Beginner Stomach Quiz

Q1. What is the main function of the stomach in digestion?

• Filter blood
• Produce insulin
• Absorb water
• Store and digest food

Q2. What is the name of the acidic fluid secreted by the stomach?

• Gastric juice
• Saliva
• Pancreatic juice
• Bile

Q3. Which part of the digestive tract lies directly before the stomach?

• Colon
• Duodenum
• Pharynx
• Esophagus

Q4. What connects the stomach to the small intestine?

• Ileocecal valve
• Lower esophageal sphincter
• Pyloric sphincter
• Appendix

Q5. What enzyme begins protein digestion in the stomach?

• Pepsin
• Trypsin
• Lipase
• Amylase

Q6. What is the semi-liquid food mixture called after it leaves the stomach?

• Bolus
• Feces
• Chyme
• Bile

Q7. What type of acid is produced by the stomach lining?

• Sulfuric acid
• Hydrochloric acid (HCl)
• Citric acid
• Lactic acid

Q8. What protective layer prevents the stomach from digesting itself?

• Peritoneum
• Enamel coat
• Muscularis externa
• Mucus layer

Q9. What type of muscle contraction helps mix food in the stomach?

• Isometric twitches
• Reflex arcs
• Voluntary contractions
• Peristaltic waves

Q10. What is the J-shaped organ located between the esophagus and small intestine?

• Stomach
• Gallbladder
• Pancreas
• Liver