Gastrointestinal Tract Quiz

What is the length of the esophagus?

• 20 inches (50 cm)

• 15 inches (38 cm)

• 5 inches (13 cm)

• 10 inches (25 cm)

Which part of the stomach is dome-shaped and projects upward?

• Body

• Pyloric antrum

• Fundus

• Pylorus

What type of muscle forms the pyloric orifice?

• Skeletal muscle

• Smooth muscle

• Striated muscle

• Cardiac muscle

Which artery supplies the jejunum and ileum?

• Superior mesenteric artery

• Hepatic artery

• Inferior mesenteric artery

• Celiac artery

What is the primary function of the appendix?

• Immune response

• Digestion

• Absorption

• Storage of bile

Which part of the large intestine is located below the ileum?

• Sigmoid colon

• Appendix

• Transverse colon

• Cecum

What is the length of the duodenum?

• 20 inches (50 cm)

• 5 inches (13 cm)

• 15 inches (38 cm)

• 10 inches (25 cm)

Which nerve supplies the stomach parasympathetically?

• Accessory nerve

• Vagus nerve

• Phrenic nerve

• Sciatic nerve

What is the blood supply for the ascending colon?

• Middle colic artery

• Right colic artery

• Left colic artery

• Ileocolic artery

What is the function of the ileocecal valve?

• Prevent backflow from the colon

• Aid in digestion

• Absorb nutrients

• Facilitate bile secretion