Nutrition Module 2 Portage Exam 2025
Questions and Answers
digestion - --ANSWER--transforming food into basic nutrients that can be
absorbed and used by the body
We absorb nutrients for... - --ANSWER--1) fuel cellular growth
2)fight infections
3)provide energy to our muscles and brain
2 Processes Food is Broken Down - --ANSWER--1) mechanical
2) chemical
Peristalsis - --ANSWER--involuntary wavelike contractions that propel food along
the digestive tract
Enzymes - --ANSWER--Proteins that speed up chemical reactions
Absorption - --ANSWER--The process by which nutrient molecules pass through
the wall of the digestive system into the blood
Mucosa - --ANSWER--The innermost layer of the human digestive tract; made of
absorptive cells and glands
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, passive diffusion - --ANSWER--substances move easily in and out of cells without
energy, high to low concentrations
facilitated diffusion - --ANSWER--No energy required, BUT special protein carrier
is needed to help substances cross in and out of the cell, high to low
concentrations
active transport - --ANSWER--Energy-requiring process that moves material
across a cell membrane against a concentration difference, low to high
6 parts of the GI tract - --ANSWER--1) Mouth
2) Esophagus
3) Stomach
4) Small Intestine
5) Large intestine
6) Rectum
Mouth Enzymes - --ANSWER--salivary amylase: starches
lingual lipase: fats
Epiglottis - --ANSWER--flap that covers the trachea
sphincter muscle - --ANSWER--circular muscle controls how much is allowed to
pass
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
Questions and Answers
digestion - --ANSWER--transforming food into basic nutrients that can be
absorbed and used by the body
We absorb nutrients for... - --ANSWER--1) fuel cellular growth
2)fight infections
3)provide energy to our muscles and brain
2 Processes Food is Broken Down - --ANSWER--1) mechanical
2) chemical
Peristalsis - --ANSWER--involuntary wavelike contractions that propel food along
the digestive tract
Enzymes - --ANSWER--Proteins that speed up chemical reactions
Absorption - --ANSWER--The process by which nutrient molecules pass through
the wall of the digestive system into the blood
Mucosa - --ANSWER--The innermost layer of the human digestive tract; made of
absorptive cells and glands
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, passive diffusion - --ANSWER--substances move easily in and out of cells without
energy, high to low concentrations
facilitated diffusion - --ANSWER--No energy required, BUT special protein carrier
is needed to help substances cross in and out of the cell, high to low
concentrations
active transport - --ANSWER--Energy-requiring process that moves material
across a cell membrane against a concentration difference, low to high
6 parts of the GI tract - --ANSWER--1) Mouth
2) Esophagus
3) Stomach
4) Small Intestine
5) Large intestine
6) Rectum
Mouth Enzymes - --ANSWER--salivary amylase: starches
lingual lipase: fats
Epiglottis - --ANSWER--flap that covers the trachea
sphincter muscle - --ANSWER--circular muscle controls how much is allowed to
pass
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
