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WorksheetsPrac 5/6 Digestive System
Total questions: 29
Worksheet time: 2hrs 56mins
Use page 861 - 863, 883, 871, 888 - 889 and 893 of the prescribed textbook to label the images in this lab.
This image shows the layers of the digestive tract. Which of these statement is true?
The innermost layer is the mucosa which consists of a simple columnar epithelium, a layer of connective tissue called the lamina propria and a thin layer of smooth muscle cells, the serosa.
The innermost layer is the mucosa which consists of a simple columnar epithelium, a layer of connective tissue called the lamina propria and a thin layer of smooth muscle cells, the muscularis mucosae.
This image shows the layers of the digestive tract. Which of these statement is true?
The submucosa is a layer of areolar connective tissue richly supplied with blood and lymphatic vessels. External to the submucosa is the muscularis layer consisting of two layers of smooth muscle.
The submucosa is a layer of areolar connective tissue richly supplied with blood and lymphatic vessels. External to the submucosa is the muscularis layer consisting of three layers of smooth muscle.
This image shows the layers of the digestive tract. Which of these statement is true?
The inner muscle layer is arranged circularly and the outer muscle layer is arranged longitudinally.
The inner muscle layer is arranged longitudinally and the outer muscle layer is arranged circularly .
This image shows the layers of the digestive tract. Which of these statement is true?
The outer layer of the wall of most of the digestive structures in the abdominopelvic region is formed by serous membrane (serosa) which forms the peritoneal membranes. In other areas, the outer layer is formed by connective tissue termed adventitia.
The outer layer of the wall of most of the digestive structures in the abdominopelvic region is formed by serous membrane (serosa) which forms the peritoneal membranes. In other areas, the outer layer is formed by connective tissue termed submucosa.
The part of the digestive system between the mouth and the oesophagus is the ....
larynx
pharynx
This resource should help you answer a question located at the end of practical 5.
Which type of digestion produces a larger surface area on food particles so that enzymes can digest them more efficiently?
(a)
Which type of digestion uses enzymes to produce small soluble molecules?
(a)
Chemical digestion of carbohydrate occurs in
1 and 2 only
1 and 4 only
2 and 3 only
3 and 4 only
Mechanical digestion takes place at
1 and 3
1 and 4
3 and 4
1, 3 and 4
Amylase is secreted by
salivary glands only
pancreatic glands only
Salivary and pancreatic glands
liver and small intestine
Most nutrient absorption occurs in the ________________ .
mouth
stomach
large intestines
small intestines
Protein digestion occurs mainly in
1 and 3
2 and 3
2 and 5
3 and 5
Protein digestion takes place
in the mouth
in the stomach
in the stomach and duodenum
all of the above
The diagrams represent molecules of starch, protein and fat.
Which of the following mixtures of molecules will be found in the stomach?
Protein is broken down into ______________ before they are asborbed into the small intestines.
fatty acids
amino acids
citric acid
hydrochiloric
Bile is a digestive juice in our body. Which of the following statements about bile is correct?
It is produced by the gall bladder.
It contains an enzyme that digests fat.
It helps break down fat into droplets.
It stimulates peristaltic movement of the small intestine.
The diagram shows the structure of a villus in the small intestine. The arrows show the direction of the flow of fluids. Where will fatty acids and glycerol be present in the largest amount?
A
B
C
D
____________ in the pancreatic and intestinal juice completes the digestion of fats.
Amylase
Renin
Pepsin
Lipase
Which of the following answers correctly sequences the pathway food takes from the beginning to end?
mouth, esophagus, stomach, small intestine, large intestine
mouth, esophagus, stomach, large intestine, small intestine
mouth, stomach, esophagus, small intestine, large intestine
mouth, stomach, esophagus, large intestine, small intestine
Structure 12 is the
pancreas
salivary glands
mouth
esophagus
Structure 4 is the
pancreas
liver
stomach
gall bladder
Structure 5 is the
pancreas
appendix
salivary gland
gall bladder
Structure 8 is the
pancreas
stomach
large intestine
small intestine
Structure 11 is the
gall bladder
appendix
large intestine
small intestine
What organ is responsible for the absorption of water and movement of waste?
large intestine
small intestine
stomach
oral cavity
Which organ stores and releases bile?
liver
gallbladder
pancreas
