GI GI Pediatric & Geriatric Considerations

Question 1

What is the most common cause of acute gastroenteritis in infants and young children in the United States?

Accepted Answer

Rotavirus

Answer

Salmonella

Answer

Norovirus

Answer

Campylobacter

Question 2

Which finding is most concerning for Hirschsprung's disease in a neonate?

Accepted Answer

Failure to pass meconium within 48 hours of birth

Answer

Projectile vomiting at 3 weeks

Answer

Bloody diarrhea

Answer

Jaundice on day 2

Question 3

In elderly patients, which change in GI physiology contributes most to constipation?

Accepted Answer

Decreased colonic motility and reduced physical activity

Answer

Increased gastric acid production

Answer

Increased intestinal secretion

Answer

Faster orocecal transit time

Question 4

Pyloric stenosis in infants typically presents with which characteristic symptom?

Accepted Answer

Non-bilious projectile vomiting at 3–6 weeks of age

Answer

Bilious vomiting

Answer

Bloody stool

Answer

Jaundice

Question 5

Which nutritional deficiency is a common GI-related concern in breastfed infants after 6 months without complementary foods?

Accepted Answer

Iron deficiency

Answer

Vitamin C deficiency

Answer

Calcium deficiency

Answer

Folate deficiency

Question 6

Intussusception in children classically presents with which triad of symptoms?

Accepted Answer

Colicky abdominal pain, vomiting, and currant jelly stools

Answer

Fever, jaundice, right upper quadrant pain

Answer

Projectile vomiting, dehydration, olive-shaped mass

Answer

Diarrhea, fever, tenesmus