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BIOD 151 lab 3 exam: digestive system (Portage learning), Exams of Biology

University of LeedsBiology

LAB 3 Exam: Digestive System 1. List the 5 stages of digestion. 1. ingestion 2. digestion (chemical and mechanical) 3. absorption 4. compaction 5. defecation/elimination 2. True or False: The esophagus is considered a primary organ of the GI tract. True 3. True or False: The esophagus is considered an accessory organ of the GI tract. False 4. True or False: The tongue is considered an accessory organ of the GI tract. True 5. True or False: The tongue is considered a primary organ of the GI tract. False 6. True or False: Mechanical digestion in the mouth is carried out by way of salivary amylase. False (mechanical digestion in the mouth is carried out by the teeth) 7. True or False: Chemical digestion in the mouth is carried out by way of salivary amylase. True 8. Which portion of the pharynx is located above the structure pictured below? The nasopharynx is located above the soft palate

Typology: Exams

2023/2024

Available from 11/20/2023

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Anatomy and Physiology I (BIOD 151)
LAB 3 Exam: Digestive System
1. List the 5 stages of digestion.
1. ingestion
2. digestion (chemical and mechanical)
3. absorption
4. compaction
5. defecation/elimination
2. True or False: The esophagus is considered a primary organ of the GI tract.
True
3. True or False: The esophagus is considered an accessory organ of the GI tract.
False
4. True or False: The tongue is considered an accessory organ of the GI tract.
True
5. True or False: The tongue is considered a primary organ of the GI tract.
False
6. True or False: Mechanical digestion in the mouth is carried out by way of
salivary amylase.
False (mechanical digestion in the mouth is carried out by the teeth)
7. True or False: Chemical digestion in the mouth is carried out by way of salivary amylase.
True
8. Which portion of the pharynx is located above the structure pictured below?
The nasopharynx is located above the soft palate
pf3
pf4
pf5
pf8

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Anatomy and Physiology I (BIOD 151) LAB 3 Exam: Digestive System

  1. List the 5 stages of digestion. 1. ingestion 2. digestion (chemical and mechanical) 3. absorption 4. compaction 5. defecation/elimination
  2. True or False: The esophagus is considered a primary organ of the GI tract. True
  3. True or False: The esophagus is considered an accessory organ of the GI tract. False
  4. True or False: The tongue is considered an accessory organ of the GI tract. True
  5. True or False: The tongue is considered a primary organ of the GI tract. False
  6. True or False: Mechanical digestion in the mouth is carried out by way of salivary amylase. False (mechanical digestion in the mouth is carried out by the teeth)
  7. True or False: Chemical digestion in the mouth is carried out by way of salivary amylase. True
  8. Which portion of the pharynx is located above the structure pictured below? The nasopharynx is located above the soft palate

9. What is the function of the structure pictured above specified by the pointer? Epiglottis is a small cartilage structure that closes the opening to the airway (trachea) when swallowing food. It prevents food particles from entering the trachea.

  1. Identify the structure in the picture below, specified by the pointer, then describe its relationship to the trachea using anatomical terminology. Esophagus. The esophagus is posterior to the trachea. 11. Identify the sphincter pictured below (highlighted in blue) and describe its function. Cardiac sphincter. It regulates passage of food from the esophagus to the stomach and keeps stomach contents from flowing back into the esophagus.
  1. Which of the following statements best describes the structure pictured below, specified by the arrow. a. Each segment is a collection of fecal material. b. This structure can be found in the large intestine and increases surface area to allow for nutrient absorption. c. a and b are false. d. a and b are true.
  2. Identify the membranous structure pictured below, specified by the pointer, and describe its function. The mesentery is a weblike structure that serves to anchor small intestine to the abdominal cavity. Also prevents the small intestine from twisting.
  1. Identify the structure pictured below, specified by the pointer. Large intestine or the colon
  2. Identify the specific structure pictured below, specified by the pointer. Ascending colon
  3. Identify the specific structure pictured above, specified by the pointer. Descending colon
  1. Which of the following statements is TRUE regarding the accessory organ pictured below (highlighted in blue)? a. It produces bile to digest fats and cholesterol. b. It produces insulin to metabolize blood glucose. c. It is considered endocrine and exocrine. d. It stores glycogen, vitamins, and minerals. e. a and d are true. f. b and c are true. g. All of the above are true statements.
  1. Which of the following statements is FALSE regarding the accessory organ pictured above (highlighted in blue)? a. 90% of the cells perform digestive functions. b. It produces insulin to metabolize blood glucose. c. It is considered endocrine and exocrine. d. All of the above statements are true.
  2. Describe the clinical condition that results when the organ pictured below (specified by the pointer) is not able to function properly. When the gallbladder is unable to break down fat and cholesterol present in the body, gall stones will occur. Pain occurs when these stones block the duct passing from the gallbladder to the liver.