BIOD 121
(PORTAGE LEARNING) MODULE 2
EXAMQUESTIONS AND ANSWERS
LATEST 2024/2025 (180
QUESTIONS
Diverticulosis: - Correct Answer ✅A Condition That Develops As We Age. Small
Pouches Push Out Through Weak Spots In The Colon, But It Causes No Problems
In The Majority Of People. Major Cause Is A Low Fiber Diet, Which Causes
Straining When Passing Stools.
Lactose Intolerance: - Correct Answer ✅The Inability To Completely Digest
The Milk Sugar Lactose, But Most Individuals With This Condition Can Tolerate
Dairy Insmall Amounts
Diabetes - Correct Answer ✅A Disease Caused By Hormone Imbalance. There
Are 2 Types: Type 1 And Type 2. In Both Cases The Blood Sugar Levels Are High
And There Is A Lack Of Insulin.
Digestion - Correct Answer ✅Process Of Transforming Food Into Basic Nutrients
That Can Be Absorbed And Used By The Body
Enzymes, Acid, Bile, And Mucus - Correct Answer ✅Chemical Means The Body
Has At Its Disposal To Further Aid In Breaking Down Food
,Without The Process, The Nutrients We Initially Consume In Food Would Be
Useless: - Correct Answer ✅Digestion
Before Food Even Enters The Mouth, A Cascade Of Events Involving The
Nervous System And A Variety Of Hormones Are Set Off Based On A Variety
Of Stimulus: - Correct Answer ✅Cognition, Sound, Odor, Appearance, And
Taste
Cognition - Correct Answer ✅Thoughts About Food Can Start The Flow Of Saliva
Sound - Correct Answer ✅Hearing A Description Of The Meal
Odor - Correct Answer ✅Smells Stimulate A Hunger Response And Influence
Its Taste
Appearance - Correct Answer ✅Seeing The Food
,Taste - Correct Answer ✅Begins As The Food Enters Your Mouth And Also How It
Feels
Once Food Enters The Mouth It Begins To Break Down Into Smaller Units In
Both - Correct Answer ✅Mechanical And Chemical Processes
Mechanical Process Begins - Correct Answer ✅In The Mouth With Chewing
Peristalsis - Correct Answer ✅Involuntary Muscle Contractions Are Used To
Move Food Mixtures Along The Tract
Enzymes - Correct Answer ✅Proteins That Catalyze (Speed Up) Chemical
Reactions. They Catalyze The Chemical Reactions Required To Break Down Food
Particles Into Smaller Parts, Which Prepares The Nutrients For Absorption
Gastrointestinal (Gi) Tract - Correct Answer ✅A Long Hollow Tube Consisting Of
Several Layers Of Tissue That Begins With The Mouth And Ends At The Anus
, Nutrient Absorption Occurs Across The Wall Of The - Correct Answer
✅Gastrointestinal (Gi) Tract
Mucosa (Intestinal Wall) - Correct Answer ✅Is The Inner-Most Layer, And It Is
Made Of Absorption Cells And Glands
Circular And Longitudinal Muscles - Correct Answer ✅Comprise The Outer
Layers, Both Of Which Function To Mix And Move Food Along The Gi Tract
Circular Bands Of Muscle - Correct Answer ✅Most Often Found Where One Part
Of The Tract Connects To Another, Serving As Valves To Control The Flow Of The
Food Particles
3 Processes The Body Can Use To Move Nutrients From The Gi Tract Into The
Blood/Lymph System And Eventually Into The Cells: - Correct Answer ✅Passive
Diffusion, Facilitated Diffusion, And Active Transport
Passive Diffusion - Correct Answer ✅Substances Move Easily In And Out Of Cells
Without The Use Of Energy. Nutrients Move From High To Low Concentration.