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Anatomy And Physiology II Final Review Of Exam 4 Questions

45 Questions
Anatomy Quizzes & Trivia
Questions and Answers
  • 1. 
    The digestive system processes food, extracts nutrients, and eliminates the residue.
    • A. 

      True

    • B. 

      False

  • 2. 
    Both chemical and mechanical digestion start in the mouth and continue in the stomach
    • A. 

      True

    • B. 

      False

  • 3. 
    Gastric Juice consists entirely of water and HCl
    • A. 

      True

    • B. 

      False

  • 4. 
    Absorption of many nutrients starts in the stomach
    • A. 

      True

    • B. 

      False

  • 5. 
    The liver is the body's largest gland
    • A. 

      True

    • B. 

      False

  • 6. 
    Both pancreatic juice and bile are secreted into the duodenum
    • A. 

      True

    • B. 

      False

  • 7. 
    The brush borders of intestinal absorptive cells contain numerous goblet cells
    • A. 

      True

    • B. 

      False

  • 8. 
    Most fat is digested by pancreatic lipase
    • A. 

      True

    • B. 

      False

  • 9. 
    Chylomicrons are secreted from the basal surface of the absorptive cells and taken into the lacteal in the villus
    • A. 

      True

    • B. 

      False

  • 10. 
    The large intestine is longer than the small intestine
    • A. 

      True

    • B. 

      False

  • 11. 
    ________ is the physiological process that moves a nutrient from the outside to the inside of the body.
    • A. 

      Ingestion

    • B. 

      Compaction

    • C. 

      Digestion

    • D. 

      Absorption

    • E. 

      Secretion

  • 12. 
    The serous membranes that suspend the stomach and intestines from the abdominal wall are called
    • A. 

      Mesenteries

    • B. 

      Mucosae

    • C. 

      Submucosae

    • D. 

      Muscularis mucosae

    • E. 

      Muscularis externa

  • 13. 
    These nutrients are all absorbed without being digested except
    • A. 

      Water

    • B. 

      Vitamins

    • C. 

      Proteins

    • D. 

      Minerals

    • E. 

      Cholesterol

  • 14. 
    Chemical digestion breaks down _____ into ______
    • A. 

      Proteins; nucleotides

    • B. 

      Amino acids; proteins

    • C. 

      Polysaccharides; amino acids

    • D. 

      Nucleic acids; nucleotides

    • E. 

      Fatty acids; cholesterol

  • 15. 
    The surface of the tongue is covered with _______ stratified squamous epithelium, and has bumps called ________, the site of tastebuds
    • A. 

      Keratinized; lingual papillae

    • B. 

      Keratinized; lingual frenulum

    • C. 

      Non keratinized; lingual papillae

    • D. 

      Nonkeritinized; tonsils

    • E. 

      Nonkeritinized; vallate papillae

  • 16. 
    These are normally found in saliva except
    • A. 

      Mucous

    • B. 

      Lysozyme

    • C. 

      Amylase

    • D. 

      Lipase

    • E. 

      Protease

  • 17. 
    The swallowing center is located in 
    • A. 

      The mouth

    • B. 

      The oropharynx

    • C. 

      The esophagus

    • D. 

      The medulla oblongata

    • E. 

      The enteric nervous system

  • 18. 
    Acid reflux into the esophagus ("heartburn") is noramlly prevented by 
    • A. 

      Pharyngeal constrictors

    • B. 

      The upper esophageal sphincter

    • C. 

      The lower esophageal sphincter

    • D. 

      Esophageal glands

    • E. 

      Pharyngeal and buccal sphincters

  • 19. 
    Hydrochloric  acid (HCl) is secreted by _____ cells
    • A. 

      Mucous

    • B. 

      Regenerative (stem)

    • C. 

      Parietal

    • D. 

      Chief

    • E. 

      Enteroendocrine

  • 20. 
    _________, which is secreted by _____ cells, is necessary for vitamin B12 absorption
    • A. 

      Intrinsic factor; parietal

    • B. 

      Bile salts; chief

    • C. 

      Lecithin; hepatic

    • D. 

      Hydrochloric acid; parietal

    • E. 

      Enterokinase; mucous

  • 21. 
    Pepsinogen is produced by ______ and is activated by _______
    • A. 

      Chief cells; carbonic anhydrase secreted by parietal cells

    • B. 

      Chief cells; HCl secreted by parietal cells

    • C. 

      Parietal cells; HCl secreted by chief cells

    • D. 

      Parietal cells; carbonic anhydrase secreted by chief cells

    • E. 

      Enteroendocrine cells; carbonic anhydrase secreted by parietal cells

  • 22. 
    The enterogastric reflex serves to 
    • A. 

      Relax the stomach in preparation for swallowed food

    • B. 

      Stimulate acid and enzyme secretion when food enters the stomach

    • C. 

      Stimulate intestinal motility when there is food in the stomach

    • D. 

      Inhibit gastric motility when there is chyme in the small intestine

    • E. 

      Relax the ileocecal vlave when chyme is on its way to the colon

  • 23. 
    ________ is a hormone, whereas ______ is an enzyme
    • A. 

      Enterokinase; pepsin

    • B. 

      Gastrin; secretin

    • C. 

      Gastrin; cholecystokinin

    • D. 

      Gastric lipase; histamine

    • E. 

      Secretin; pepsin

  • 24. 
    _____ is associated with food stretching the stomach and activating myenteric and vagovagal reflexes, which in turn stimulates gastric secretions
    • A. 

