Digestive System

Question 1

Digestive System Function

Answer 1

• acquires nutrients from environment: anabolism- uses raw materials to synthesize essential compounds; catabolism- decomposed substances to provide energy cells need to function

Question 2

Esophageal Atresia

Answer 2

• occurs when the tracheoesophageal septum deviates too far dorsally, causing the esophagus to end as a closed tube

Question 3

Esophageal Stenosis

Answer 3

• occurs when the lumen of the esophagus is narrowed and usually involves the midesophagus
• may be caused by submucosal/muscularis externa hypertrophy

Question 4

Esophageal Duplication

Answer 4

• occurs most commonly due to a congenital esophageal cyst, which is usually found in the lower esophagus

Question 5

Pyloric Stenosis

Answer 5

• caudal end of the stomach is separated from the duodenum by formation of the pyloric sphincter