Multiple Choice and/or True-False Review Questions
(Circle the single best answer for each question.)
1. Processes of feed digestion include:
A. chemical changes B. physical changes C. release of nutrients
D. all of the above
2. Young ruminants such as one week old calves and lambs are functionally nonruminants.
A. True B. False
3. In poultry, feed particles move from the mouth into the esophagus, then into a temporary storage structure termed the:
A. proventriculus B. gizzard C. crop
4. Which is not a portion of the small intestine?
A. duodenum B. jejunum C. cecum D. ileum
5. Of the following, which depends most upon its tongue to grasp vegetative material and shear it against its lower incisors?
A. cattle B. horses C. sheep
6. The large quantities of saliva secreted by ruminants helps maintain the desired pH of the rumen contents.
A. True B. False
7. The action of the enzyme, lipase, is most active in the:
A. acid environment of the stomach.
B. acid environment of the small intestine.
C. alkaline environment of the small intestine.
8. Bile enhances fat digestion because it emulsifies fat.
A. True B. False
9. The minute proliferations of the small intestinal lining that provide a large surface area for absorption of nutrients are termed:
A. papillae B. villi C. cecae
10. Fermentation in the horse’s digestive system, similar to that occurring in the rumen, occurs in the:
A. stomach B. small intestine C. cecum and colon
11. The compartment located immediately in front of (anterior to) the rumen is the:
A. reticulum B. abomasum C. omasum
12. Rumination includes the process(es) of:
A. regurgitation D. reswallowing
B. remastication E. all of the above
C. insalivation
13. Large amounts of saliva produced by the ruminant enters the rumen to help maintain its contents at a pH near:
A. 5.0 to 5.5 B. 6.0 to 6.5 C. 6.5 to 7.0
14. Healthy mature ruminants are hosts to microorganisms that synthesize microbial protein containing all of the essential amino acids.
A. True B. False
