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BIO 156 EXAM 3 PRACTICE | 114 ACTUAL COMPLETE QUESTIONS AND CORRECT ANSWERS | RATED A+ | UPDATED 2025 $13.49
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BIO 156 EXAM 3 PRACTICE | 114 ACTUAL COMPLETE QUESTIONS AND CORRECT ANSWERS | RATED A+ | UPDATED 2025
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BIO 156 EXAM 3 PRACTICE | 114 ACTUAL COMPLETE QUESTIONS AND CORRECT ANSWERS | RATED A+ | UPDATED 2025

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  • January 20, 2025
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  • 2024/2025
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BIO 156 EXAM 3 PRACTICE | 114
ACTUAL COMPLETE QUESTIONS AND
CORRECT ANSWERS | RATED A+ |
UPDATED 2025

What is the major function of bile?
a. Emulsification of fats
b. Digestion of fats
c. Stimulation of stomach secretions
d. Inhibition of stomach contractions

e. Assist amino acid absorption - ANSWER a. Emulsification of fats


Histamine:
a. Causes local blood vessels to constrict.
b. Causes local blood vessels to restrict fluid loss.
c. Decreases blood flow to the affected area.
d. Causes local swelling of the affected area.

e. Causes the blood pressure in the body to increase. - ANSWER d. Causes local
swelling of the affected area


Absorption of water is one major function of which of the following structures?
a. cecum
b. esophagus
c. appendix

,d. rectum

e. colon - ANSWER e. colon


The pulmonary veins deliver bloods to which of the following?
a. right atrium
b. left atrium
c. right ventricle
d. left ventricle

e. lungs - ANSWER b. left atrium


What happens to nutrient macromolecules in your digestive tract?
a. They are absorbed whole and are broken down to monomers in the cells that
ultimately use them.
b. The digestive breakdown of macromolecules is keyed to the body's need for
monomers; only the monomers that are immediately needed are produced.
c. Nucleic acids and triglycerides (which diffuse across the plasma membrane) are
not digested to monomers; other macromolecules are.
d. Proteins and nucleic acids are digested to monomers before absorption;
energy-storage macromolecules (starched and fat) are absorbed whole.
e. All nutrient macromolecules are digested to monomers before absorption. -
ANSWER e. All nutrient macromolecules are digested to monomers before
absorption.


The alimentary canal is best defined as which of the following?
a. The compartment in which an animal digest its food.
b. A tube-shaped digestive compartment with either one or two openings.

,c. A tube-like digestive compartment that has two openings and consists, at least a
mouth, stomach, and intestine.
d. A digestive cavity in which food is churned and mixed.
e. A tube-shaped digestive compartment that has two openings and through
which food moves in one direction. - ANSWER b. A tube-shaped digestive
compartment with either one or two openings.


The main function of salivary amylase is to do which of the following?
a. Moisten food
b. Catalyze the formation of vitamins
c. Digest food
d. Store food

e. Absorb nutrients - ANSWER c. Digest food


Which of the following describes digestion?
a. Absorption of nutrients
b. Mechanical and chemical breakdown of food
c. Conversion of amino acids to proteins
d. Conversion of glycogen to glucose

e. Churning of food in the stomach and intestine - ANSWER b. Mechanical and
chemical breakdown of food


Which of the following is an accessory digestive organ that secretes both enzymes
and hormones?
a. Liver
b. Gallbladder

, c. Pancreas
d. Stomach

e. Small intestine - ANSWER c. Pancreas


The liver and the stomach are located in the ___.
a. Cranial cavity
b. Thoracic cavity
c. Spinal cavity
d. Abdominal cavity

e. Pelvic cavity - ANSWER d. Abdominal cavity


What path does a molecule of oxygen take from the nose to the respiratory
surface? - ANSWER Pharynx --> Larynx --> Trachea --> Bronchus --> Bronchiole -
-> Alveolus


Where does carbohydrate digestion begin?
a. Mouth
b. Stomach
c. Small intestine
d. Liver

e. Large intestine - ANSWER a. Mouth


Oxygen is mostly transported through the body:
a. Dissolved in the blood
b. Dissolved in red blood cells

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