PEDIATRIC MCQs 01

PEDIATRIC MCQs 01

PEDIATRIC MCQS

Quiz

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1. A boy is admitted to PICU (pediatric intensive care unit) for bacterial pneumonia. He is receiving intravenous antibiotic therapy. The boy was admitted previously for meningitis. Past medical history revealed recurrent otitis media and herpes infection. Physical examination reveals bilateral rales and eczematous skin lesions. Blood test result reveals thrombocytopenia.
   All of the following statements are true for this disease except:
   1. Bone marrow transplantation is effective
   2. Autosomal recessive
   3. Death occurs due to infection or bleeding
   4. Elevated IgA and IgE
   5. Thrombocytopenia is due to intrinsic platelet defects.
2. A 3-year-old boy appeared in the ER with pallor, lethargy, irritability, dehydration, and oliguria. These symptoms and signs are preceded by acute gastroenteritis (e.g., vomiting, diarrhea with bloody stools) for the last 5 days. Physical examination reveals hepatosplenomegaly, edema, and petechiae.
   The following statements are true about this clinical condition except:
   1. Renal failure does occur.
   2. Enteropathogenic E. coli is the most common organism
   3. Endothelial cell injury is the primary event in the pathogenesis.
   4. Peritoneal dialysis is indicated.
   5. Coombs test is positive.
3. full-term newborn developed hypocalcemia. He received intravenous calcium. Chest X-ray revealed absence of thymus.
   All of the following statements are true in this disease except:
   1. Hypoplasia of thyroid gland
   2. Hypoplasia of parathyroid gland
   3. Truncus is common.
   4. Renal anomalies are common
   5. Velopharyngeal insufficiency is common.
4. Routine physical examination of a full-term male newborn reveals cryptorchidism and abdominal muscle deficiency. Renal sonogram and VCUG (voiding cystourethrography) studies reveal obstructive uropathy and dysplastic kidneys. Most common associated anomaly in this syndrome:
   1. Cardiac
   2. Pulmonary
   3. Gastrointestinal
   4. Musculoskeletal
   5. Endocrine
5. A 11-year-old girl came for routine physical examination. Her breasts and papillae form a small mound; areolae are increased in diameter. Her pubic hair is sparse, uncurly, lightly pigmented, and located in medial border of labia. Her development should correspond with Tanner stage:
   1. Stage 1
   2. Stage 4
   3. Stage 2
   4. Stage 4
   5. Stage 5
6. full-term baby was born by forcep delivery with Apgar scores 5 and 7 at 1 and 5 minutes respectively. Physical examination reveals absence of left retinal reflex. Most likely diagnosis:
   1. Retinal hemorrhage
   2. Retinal detachment
   3. Cataract
   4. Bleeding inside anterior chamber of left eye
   5. Corneal trauma
7. All of the following is recommended in an infant who is a high-risk for developing food allergy and atopic dermatitis except:
   1. Discontinue breast feeding if mother has eczema.
   2. Only breast feeding for first 4 to 6 months of life
   3. Use hypoallergenic milk
   4. Delay introduction of solid foods until 4 to 6 months of age.
   5. Delay introduction of cow’s milk until 1 year of age.
8. A 12-year-old boy appears with history of fever (102°F) and pain in lower end of the left thigh for the last 5 days. He had history of trauma 2 weeks ago in the left ankle. Physical examination reveals swelling, tenderness, and redness in the distal thigh, but a full range of motion in the left knee and left hip. CBC reveals WBC count 21,500/Cu mm with polymorphs 85% and lymphocytes 15%. X-ray reveals normal left femur and left knee. The next step in investigation:
   1. MRI of the left femur
   2. CT scan of the left hip
   3. Radionuclide bone scan of left femur
   4. Ultrasonography of left knee
   5. X-ray of the lower back
9. A boy developed anaphylactic reaction after a food intake. This reaction is due to:
   1. IgA
   2. IgG
   3. IgM
   4. IgD
   5. IgE
10. A child releases object to his mother. He can pick up pellet with unassisted pincer movement of forefinger and thumb. He can make postural adjustment to dressing. He can walk by holding hand, says a few words besides “mama” and “dada”. He plays simple ball games. He was unable to build a tower of 2 to 3 cubes. The developmental age of this child:
    1. 9-month-old
    2. 10-month-old
    3. 12-month-old
    4. 15-month-old
    5. 18-month-old