The part of the colon that surrounds the
anus is the:
Selected Answer:
anal canal
The function of salivary amylase is to begin
the digestion of:
starches
The organ of the alimentary tube that is a
reservoir for gradual digestion is the:
stomach
The part of saliva that dissolves food for
tasting is:
water
The layer of the alimentary tube that is
responsible for peristalsis is the:
external muscle layer
The functions of the colon include all of
these except:
absorption of proteins
The end products of carbohydrate
digestion are:
monosaccharides
The purpose of transamination in the liver is
to:
synthesize the nonessential amion acids
The plasma protein produced by the liver
that is important to help maintain blood
volume is:
albumin
The liver stores the minerals:
iron and copper
Select the correct option regarding types
of digestion identifying that which takes
places within each of the following
structures.
oral cavity-Both mechanical and chemical
digestion
pharynx - Neither mechanical nor chemical
digestion
salivary glands - Neither mechanical nor
chemical digestion
esophagus - Neither mechanical nor
chemical digestion
stomach - Both mechanical and chemical
digestion
gall bladder - Neither mechanical nor
chemical digestion
liver - Neither mechanical nor chemical
digestion
pancreas - Neither mechanical nor
chemical digestion
small intestine - Both mechanical and
chemical digestion
large intestine - Neither mechanical nor
chemical digestion
Match the digestive enzymes/secretions
with the primary organic compounds on
which they have an effect.
CARBOHYDRATES
amylase
sucrase
maltase
lactase
PROTEINS
pepsin
HCl
trypsin
peptidases
LIPIDS/FATS
bile salts
lipase
The colon does not have villi as part of its
mucosa. Explain why villi are not necessary.
Villi assist in increasing the surface area of
the small intestine so that maximum
absorption of nutrients can take place. The
only substances that are absorbed by the
colon are water and dissolved vitamins and
minerals (including positive and negative
ions). The surface area for the colon is
adequate for this "minimal" absorption.
Name 1)the vitamins and minerals stored in
the liver, and 2)the substances excreted by
the liver into bile. 3)Name the fixed
macrophages of the liver, and 4) explain
the function. 5) What organ receives bile
from the liver, what occurs to bile once
received by the organ, and what purpose
does bile serve?
1)B12, A, D, E, K, iron, and copper. 2) Excess
cholesterol and bilirubin. 3)Kupffer cells -
destroy old red blood cells and
phagocytize pathogens (especially bacteria
absorbed by the colon) removing them
from the blood before the blood returns to
the heart. 5) Gallbladder - stores and
concentrates bile until needed to aid in the
digestion (emulsification) of fats in the small
intestine.
