CMB2007 - Session 8 Exam Questions And Accurate
Solutions 2024-2025
What does the GI tract comprise? -.oral cavity
.oesophagus
.stomach
.small and large intestines
.rectum
Which other organs are also considered to be part of the GI tract? -.liver, pancreas and
gall bladder
What is the purpose of the oral cavity? -.ingestion, fragmentation, initial digestion and
pathogen defences
What is the function of simple passages? -.to transport food and residues
What is the function of digestive tract? -Answer digestion of food by enzymes and
absorption of molecules
What is the function of accessory secretory gland system? -Answer to manufacture
secretions which are conveyed to the digestive system by ducts
What kinds of epithelium can be found along the GI tract? -Answer .simple squamous
.stratified squamous
.simple cuboidal
.stratified cuboidal
,.simple columnar
.stratified columnar
How many layers are found in simple epithelium? - Answer 1 layer
What is the structure of squamous cells? - Answer flattened
How many layers to stratified epithelium have? - Answer >1
What are the mechanisms of the mouth designed to deal with? - Answer digestion and
pathogen defences
What type of epithelium lines the mouth and tongue? - Answer stratified squamous
epithelium
What can be found in the submucosa of the mouth? - Answer salivary glands
What is the function of muscles of mastication? - Answer to move the lower jaw, allows
the lower teeth to contact the upper teeth
What is the function of the temporalis muscle? - Answer main effector to elevate the jaw
What is the function of the masseter muscle? - Answer elevates and protrudes the lower
jaw
What is the role of pterygoid muscles? -Lateral movement of mandible
Name three major salivary glands? -.parotid
.submandibular
, .sublingual
What type of saliva do submandibular glands produce? -Both serous and mucus
What type of Saliva does the parotid gland produce? -Serous saliva
What type of Saliva does the sublingual gland produce? -Mucus saliva
Which salivary gland is the largest? -Answer the parotid gland
Which salivary gland is the smallest? -Answer the sublingual gland
How is saliva produced? -Answer by acini of salivary glands, by the active filtration of
ions from the blood
Where is the composition of saliva modified? -Answer in the ducts
How is the composition and volume of saliva that is secreted modified? -Answer by
autonomic stimulation
What effect does parasympathetic stimulation have on the production of saliva? -
Answer large volumes of watery saliva
What effect does sympathetic stimulation have on the production of saliva? - Answer
small volumes of mucous saliva
What are some functions of saliva? - Answer Lubrication due to mucin content
Digestion due to presence of α-amylase
Protection of oral mucosa through lubrication, rinsing action and alkaline pH
Solutions 2024-2025
What does the GI tract comprise? -.oral cavity
.oesophagus
.stomach
.small and large intestines
.rectum
Which other organs are also considered to be part of the GI tract? -.liver, pancreas and
gall bladder
What is the purpose of the oral cavity? -.ingestion, fragmentation, initial digestion and
pathogen defences
What is the function of simple passages? -.to transport food and residues
What is the function of digestive tract? -Answer digestion of food by enzymes and
absorption of molecules
What is the function of accessory secretory gland system? -Answer to manufacture
secretions which are conveyed to the digestive system by ducts
What kinds of epithelium can be found along the GI tract? -Answer .simple squamous
.stratified squamous
.simple cuboidal
.stratified cuboidal
,.simple columnar
.stratified columnar
How many layers are found in simple epithelium? - Answer 1 layer
What is the structure of squamous cells? - Answer flattened
How many layers to stratified epithelium have? - Answer >1
What are the mechanisms of the mouth designed to deal with? - Answer digestion and
pathogen defences
What type of epithelium lines the mouth and tongue? - Answer stratified squamous
epithelium
What can be found in the submucosa of the mouth? - Answer salivary glands
What is the function of muscles of mastication? - Answer to move the lower jaw, allows
the lower teeth to contact the upper teeth
What is the function of the temporalis muscle? - Answer main effector to elevate the jaw
What is the function of the masseter muscle? - Answer elevates and protrudes the lower
jaw
What is the role of pterygoid muscles? -Lateral movement of mandible
Name three major salivary glands? -.parotid
.submandibular
, .sublingual
What type of saliva do submandibular glands produce? -Both serous and mucus
What type of Saliva does the parotid gland produce? -Serous saliva
What type of Saliva does the sublingual gland produce? -Mucus saliva
Which salivary gland is the largest? -Answer the parotid gland
Which salivary gland is the smallest? -Answer the sublingual gland
How is saliva produced? -Answer by acini of salivary glands, by the active filtration of
ions from the blood
Where is the composition of saliva modified? -Answer in the ducts
How is the composition and volume of saliva that is secreted modified? -Answer by
autonomic stimulation
What effect does parasympathetic stimulation have on the production of saliva? -
Answer large volumes of watery saliva
What effect does sympathetic stimulation have on the production of saliva? - Answer
small volumes of mucous saliva
What are some functions of saliva? - Answer Lubrication due to mucin content
Digestion due to presence of α-amylase
Protection of oral mucosa through lubrication, rinsing action and alkaline pH
