Digestive System
Biology ⇒ Human Biology
Digestive System starts at 6 and continues till grade 12.
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See sample questions for grade 12
A person has a blockage in their bile duct. Predict and explain the effect this would have on digestion.
Describe how the structure of the small intestine maximizes nutrient absorption.
Describe the difference between mechanical and chemical digestion, giving one example of each.
Describe the process of mechanical digestion in the mouth.
A patient is unable to digest fats properly. Which organ is most likely malfunctioning? (1) Liver (2) Pancreas (3) Gallbladder (4) Stomach
A person has a blockage in their bile duct. Predict and explain the effect this would have on digestion.
A patient has a genetic mutation that reduces the production of brush border enzymes in the small intestine. Predict the effects on carbohydrate and protein digestion and absorption.
A patient presents with chronic pancreatitis, leading to insufficient secretion of pancreatic enzymes. Explain how this condition would affect the digestion and absorption of macronutrients.
A patient is unable to digest fats properly. Which organ is most likely malfunctioning? (1) Liver (2) Pancreas (3) Gallbladder (4) Stomach
Which enzyme is responsible for the initial breakdown of starch in the mouth? (1) Pepsin (2) Amylase (3) Lipase (4) Trypsin
Which hormone stimulates the release of gastric juice in the stomach? (1) Secretin (2) Gastrin (3) Cholecystokinin (4) Insulin
Which of the following best describes peristalsis? (1) Voluntary muscle contraction (2) Rhythmic, wave-like muscle contractions (3) Enzyme secretion (4) Hormone release
The absorption of fatty acids and glycerol occurs mainly in the __________ of the small intestine.
The acidic environment in the stomach is mainly due to the secretion of __________ acid.
The enzyme __________ breaks down proteins in the small intestine.
The finger-like projections in the small intestine that increase surface area for absorption are called __________.
True or False: Absorption of most nutrients occurs in the large intestine.
True or False: Chyme is the semi-liquid mixture of partially digested food and digestive juices found in the stomach.
True or False: Lipase is produced only in the pancreas.
True or False: The gallbladder produces bile.
