1. A 9 month old who has been a healthy, thriving infant presents with a poor appetite, two episodes of vomiting, three bloody stools with mucus and knees drawn to the abdomen with screaming.These are clinical manifestations of:- Answer Intussusception 2. Abdominal percussion is performed to assess:: Answer Density of tissues and organs 3. When performing a digital rectal exam, a soft, pedunculate lesion is palpated.This finding is most likely:: Answer A rectal polyp 4. Which type of hepatitis is most commonly transmitted from infected mothers to infants at the time of birth?: Answer Hepatitis B 5. A patient presents with complaints of bright red stool over the past week. This symptom could be consistent with:: Answer Cancer of the sigmoid colon 6. An infant weighed 8 pounds at birth. According to the principles of normal growth and development, how much should he weigh at 12 month of age?: Answer 24 pounds 7. When examining the buttocks and rectum, a small tuft of hair surrounded by a halo of erythema was observed at the sacral area.This finding is most likely:: Answer A pilonidal cyst