Digestive System Quiz

What is the function of ingestion in the digestive system?

• Mixing and moving the food down the alimentary tract

• Taking food into the alimentary tract

• Chemical digestion of food into smaller molecules

• Excreting undigested food in the feces

Which layer of the digestive tract contains sympathetic and parasympathetic nerves?

• Adventitia or serosa

• Muscle layer

• Submucosa

• Mucosa

What is the main function of the parietal peritoneum?

• Contains a fluid

• Lines the wall of the abdominal cavity

• Covers the abdominal organs

• Forms a closed sac

What type of muscles make up the outer layer of the muscle layer in the digestive tract?

• Striated (voluntary) muscles

• Longitudinal muscle fibers

• Circular muscle fibers

• Smooth (involuntary) muscles

What is the main function of the lamina propria in the mucosa of the GI tract?

• Absorption

• Secretion

• Vascular support

• Protection

Which nerve supply to the digestive system is responsible for increasing muscular activity and glandular secretion?

• Yellow-Sensory

• Green-Somatic

• Blue-Parasympathetic

• Red-Sympathetic

What is the main function of salivary amylase in the saliva?

• Contain antibacterial substances

• Produce mucus

• Secrete a protective mucus layer

• Digest starch

What is the function of acini in the salivary glands?

• Digest starch

• Produce saliva

• Contain antibacterial substances

• Secrete a protective mucus layer

What is the main function of the sublingual salivary glands?

• Produce saliva

• Secrete a protective mucus layer

• Digest starch

• Contain antibacterial substances

What is the main function of the submucosa in the digestive tract?

• Protection

• Secretion

• Absorption

• Vascular support