- 1. The two organs that produce digestive fluids that are secreted into the small intestine are
A) liver and pancreas
B) colon and gall bladder
C) liver and gall bladder
D) gall bladder and jejunum
- 2. The tiny projections that cover the surface of the folds in the small intestine are
A) muscles
B) teeth
C) ulcers
D) villi and microvilli
- 3. The process by which the nutrients from the digested food pass into the blood vessels through the wall of the small intestine is called
A) diffusion
B) digestion
C) evaporation
D) elimination
- 4. Fats get chemically digested into
A) bile
B) fatty acids and glycerol
C) amino acids and proteins
D) glucose and starch
- 5. The liquid that breaks down large fat droplets into smaller ones so they can mix more easily with the juices from the small intestine and pancreas is
A) chyme
B) water
C) bile
D) mucus
- 6. The nutrient(s) that is/are chemically digested in the small intestine are:
A) fats only
B) carbohydrates and fats
C) carbohydrates, proteins and fats
D) protein only
E) carbohydrates only
- 7. The result of chemically digesting proteins are:
A) simple sugars
B) amino acids
C) carbohydrates
D) bile
- 8. The result of chemically digesting carbohydrates are
A) bile
B) amino acids
C) carbohydrates
D) simple sugars
- 9. This material passes through the colon and is composed of water, undigested food, mucus, dead cells, and bacteria.
A) chyme
B) bolus
C) feces
D) mucus
- 10. This happens when the feces move through the large intestine too quickly and there’s not enough time for water to be absorbed (too much water in the feces).
A) diarrhea
B) constipation
C) ulcer
D) appendicitis
- 11. This happens when the feces move through the colon too slowly and too much water is absorbed (not enough water in the feces).
A) nausea
B) vomiting
C) constipation
D) diarrhea
- 12. These pass through the walls of the large intestine into the bloodstream.
A) bile and chyme
B) water and minerals
C) enzymes
D) nutrients
- 13. The substance produced by the liver is
A) amylase
B) pepsin
C) renin
D) bile
- 14. A liquid that is basic/alkaline (not acidic) and is used to neutralize stomach acid.
A) pancreatic juice
B) gastric juice
C) bile
D) mucus
- 15. Which figure better illustrates a cross-section of the small intestine?
A) B
B) A
- 16. This figure best illustrates:
A) None of these
B) Why sugar is bad for your cells
C) Why cells need energy
D) Why starch needs to be digested into sugar
- 17. The process illustrated is best described as:
A) Passive transport
B) Active Transport
C) None of these
D) Absorption
- 18. The process illustrated is best described as:
A) Active Transport
B) None of these
C) Diffusion
D) Passive Transport
- 19. Diffusion is often called passive transport because
A) Energy from the cell is NOT needed for it to occur
B) It takes place only in water
C) It takes place only without water
D) Energy from the cell IS needed for it to occur
- 20. When the appendix gets blocked, it becomes swollen and infected by bacteria. This condition is called?
A) heartburn
B) constipation
C) appendicitis
D) ulcer
- 21. A medication that causes the peristaltic contractions (squeezing) to increase and to move wastes through the large intestine more quickly.
A) mineral
B) antacid
C) vitamin
D) laxative
- 22. This is released when bacteria in the large intestine start to feast on undigested food.
A) mucus
B) gas
C) acid
D) water
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