PBCR Multiple Choice Questions & Answers Vol. 3

Sample Chapter 1
Here are some of the multiple choice question which you will find in this book

Q1. The most common site of pulmonary atelactasis in children is:

1. Right upper lobe
2. Right middle lobe
3. Right lower lobe
4. Left upper lobe
5. Left lower lobe

Q2. A routine physical examination of a newborn reveals a grade 2/6, short, harsh systolic murmur at the apex. The newborn is completely asymptomatic. The most likely diagnosis is:

1. Atrial septal defect
2. Ventricular septal defect
3. Mitral stenosis
4. Mitral regurgitation
5. Patent ductus arteriosus

Q3. All of the following conditions can present with spherocytosis in peripheral blood smear except:

1. ABO incompatibility
2. Thermal injury
3. Wilson disease
4. Autoimmune hemolytic anemia
5. Pneumococcal sepsis

Q4. A 7-day-old newborn girl appears for a routine physical check-up. Her mother noticed grapelike mass protruding through the child's vagina. The girl is asymptomatic. The most likely diagnosis is:

1. Vaginal prolapse
2. Rectovaginal fistula
3. Urethral prolapse
4. Uterine prolapse
5. Sarcoma botryoides

Q5. A VCUG study in a male newborn reveals massive bilateral ureteral dilatations due to severe vesicoureteral reflux. The urinary bladder is very distended. There is no urethral obstruction. There is absence of neuropathic dysfunction. The newborn is receiving prophylactic antibiotics. The preferred therapy is:

1. Resection of posterior urethral valve
2. Dilatation of urethra
3. Removal of prostate
4. Permanent vesicostomy
5. Reimplantation of ureters into urinary bladder

Q6. The most important hormone responsible for the onset and progression of puberty is:

1. Estrogen
2. ACTH
3. TSH
4. Progesterone
5. GnRH

Q7. A 2½ year old boy appears with intermittent loose stools for the past 1 month. Stools typically occur during the day and not overnight. The boy is otherwise healthy. The growth and development are normal. The most likely diagnosis is:

1. Chronic enteritis
2. Rotavirus enteritis
3. Salmonella enteritis
4. Food allergy
5. Toddler's diarrhea

Q8. The best diagnostic antibody titer in patients with streptococcal skin infection is:

1. Antistreptolysin O titer is elevated.
2. Serum C3 level is decreased.
3. Serum C3 level is increased
4. Antistreptolysin O titer is decreased
5. Deoxyribonuclease (DNase) B antigen is present.

Q9. A 5-year-old boy appears with an abrupt onset of increased urinary frequency for the last 3 days. He has been voiding every 10-15 minutes during the day. The mother denies history of fever, abdominal pain, dysuria, nocturia, or daytime incontinence. The urinalysis result is normal. The next step in management is:

1. Trimethoprim-sulfamethoxazole
2. Restriction of fluid intake
3. Renal ultrasonography
4. A 24-hour urine sample for calcium
5. Reassurance

Q10. The following statement is not true about Klinefelter syndrome:

1. Maternal age is advanced in most cases.
2. An extra X chromosome is maternal origin in majority of cases.
3. This syndrome is most commonly due to meiotic nondisjunction of a X chromosome.
4. About 3% of infertile males have Klinefelter syndrome.
5. About 1% of mentally retarded males have this syndrome.

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