Haemolytic uremic syndrome B) ITP C) Leukemia D) Aplastic anemia