Module 6: BIOD 103/ BIOD103 (NEW 2026/ 2027 Update)
Medical Terminology | Questions & Answers| Grade A|
100% Correct (Accurate Solutions)- Portage Learning
Q. What is the alimentary canal?
Answer
the whole passage along which food passes through the body from mouth to anus. It includes the
esophagus, stomach, and intestines.
Q. Name the parts of the oral cavity that form the roof, sides, entrance, and floor.
Answer
The roof of the oral cavity is the hard and soft palates, the sides of the mouth are the cheeks, the entrance to
the mouth is the lips, and the floor of the mouth is formed from the tongue.
Q. Describe the structure and function of the tongue. Identify the different types of teeth and name their
functions.
Answer
The tongue is made of muscle. It functions to taste food, move food around the mouth for chewing, and to
initiate swallowing.
Q. There are four different types of teeth: incisors, molars, premolars, and canines. Incisors and canines
are used for biting into food, as they have a sharp cutting edge.
Answer
The premolars and molars are used for crushing food, as the crown of the tooth is broad.
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,Q. describe the roles of the esophagus and pharynx in digestion? Whats at the end?
Answer
several layers of muscle that contract in a coordinated way to move the food bolus and liquid from the
pharynx to the stomach.
lower esophageal sphincter,
Q. Describe the role of the epiglottis during swallowing.
Answer
The epiglottis covers the entrance to the trachea during swallowing so that food enters the esophagus, not
the trachea.
Q. what are the three parts of the stomach
Answer
The stomach has three parts: the fundus is the upper part, the body is the main part, and the lower part is
the antrum.
Q. Describe the two types of digestion performed by the stomach. What do these two types of digestion
produce and where does it go next?
Answer
The stomach performs mechanical and chemical digestion. Mechanical digestion occurs as the muscles in
the walls of the stomach contract to churn the food with the digestive juices in the stomach.
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, Q. Chemical digestion occurs as the digestive enzymes within the gastric juices mix with the food and
break it down.
Answer
The product of these actions is called chyme, a liquid that is then released from the stomach into the small
intestine through the pyloric sphincter.
Q. Describe the differences between the small and large intestines in terms of size and function.
Answer
The small intestine functions to continue chemical digestion and to absorb nutrients through villi located in
the walls of the small intestine. The diameter of the small intestine is about 1 inch, and it is 21 feet long.
starts at the pyloric sphincter ends at ileocecal sphincter
Q. The large intestine functions to compact the leftover waste into feces, absorb water from the chyme,
and remove feces from the body through defecation.
Answer
The diameter of the large intestine is 2 ½ inches, and it is 5 feet long.starts at the ilecoceal valve ends at
anus
Q. What are the three sections of the small intestine? What are the four sections of the large intestine?
Answer
The three sections of the small intestine are the duodenum, ileum, and jejunum. The four sections of the
large intestine are the cecum, colon, anal canal, and rectum.
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