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Question 1 (10 points)   Mechanical digestion occurs when food is...

Question 1 (10 points)

 








Mechanical digestion occurs when food is broken into smaller pieces, but the chemical makeup of the food does not change. The following is associated with mechanical digestion except ____________.

Question 1 options:


Churning


Enzymes


Segmentation


Chewing


Mastication

Question 2 (10 points)

 








Our body's ability to absorb vitamins from foods and supplements we take is vital to our health. Why do you think consuming some fat in the diet is important?

Question 2 options:


We need fat to help with absorption of fat-soluble vitamins such as A, D, E, and K


We need fat to help with absorption of water-soluble vitamins such as C, B1, B6 and B9


We need fat to help with absorption of protein


We need fat to help with absorption of fiber


None of the above

Question 3 (10 points)

 








How many lobes does the liver have?

Question 3 options:


3


1


2


4


5

Question 4 (10 points)

 








Where are carbohydrates first digested?

Question 4 options:


Esophagus


Liver


Mouth


Stomach


Small intestine

Question 5 (10 points)

 








The two regulatory mechanisms (controls) of the digestive system are _________ and __________.

Question 5 options:


Neural and hormonal


Hormonal and enzymatic


Neural and enzymatic


The digestive system only has enzymatic control and nothing else


None of the above

Question 6 (10 points)

 








The ___________ is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.

Question 6 options:


Muscularis (externa)


Submucosa


Serosa


Muscularis mucosa


None of the above

Question 7 (10 points)

 








In which organ below does the majority of digestion occur?

Question 7 options:


Large intestine


Stomach


Liver


Small intestine


Pancreas

Question 8 (10 points)

 








Food makes its way from the esophagus into the stomach. Before passing into the stomach it must go through the ___________ .

Question 8 options:


Upper esophageal sphincter


Duodenum


Trachea


Lower esophageal sphincter


Oropharynx

Question 9 (10 points)

 








Which organ below produces bile for use in digestion?

Question 9 options:


Pancreas


Liver


Gallbladder


Duodenum


None of the above

Question 10 (10 points)

 








The __________ is where chemical digestion begins.

Question 10 options:


Stomach


Pancreas


Large intestine


Mouth


Small intestine

Answer & Explanation
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