NR442 Exam 1,2,3 And Final Exam Bundle /NR 442
Community Health Nursing Newest 2025/2026
Actual Exam Complete All Questions And Correct
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What is the fermentation compartment (vat) -
.....ANSWER ...✔✔ Rumen
What is the capacity of the rumen - .....ANSWER ...✔✔
5-10 gallons
Why is the rumen the fermentation vat - .....ANSWER
...✔✔ It has microbial population (bacteria and
protozoa) which are able to break down the
carbohydrates and produce acetate, propionate, and
butyrate (volatile fatty acids)
True or false: the volatile fatty acids produced by
microbes can provide energy source - .....ANSWER
...✔✔ True
What is rumination (cud-chewing) utilized for? -
.....ANSWER ...✔✔ reducing particle size and
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increasing degradation and then subsequent digestion
of those feedstuff
What do microbes allow for? - .....ANSWER ...✔✔
Digestion of high fiber feeds high in cellulose
- Makes use of something that no other group of
species can utilize
Facilitates movement of feed in and out of the rumen
during regurgitation process - .....ANSWER ...✔✔ the
rumen
What is another name for the reticulum - .....ANSWER
...✔✔ The recticulo-rumen
Why is the omasum called many piles - .....ANSWER
...✔✔ Because of the layers of the tissue in this
compartment
What do all the layers in the omasum result in -
.....ANSWER ...✔✔ Lots of surface area
What is the surface area is the omasum used for -
.....ANSWER ...✔✔ Water absorption
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True or false: most digestion takes place in the omasum
- .....ANSWER ...✔✔ False
True stomach and fucntions similar to a monogastric
stomach - .....ANSWER ...✔✔ Abomasum
What is the 4th compartment of the ruminant stomach -
.....ANSWER ...✔✔ Abomasum
Acids (HCL) and enzymes break down nutrients prior to
absorption. here - .....ANSWER ...✔✔ Abomasum
What is digestion in the abomasum focused on -
.....ANSWER ...✔✔ Digestion of proteins - breaking
down larger proteins into smaller amino acids
What is the inactive form of pepsin - .....ANSWER
...✔✔ Pepsinogen
What does pepsinogen have to be cleaved by ___ into
pepsin which is the active form that can actually break
down protein - .....ANSWER ...✔✔ HCL
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Primary site of final digestion activities and absorption
of most of the nutrients - .....ANSWER ...✔✔ Smal
intestines
Has secretions from the pancreas, gall bladder, and
intestinal cells that aid in digestion - .....ANSWER
...✔✔ Small intestines
Where most of the final water absorption takes place -
.....ANSWER ...✔✔ Large intestines
This is where fecal content is typically quite dry -
.....ANSWER ...✔✔ Large intestines
Why do they have pelleted fecal matter - .....ANSWER
...✔✔ Occurs because of spiral colon due to series of
contractions in this region
What is the dry matter content utilized for? -
.....ANSWER ...✔✔ Evaluating and comparing
feedstuffs and content of feedstuffs to one another
Why do we evaluate and compare feedstuff content -
.....ANSWER ...✔✔ Because different feedstuffs vary
in water content