Digestive System: Alimentary Canal Anatomy & Processes
Test covering the anatomy and physiological processes of the alimentary canal, including esophagus, stomach, small intestine, large intestine, villi, digestive hormones, enzymes, and movements like peristalsis.
Questions
Which structure closes the tracheal opening when the food is swallowed?
- Gullet
- Sphincter muscles
- Epiglottis
- Internal nares
Which tube connects the pharynx to the stomach?
- Larynx
- Eustachian tubes
- Esophagus
- Trachea
Which acid is present in gastric juice?
- H2SO4
- HCl
- HNO3
- Acetic acid
Which sphincter prevents the regurgitation of food?
- Pyloric
- Oddi
- Cardiac
- Ileocecal
Which of the following organs are not a part of the alimentary canal?
- Duodenum, Jejunum
- Rectum, Anus
- Liver, Pancreas
- Esophagus, mouth
Which is the exocrine hormone secreted by the pyloric stomach?
- Bilurubin
- Insulin
- Renin
- Gastrin
Where are club shaped villi and peyer's patches found?
- Jejunum
- Ileum
- Duodenum
- Reticulum
What is the function of villi?
- Assimilation of food
- Digestion of food
- Absorption of food
- Egestion of food
What is the length of the small intestine in humans?
- 3.5 m
- 6.5 m
- 1.5 m
- 5.6 m
Where are the cellulose digesting bacteria present?
- Abomasum
- Omasum
- Reticulum and Rumen
- Small intestine
The condition of appendicitis is associated with which part of the alimentary canal?
- Small intestine
- Stomach
- Rectum
- Large intestine
What is the main function of the large intestine?
- Digestion of food
- Assimilation of food
- Absorption of water
- Storage of food
What is the involuntary muscle movement of the alimentary canal called?
- Pumping
- Expanding and contracting
- Peristalsis
- Shivering
Which cells of the gastric glands secrete diluted HCl and intrinsic factor?
- Zymogen cells
- Peptic cells
- Oxyntic cells
- Goblet cells
Which vitamin requires intrinsic factor for absorption?
- Vitamin C
- Vitamin D
- Vitamin B12
- Vitamin E