Dr.Kamel Hassan Pediatric MCQ of the day,September 2008

01-09-2008
Question :1
A Couple has two children affected with tuberous sclerosis. On detailed clinical and laboratory evaluation (including molecular studies) both parents are normal.
Which one of the following explains the two affected children in this family?
A- Non penetrance.
B- Uniparental diasomy.
C- -Genomic imprinting.
D- Germline mosaicism
THE CORRECT ANSWER is (D)

02-09-2008
Question : 2
Conjugated hyperbilirubinemia is seen in?
A- Gilbert’s syndrome.
B- Criggler Najjar syndrome.
C- Breast milk jaundice.
D- Dubin Johnson syndrome.
THE CORRECT ANSWER is (D)

03-09-2008
Question : 3
Which of the following does not establish a diagnosis of congenital CMV infection in a neonate?
A- Urine culture of CMV
B- IgG CMV antibodies in hepatocytes.
C- Intra-nuclear inclusion bodies in hepatocytes.
D- CMV viral DNA in blood by polymerase chain reaction.
THE CORRECT ANSWER is (B)

04-09-2008
Question : 4
In a child with acute liver failure, the most important prognostic factor for death is?
A- Increasing transaminases.
B- Increasing Bilirubin.
C- Increasing prothrombin time.
D- Gram negative sepsis.
THE CORRECT ANSWER is C

05-09-2008
Question : 5
An infant is able to grasp a rattle and transfer it from hand to the other by the age of?
A-3 months.
B-6months.
C-1 year.
D-2 years.
THE CORRECT ANSWER is B

06-09-2008
Question : 6
All of the following are signs of pellagra except?
A- Angular stomatitis.
B- Dementia.
C- Desquamated pigmented dermatitis of exposed parts of skin.
D- Diarrhoea.
THE CORRECT ANSWER is A

07-08-2008
Question : 7
In children, the most common complication of mumps is?
A- Aseptic meningitis.
B- Myocarditis.
C- Orchitis.
D- Pancreatitis
THE CORRECT ANSWER is C

08-09-2008
Question : 8
Chicken pox is characterised by all of the following except?
A- Centripetal distribution of the rash.
B- Occurrence of lesions in corps.
C- Rapid progression of the rash from Macules to vesicles.
D- Presence of live viruses in crusts.
THE CORRECT ANSWER is D

09-09-2008
Question : 9
The etiological agent most commonly responsible for Bronchiolitis is?
A- Adenovirus.
B- Parainfluenza virus type3.
C- Respiratory syncytial virus.
D- Rhinovirus.
THE CORRECT ANSWER is C

10-09-2008
Question : 10
All of the following can result in Nephrotic syndrome except.
A- Amyloidosis.
B- Plasmodium malaria.
C- Penicillamine treatment.
D- Sickle cell disease.
THE CORRECT ANSWER is D

11-09-2008
Question : 11
The most common intracranial tumour in the childhood is?
A- Craniopharyngioma.
B- Ependymoma.
C- Glioma.
D- Meningioma.
THE CORRECT ANSWER is C

12-09-2008
Question : 12
A child with pseudoparalysis, fraenkel line, rosary and pencil thinning of cortex is diagnosed to be suffering from?
A-Vitamin A deficiency.
B- Vitamin C deficiency.
C- Vitamin D deficiency.
D- Vitamin E deficiency.
THE CORRECT ANSWER is B

13-09-2008
Question : 13
What is pentalogy of Fallot?
A- TOF with ASD.
B- TOF with VSD.
C- TOF with Pulmonary stenosis.
D- TOF wit Coarctation of aorta/
THE CORRECT ANSWER is A

14-09-2008
Question : 14
Commonest childhood malignancy is?
A- Leukemia.
B- Neuroblastoma.
C- Lymphoma.
D- Wilm’s tumour.
THE CORRECT ANSWER is A

15-09-2008
Question : 15
A two years old child presents with persistent diarrhea, acidic stool and presence of one percent of reducing substance in the fresh stool.
What is the most portable diagnosis?
A- Cystic fibrosis.
B- Lactose intolerance.
C- Rotavirus induced diarrhea.
D- Intestinal tuberculosis.
THE CORRECT ANSWER is B

