Chapter 46
Biology · 14 exercises
Problem 1
The process of taking in and using food is (a) nutrition (b) chemical digestion (c) egestion (d) ingestion (e) absorption
4 step solution
Problem 2
Animals that feed mainly on producers are (a) herbivores (b) secondary consumers (c) animals with gastrovascular cavities (d) carnivores (e) secondary consumers and carnivores
5 step solution
Problem 3
Teeth adapted for crushing and grinding are (a) incisors (b) canines (c) premolars and molars (d) incisors and premolars (e) canines and molars
3 step solution
Problem 4
The layer of tissue that lines the lumen of the digestive tract is the (a) muscle layer (b) visceral peritoneum (c) parietal peritoneum (d) mucosa (e) submucosa
3 step solution
Problem 5
Which of the following are accessory digestive glands? (a) salivary glands (b) pancreas (c) liver (d) a, b, and c (e) a and b
5 step solution
Problem 6
Arrange the following into the correct sequence. 1\. stomach 2. esophagus 3. pharynx 4. small intestine 5. colon (a) 2,3,1,4,5 (b) 3,2,1,5,4 (c) 3,2,5,1,4 (d) 2,3,1,5,4 (e) 3,2,1,4,5
7 step solution
Problem 7
Amylase is produced by the (a) liver and pancreas (b) stomach and pancreas (c) colon and salivary glands (d) liver and pancreas (e) pancreas and salivary glands
4 step solution
Problem 8
Pepsin is produced by the (a) liver (b) stomach (c) pancreas (d) duodenum (e) salivary glands
4 step solution
Problem 9
Which sequence most accurately describes the digestion of protein? 1. dipeptide 2. amino acid 3. protein 4. polypeptide 5. glycerol (a) 4,3,1,2 (b) 3,4,1,2 (c) 3,4,1,5 (d) 4,3,5,1,2 (e) 2,1,4,5
3 step solution
Problem 10
The surface area of the small intestine is increased by (a) folds in its wall (b) villi (c) microvilli (d) a, b, and \(c(e)\) a and \(b\)
4 step solution
Problem 11
Lipids are transported from the intestine to the liver by (a) chylomicrons (b) HDLs (c) LDLs (d) glycerol transporters (e) leptin
4 step solution
Problem 12
Most vitamins are (a) inorganic compounds (b) components of coenzymes (c) used as fuel (d) electrolytes (e) required by herbivores and carnivores but not omnivores
7 step solution
Problem 13
When energy input is greater than energy output, (a) weight loss occurs (b) weight remains stable (c) weight gain occurs (d) leptin secretion is inhibited (e) the \(o b\) gene is deactivated
4 step solution
Problem 14
A hormone that stimulates gastric glands to secrete pepsinogen is (a) secretin (b) GIP (c) gastrin (d) cholecystokinin (CCK) (e) substance P
3 step solution