NFSC 303 Exam 2 Questions and Answers Latest Update 2025-2026
Match the organ to its function or the action that takes place - Answers Mouth: carbohydrate
digestion begins here
Esophagus: no chemical digestion occurs in this organ, it strictly serves as a passage tube
Stomach: a large muscular organ, fat and protein digestion begin here
Small Intestine: the breakdown of all 3 macronutrients occurs in this organ
Colon: forms feces, reabsorbs water and minerals
Once food is mixed with gastric juices in the stomach, it is in a semi-solid form referred to as: -
Answers Chyme
The bacteria that resides in the colon has many function. Which is NOT a function of intestinal
bacteria? - Answers All are functions
They produce vitamin K
They produce biotin
They can metabolize undigested food
In which order does food travel through the digestive organs? - Answers Mouth, esophagus,
stomach, small intestine, colon
The term "brushborder" refers to: - Answers The area of microvilli in the small intestine.
After digestion, some nutrients enter the capillaries and some enter the lymphatic vessels. The
nutrients that enter the capillaries go directly to which organ? - Answers The liver
The purpose of sodium bicarbonate is to: - Answers Neutralize the hydrochloric acid from the
stomach.
Which is NOT a product of the pancreas? - Answers Bile
The brush border of the small intestine is which area? - Answers The microvilli
The three sections of the small intestine are: - Answers duodenum, jejunum, ileum
Digestive enzymes are made by two organs, which two? - Answers The pancreas and the small
intestine
The majority of digestion and absorption occurs in the: - Answers Small intestine
After digestion, some nutrients enter the capillaries and some enter the lymphatic vessels,
which nutrients enter the capillaries? - Answers Sugars, amino acids, small fats, and most
, vitamins and minerals
One purpose of segmentation is to: - Answers Increase surface area of food for enzyme activity
Match event or function to the organ it occurs in - Answers Mouth: chemical digestion occurs in
this organ
Esophagus: there is no chemical digestion at all in this organ
Stomach: chemical digestion of fat and protein begin in this organ
Small Intestine: digestive enzymes, bile and bicarbonate are secreted into this organ when food
enters
Colon: the function of this organ is to reabsorb water and minerals
The small intestine has a very specialized anatomical design. The purpose of this design is: -
Answers To increase surface area
The three auxiliary organs for digestion are: - Answers Pancreas, liver, gallbladder
What is the function of an enzyme? - Answers To speed up chemical reactions of digestion
Match the carbohydrate to its classification - Answers Maltose: disaccharide
Starch: polysaccharide
Fructose: monosaccharide
Fiber: polysaccharide
Galactose: monosaccharide
The best definition of fiber is: - Answers A plant polysaccharide non digestible by humans
Which is a type of soluble fiber? - Answers Pectin
How many calories per gram does fiber provide? - Answers None are correct
9
7
4
Which is a type of fiber? - Answers Cellulose
Diverticular Disease is a disease of the colon cause mainly by: - Answers Low fiber diet
Which of the follow sugar replacers is heat stable and can be used for baking? - Answers
Match the organ to its function or the action that takes place - Answers Mouth: carbohydrate
digestion begins here
Esophagus: no chemical digestion occurs in this organ, it strictly serves as a passage tube
Stomach: a large muscular organ, fat and protein digestion begin here
Small Intestine: the breakdown of all 3 macronutrients occurs in this organ
Colon: forms feces, reabsorbs water and minerals
Once food is mixed with gastric juices in the stomach, it is in a semi-solid form referred to as: -
Answers Chyme
The bacteria that resides in the colon has many function. Which is NOT a function of intestinal
bacteria? - Answers All are functions
They produce vitamin K
They produce biotin
They can metabolize undigested food
In which order does food travel through the digestive organs? - Answers Mouth, esophagus,
stomach, small intestine, colon
The term "brushborder" refers to: - Answers The area of microvilli in the small intestine.
After digestion, some nutrients enter the capillaries and some enter the lymphatic vessels. The
nutrients that enter the capillaries go directly to which organ? - Answers The liver
The purpose of sodium bicarbonate is to: - Answers Neutralize the hydrochloric acid from the
stomach.
Which is NOT a product of the pancreas? - Answers Bile
The brush border of the small intestine is which area? - Answers The microvilli
The three sections of the small intestine are: - Answers duodenum, jejunum, ileum
Digestive enzymes are made by two organs, which two? - Answers The pancreas and the small
intestine
The majority of digestion and absorption occurs in the: - Answers Small intestine
After digestion, some nutrients enter the capillaries and some enter the lymphatic vessels,
which nutrients enter the capillaries? - Answers Sugars, amino acids, small fats, and most
, vitamins and minerals
One purpose of segmentation is to: - Answers Increase surface area of food for enzyme activity
Match event or function to the organ it occurs in - Answers Mouth: chemical digestion occurs in
this organ
Esophagus: there is no chemical digestion at all in this organ
Stomach: chemical digestion of fat and protein begin in this organ
Small Intestine: digestive enzymes, bile and bicarbonate are secreted into this organ when food
enters
Colon: the function of this organ is to reabsorb water and minerals
The small intestine has a very specialized anatomical design. The purpose of this design is: -
Answers To increase surface area
The three auxiliary organs for digestion are: - Answers Pancreas, liver, gallbladder
What is the function of an enzyme? - Answers To speed up chemical reactions of digestion
Match the carbohydrate to its classification - Answers Maltose: disaccharide
Starch: polysaccharide
Fructose: monosaccharide
Fiber: polysaccharide
Galactose: monosaccharide
The best definition of fiber is: - Answers A plant polysaccharide non digestible by humans
Which is a type of soluble fiber? - Answers Pectin
How many calories per gram does fiber provide? - Answers None are correct
9
7
4
Which is a type of fiber? - Answers Cellulose
Diverticular Disease is a disease of the colon cause mainly by: - Answers Low fiber diet
Which of the follow sugar replacers is heat stable and can be used for baking? - Answers
