1.
Prehension, mechanical breakdown, and chemical digestion are functions of the digestive system.
2.
Absorption, elimination, and protection are functions of the ____________ system.
3.
The saliva of ruminants contains enzymes to help start digesting starches.
4.
The contents of the rumen are maintained at about a pH of _______________.
A. 
B. 
C. 
D. 
5.
The pH level in the rumen inhibits microbial growth.
6.
Mature cows produce _______ gallons of saliva per day.
A. 
B. 
C. 
D. 
E. 
7.
Sheep produce ______ gallons of saliva per day.
A. 
B. 
C. 
D. 
E. 
8.
Cattle spend ___________ hours ruminating each day, broken up into ___________ rumination periods.
A. 
B. 
C. 
D. 
9.
________________ is the process of forcing the feed back into the mouth for chewing.
10.
The esophageal groove forms a passageway from the ____________ to the _______________.
A. 
B. 
C. 
D. 
E. 
11.
The esophageal groove allows ingested milk to bypass the rumen.
12.
The rumen acts like a large fermentation vat and accounts for about __________ of the total utilization of the digestible dry matter in the ration.
A. 
B. 
C. 
D. 
E. 
13.
Millions of these in the rumen and reticulum digest cellulose, compile starch, synthesize protein, and synthesize vitamins.
14.
Concentrates pass through the rumen quicker than roughages.
15.
_______________ line the interior wall of the rumen. They increase the absorption ability of the rumen wall by increasing the surface area.
16.
What are the main gases produced by the bacterial action in the rumen?
A. 
B. 
C. 
D. 
E. 
17.
What will happen if the gas produced by bacterial action in the rumen is not removed or released?
A. 
B. 
C. 
The bacteria will die off.
D. 
The rumen will stop working.
18.
Which stomach chamber is lined with intersecting ridges that form honeycomb-like projections?
A. 
B. 
C. 
D. 
19.
The ___________ grinds and squeezes the feed.
A. 
B. 
C. 
D. 
20.
Hardware that is ingested is trapped here and generally does not move further through the digestive system.
A. 
B. 
C. 
D. 
21.
The material leaving the omasum is _________ drier than the material entering it.
A. 
B. 
C. 
D. 
E. 
22.
Digestion here is much the same as it is in a monogastric animal.
A. 
B. 
C. 
D. 
23.
The pH level of the abomasum is ________.
A. 
B. 
C. 
D. 
E. 
24.
The feed is very dry as it passes from the abomasum into the small intestine.
25.
Rations for ruminants.
A. 
B. 
C. 
D. 
E. 
F.