Biod 151 Lab3- Exam All Questions & Answers 100% Quaranteed

Question 1 4 / 4 pts List the 5 stages of digestion. Your Answer: 1-Ingestion 2-Digestion 3-Absorption 4-Compaction 5-Defecation Ingestion, Digestion, Absorption, Compaction, Defecation Question 2 2 / 2 pts True or False: The esophagus is considered a primary organ of the GI tract. Correct! True False Question 3 2 / 2 pts True or False: The tongue is considered a primary organ of the GI tract. True Correct! False This study source was downloaded by from CourseH on :19:15 GMT -05:00 This study resource was shared via CourseH Question 4 2 / 2 pts True or False: Mechanical digestion in the mouth is carried out by way of salivary amylase. True Correct! False False, mechanical digestion in the mouth is carried out by the teeth. Question 5 2.5 / 2.5 pts What is the function of the structure pictured above specified by the pointer? Your Answer: It is Epiglottis. It is a small cartilage structure that closes the opening to the airway when swallowing food. Also, Epiglottis prevents food particles from entering to trachea. The function of the epiglottis, which is pictured above, is to prevent food from entering the airway upon swallowing. Question 6 2.5 / 2.5 pts Identify the structure in the picture above, specified by the pointer, then describe its relationship to the trachea using anatomical terminology. Your Answer: That is esophagus. The esophagus is posterior to the trachea. The esophagus, pictured above, runs posteriorly to the trachea. Question 7 2.5 / 2.5 pts This study source was downloaded by from CourseH on :19:15 GMT -05:00 This study resource was shared via CourseH Identify the sphincter pictured above (specified by the arrow and highlighted in blue) and describe its function. Your Answer: Pyloric sphincter controls contents for entering small intestine from the stomach. It keeps food from flowing into the stomach. The pyloric sphincter regulates the passage of food from the stomach to the small intestine. It keeps food from flowing back into the stomach. Question 8 2.5 / 2.5 pts Identify the structure in the above picture, specified by the arrow, and describe its function. Your Answer: That is Gastric Rugae. It is increase surface area of the stomach allowing it to expand when food enters. Also It is folds of tissue found inside the stomach. Gastric rugae increase surface area of the stomach allowing it to expand when food enters.