BIOS 150 Week 4 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the digestive system?
A. Gas exchange
B. Transport oxygen
C. Break down food
D. Produce hormones
Correct Answer: C. Break down food
Rationale: The digestive system breaks food into absorbable
nutrients.
2. Which organ begins mechanical digestion?
A. Stomach
B. Small intestine
C. Mouth
D. Liver
,Correct Answer: C. Mouth
Rationale: Teeth chew food, starting mechanical digestion.
3. What enzyme is found in saliva?
A. Pepsin
B. Lipase
C. Amylase
D. Trypsin
Correct Answer: C. Amylase
Rationale: Salivary amylase begins carbohydrate digestion.
4. Which organ produces bile?
A. Gallbladder
B. Pancreas
C. Liver
D. Stomach
Correct Answer: C. Liver
Rationale: The liver produces bile for fat digestion.
5. Where is bile stored?
A. Liver
B. Pancreas
C. Gallbladder
D. Intestine
,Correct Answer: C. Gallbladder
Rationale: Bile is stored and concentrated in the gallbladder.
6. Which organ absorbs most nutrients?
A. Stomach
B. Large intestine
C. Small intestine
D. Esophagus
Correct Answer: C. Small intestine
Rationale: Villi in the small intestine absorb nutrients.
7. What is peristalsis?
A. Enzyme action
B. Food absorption
C. Wave-like muscle movement
D. Chemical digestion
Correct Answer: C. Wave-like muscle movement
Rationale: Peristalsis moves food through the digestive tract.
8. Which enzyme digests proteins in the stomach?
A. Amylase
B. Lipase
C. Pepsin
D. Maltase
, Correct Answer: C. Pepsin
Rationale: Pepsin breaks down proteins into peptides.
9. What is the function of the large intestine?
A. Digest proteins
B. Absorb nutrients
C. Absorb water
D. Produce enzymes
Correct Answer: C. Absorb water
Rationale: The large intestine reabsorbs water from waste.
10. Which nutrient is the main energy source?
A. Proteins
B. Vitamins
C. Carbohydrates
D. Minerals
Correct Answer: C. Carbohydrates
Rationale: Carbohydrates provide quick energy.
11. What does the pancreas produce?
A. Bile
B. Insulin and enzymes
C. Blood
D. Oxygen
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the digestive system?
A. Gas exchange
B. Transport oxygen
C. Break down food
D. Produce hormones
Correct Answer: C. Break down food
Rationale: The digestive system breaks food into absorbable
nutrients.
2. Which organ begins mechanical digestion?
A. Stomach
B. Small intestine
C. Mouth
D. Liver
,Correct Answer: C. Mouth
Rationale: Teeth chew food, starting mechanical digestion.
3. What enzyme is found in saliva?
A. Pepsin
B. Lipase
C. Amylase
D. Trypsin
Correct Answer: C. Amylase
Rationale: Salivary amylase begins carbohydrate digestion.
4. Which organ produces bile?
A. Gallbladder
B. Pancreas
C. Liver
D. Stomach
Correct Answer: C. Liver
Rationale: The liver produces bile for fat digestion.
5. Where is bile stored?
A. Liver
B. Pancreas
C. Gallbladder
D. Intestine
,Correct Answer: C. Gallbladder
Rationale: Bile is stored and concentrated in the gallbladder.
6. Which organ absorbs most nutrients?
A. Stomach
B. Large intestine
C. Small intestine
D. Esophagus
Correct Answer: C. Small intestine
Rationale: Villi in the small intestine absorb nutrients.
7. What is peristalsis?
A. Enzyme action
B. Food absorption
C. Wave-like muscle movement
D. Chemical digestion
Correct Answer: C. Wave-like muscle movement
Rationale: Peristalsis moves food through the digestive tract.
8. Which enzyme digests proteins in the stomach?
A. Amylase
B. Lipase
C. Pepsin
D. Maltase
, Correct Answer: C. Pepsin
Rationale: Pepsin breaks down proteins into peptides.
9. What is the function of the large intestine?
A. Digest proteins
B. Absorb nutrients
C. Absorb water
D. Produce enzymes
Correct Answer: C. Absorb water
Rationale: The large intestine reabsorbs water from waste.
10. Which nutrient is the main energy source?
A. Proteins
B. Vitamins
C. Carbohydrates
D. Minerals
Correct Answer: C. Carbohydrates
Rationale: Carbohydrates provide quick energy.
11. What does the pancreas produce?
A. Bile
B. Insulin and enzymes
C. Blood
D. Oxygen