16-09-2008
Question : 16
Unconjugated hyperbilirubinemia in neonate is not seen in?
A- Hypothyroidism.
B- Dubin Johnson syndrome.
C- Hemolytic anemia.
D- Physiological jaundice.
THE CORRECT ANSWER is B

17-09-2008
Question : 17
Which of the following is the most common cause of hydrocephalus in children?
A- Brain tumour.
B- Perinatal injury.
C- Budd Chiari syndrome.
D- Post inflammatory obstruction.
THE CORRECT ANSWER is D

18-09-2008
Question : 18
All of the following are features of neonatal necrotizing enterocolitis except?
A- Abdominal distension.
B- Metabolic acidosis.
C- Pneumoperitoneum.
D- Increased peristaltic sounds.
THE CORRECT ANSWER is D

19-09-2008
Question : 19
Which of the following is true regarding Klinefelter’s syndrome?
A- Breast adenoma.
B- Short stature.
C- Pituitary adenoma.
D- Subnormal intelligence.
THE CORRECT ANSWER is D

20-09-2008
Question : 20
All of the following are true in systemic juvenile arthritis except?
A- Leucocytosis.
B- Rheumatoid factor is positive.
C- Hepatosplenomegaly.
D- Fever.
THE CORRECT ANSWER is B

21-09-2008
Question : 21
Exclusive breast feeding may be associated with all of the following except?
A- Evening colics.
B- Golden stools.
C- Prolongation of physiological jaundice.
D- Hemolysis secondary to Vit k deficiency.
THE CORRECT ANSWER is A

22-09-2008
Question : 22
The most common cause of cholestatic jaundice in a neo born is?
A- Choledochal cyst.
B- Physiological.
C- Neonatal hepatitis.
D- Biliary tract hypoplasia.
THE CORRECT ANSWER is C

23-09-2008
Question : 23
The most common posterior fossa tumour in children is ?
A- Astrocytoma.
B- Glioblastoma multiforme.
C- Medulloblastoma.
D- Meningioma.
THE CORRECT ANSWER is A

24-09-2008
Question : 24
In children, the most common cause of sustained hypertension is ?
A- Co-arctation of Aorta.
B- Drug-induced.
C- Parenchymal disease of the kidneys.
D- Phaeochromocytoma.
THE CORRECT ANSWER is C

25-09-2008
Question : 25
All of the following can cause vomiting on the first day of a baby’s life except ?
A- Aerophagy.
B- Amniotic gastritis.
C- Oesophageal atresia.
D- Pyloric stenosis.
THE CORRECT ANSWER is D

26-09-2008
Question : 26
A child presented with non productive cough, fever, and dyspnea. After a course of antibiotic the condition of the child improved transiently but he now presents with aggravation of symptoms, high fever and productive cough.
On x-ray- hypertranslucency is seen and PTF shows severe obstructive lung disease pattern.
What is the most like diagnosis?
A- Pulmonary alveolar microlithiasis.
B- Bronchiolitis oblitrans.
C- Follicular bronchiolitis.
D- Post viral syndrome.
THE CORRECT ANSWER is B

27-09-2008
Question : 27
Which vaccine is not given to a child suffering from a convulsion ?
A- Measles.
B- DPT.
C- BCG.
D- OPV.
THE CORRECT ANSWER is B

28-09-2008
Question : 28
Congenital Nephrotic syndrome is due to mutation in ?
A- Nephrin.
B- Podocin.
C-
D-
THE CORRECT ANSWER is A

29-09-2008
Question : 29
6 years old female present with urinary and fecal retention diagnosis ?
A-Malignant sacral teratoma.
B-Rectal duplication cyst.
C-Pelvic neuroblastoma.
D-Neurogenic bladder.
THE CORRECT ANSWER is A

30-09-2008
Question : 30
10 months child with high temperature with sore throat, non toxic, after convulsion was alert and active. Which will you do?
A-CSF.
B-ECG.
C-CT.
D-Reassurance.
THE CORRECT ANSWER is D