Bioscience - Digestive 2020

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Observe the image above name the very narrow dark line indicated by the arrow.
Oesophagus
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Observe the diagram below name the structure indicated by the arrow
Hyoid bone
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Name the digestive enzymes that are produced in and around the mouth to begin digestive work on the food bolus in the mouth
A and C are correct (Salivary amylase & Lingual lipase)
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There are several pairs of salivary glands in humans they are:
Parotid, submandibular and sublingual
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The movement of food bolus along the oesophagus is called
Peristalsis
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The muscles of the oesophagus are organized as … read carefully
Skeletal in the upper third only, then a mix of both in second third, and smooth muscle only in the lower third
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The opening into the stomach is called
The cardia
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The stomach is lined with folds called
Rugae
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The stomach produces gastric juice which contains:
Mucous, HCl, Pepsinogen, Intrinsic factor
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The nature and purpose of gastrin in gastric physiology is
A hormone that stimulates gastric motility (churning) and HCl production
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The first section of the small intestine just beyond the stomach exit is called
The duodenum
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The absorption of many nutrients takes place across the vascular
Small Intestine, mucosal villi
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Fatty molecules don’t enter the main vasculature at the absorption site instead they enter the …………………… to be ………………………….
The lacteal to be modified into a chylomicron in order that it can travel in the blood
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The pancreatic duct enters the duodenum via the
The sphincter of Oddi
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The pancreatic secretions are carried in an alkaline medium, this is necessary because
Food bolus from stomach is strongly acidic, alkaline helps neutralize and prevents pancreatic enzyme denaturation
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Pancreatic juice contains enzymes for which biochemical food categories
Carbohydrates, fat, protein and nucleic acids
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In the stomach partial digestion (chemically) occurs with the following food categories:
Mainly protein and a little fat
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The fold of peritoneum that covers the liver is called
The lesser omentum
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How are amino acids transported from the intestinal mucosa to the blood vessels
Active transport
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What is the name of the movement that takes place in the small intestine, that pushes the food bolus along
Segmentation
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The very end of the small intestine is called
The ileocaecal junction
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The large intestine has the important role/s of
Excretion, water reabsorption, a microbial habitat for both defense purposes and the production of several B vitamins and vitamin K
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Other cards in this set

Card 2

Front

Observe the diagram below name the structure indicated by the arrow

Back

Hyoid bone

Card 3

Front

Name the digestive enzymes that are produced in and around the mouth to begin digestive work on the food bolus in the mouth

Back

Preview of the front of card 3

Card 4

Front

There are several pairs of salivary glands in humans they are:

Back

Preview of the front of card 4

Card 5

Front

The movement of food bolus along the oesophagus is called

Back

Preview of the front of card 5
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