9. Acute Abdominal Pain.

***) Intussusception is a cause of all of the following, except:

1. A mass in the abdomen

2. Abdominal colic

3. Frequency of micturiuon

4. Passage of blood per rectum

5. Intestinal obstruction

Answer: C* Frequency of micturiuon

***) A previously healthy 8 months old boy started to suffer from repeated abdominal pain, vomiting and red currant jelly stool, he should be regarded to have:

1. Volvulus neonatorum

2. Intussusception

3. Gastroenteritis

4. Meconium ileus

5. Meckel's diverticulitis

Answer: B* Intussusception

***) Current jelly stools are usually associated with:

1. Hirschsprung’s disease

2. Appendicitis

3. Intussusception

4. Bezoars

5. Enterocolitis

Answer: D* Intussusception

10. Gi Bleeding.

***) Blood stained stools in an infant are associated with all of the following, except:

1. Anal fissure

2. Gastroenteritis

3. Intussusception

4. Appendicitis

5. Meckel's diverticulum

Answer: D* Appendicitis

***) The most common cause of minimal bleeding per rectum in children is:

1. Volvulus neonatorum

2. Necrotizing enterocolitis

3. Fissure in anus

4. Hemorrhagic disease

5. Polyp

Answer: C* Fissure in anus

***) The most common cause of rectal bleeding in infancy and childhood is:

1. Anal fissure

2. Volvulus

3. Foreign body

4. Intussusception

5. Meckel's diverticulum

Answer: A* Anal fissure

• Genetics and Metabolism p43-p48.

1. Genetics.

***) All of the following are inherited as autosomal dominant, except:

1. Neurofibromatosis

2. Tuberous sclerosis

3. Achondroplasia

4. Cystic fibrosis

5. Adult type polycystic kidney disease

Answer: D* Cystic fibrosis

***) In autosomal dominant inheritance the trait will be found in one parent and:

1. 25% of daughters and 75% of sons

2. 75% of daughters and 25% of sons

3. 50% of sons and 50% of daughters

4. Only daughters

5. Only sons

Answer: C* 50% of sons and 50% of daughters

***) In autosomal dominant inheritance, the chance of having affected offspring in each pregnancy is:

1. 25%

2. 50%

3. 75%

4. 100%

5. Only male

Answer: B* 50%

2. Genetic Syndromes.

***) Chromosomal study is indicated in all of the following, except:

1. Down syndrome

2. Meningomyelocele and hydrocephalus

3. Recurrent abortion loss

4. Turner syndrome

5. Ambiguous genitalia

Answer: B* Meningomyelocele and hydrocephalus

***) The most likely reason for the extra chromosome in Down's syndrome is:

1. Anaphase lag

2. Translocation

3. No disjunction

4. Oogenesis

5. Fragmentation

Answer: C* No disjunction

***) All of the following are features of trisomy 21 (Down), except:

1. Hypotonia

2. Microcephaly

3. Clinodactyly

4. Recurrent chest infections

5. Normal development

Answer: E* Normal development

***) Clinical features of Down's syndrome include all of the following, except:

1. Mental retardation

2. Microcephaly with flattening of occiput

3. Muscle hypertonia

4. Short and incurve little finger

5. Simian crease

Answer: C* Muscle hypertonia

***) All the following are findings in Trisomy 21 except:

1. Learning difficulties

2. Protruding tongue

3. Congenital heart defects

4. Single transverse palmar crease

5. Hypertonia

Answer: E* Hypertonia

***) A cardiac disorder commonly associated with Turner's syndrome is:

1. Mitral stenosis

2. Coarctation of aorta

3. Pulmonary stenosis

4. Tetralogy of Fallot

5. Absence of pulmonary valves

Answer: B* Coarctation of aorta