      The cephalic phase

    • B. 

      The gastric phase

    • C. 

      The intestinal phase

    • D. 

      The gastrointestinal phase

    • E. 

      The mesenteric phase

  • 25. 
    The organ that stores excess glucose and releases it later into the blood is 
    • A. 

      The pancreas

    • B. 

      The stomach

    • C. 

      The liver

    • D. 

      The spleen

    • E. 

      The small intestine

  • 26. 
    The hepatic triad consists of
    • A. 

      Right, left and common hepatic ducts

    • B. 

      Common hepatic duct, cystic duct and bile duct

    • C. 

      Hepatic portal vein, and 2 hepatic ducts

    • D. 

      Bile ductule, branch of hepatic artery, and branch of hepatic portal vein

    • E. 

      A central vein, hepatic lobule, hepatic sinusoid

  • 27. 
    Of the following components of bile, only _________ has/have a digestive function
    • A. 

      Bile salts

    • B. 

      Bilirubin

    • C. 

      Cholesterol

    • D. 

      Phospholipids

    • E. 

      Neutral fats

  • 28. 
    The _______ synthesizes bile acids by metabolizing ________.
    • A. 

      Duodenum; neutral fats

    • B. 

      Ileum; bilirubin

    • C. 

      Gallbladder; cholesterol

    • D. 

      Pancreas; bile salts

    • E. 

      Liver; cholesterol

  • 29. 
    Pancreatic enzymes are secreted in response to the hormone
    • A. 

      Insulin

    • B. 

      CCK

    • C. 

      Secretin

    • D. 

      Glucagon

    • E. 

      Gastrin

  • 30. 
    Which of these nutrients is absorbed by the lacteals of the small intestine?
    • A. 

      Triglycerides

    • B. 

      Amino acids

    • C. 

      Glucose

    • D. 

      Minerals

    • E. 

      Water-soluble vitamins

  • 31. 
    Which of these is the site of contact digestion?
    • A. 

      Gastric pits

    • B. 

      Surface of the gastric mucosa

    • C. 

      Intestinal crypts

    • D. 

      Brush border od the small intestine

    • E. 

      Cytoplasm int he cells of the small intestine

  • 32. 
    Carbohydrate digestion begins in the _______, whereas protein digestion begins in the ________.
    • A. 

      Liver; small intestine

    • B. 

      Small intestine; stomach

    • C. 

      Mouth; stomach

    • D. 

      Mouth; small intestine

    • E. 

      Stomach; small intestine

  • 33. 
    _________ break(s) down________.
    • A. 

      Lactase; glucose

    • B. 

      Peptidases; proteins

    • C. 

      Micelles; lipase

    • D. 

      Lactose; lactase

    • E. 

      Nucleases; nucleotides

  • 34. 
    The sodium-glucose transport protein (SGLP)
    • A. 

      Is a uniport carrier

    • B. 

      Is an antiport carrier

    • C. 

      Uses solvent drag to transport glucose and sodium

    • D. 

      Transports glucose and sodium from the intestinal lumen into epithelial cells

    • E. 

      Transports glucose from the intestinal lumen into the epithelial cells, and sodium in the opposite direction

  • 35. 
    Amino acids and monosaccharides are absorbed in the ____, and fatty acids are absorbed in the _________.
    • A. 

      Small intestine; large intestine

    • B. 

      Small intestine; liver

    • C. 

      Stomach; small intestine

    • D. 

      Stomach; large intestine

    • E. 

      Small intestine; small intestine too

  • 36. 
    Proteins are digested by different enzymes acting in the following sequence
    • A. 

      Pepsin, trypsin, carboxypeptidase, dipeptidase

    • B. 

      Pepsin, trypsin, dipeptidase, carboxypeptidase

    • C. 

      Trypsin, pepsin, carboxypeptidase, dipeptidase

    • D. 

      Trypsin, pepsin, dipeptidase, carboxypeptidase

    • E. 

      Dipeptidase, carboxypeptidase, pepsin, trypsin

  • 37. 
    ________ transport lipids to the surface of the intestinal absorptive cells, which process thwm into _________.
    • A. 

      Fat droplets; micelles

    • B. 

      Fat droplets; chylomicrons

    • C. 

      Micelles; fat globules

    • D. 

      Micelles; chylomicrons

    • E. 

      Fat globules; micelles

  • 38. 
    The three most abundant classes of nutrients are
    • A. 

      Carbs, proteins, and minerals

    • B. 

      Fats, proteins, carbs

    • C. 

      Proteins, nucleic acids, carbs

    • D. 

      Triglycerides, starches, proteins

    • E. 

      Proteins, fats, minerals

  • 39. 
    Bacterial flora carry out all the following except
    • A. 

      Digest most of the proteins we get in the diet

    • B. 

      Synthesize vitamin K

    • C. 

      Produce some of the gases found in flatus

    • D. 

      Digest cellulose

    • E. 

      Form part of the feces

  • 40. 
    Defecation is stimulated by
    • A. 

      The chemical composition of the feces

    • B. 

      Bacterial flora in the feces

    • C. 

      Water content of the feces

    • D. 

      Lipid content in the feces

    • E. 

      Stretching of the rectum

  • 41. 
    Micelles contain all of the following except
    • A. 

      Bile salts

    • B. 

      Lecithin

    • C. 

      Cholesterol

    • D. 

      Diglycerides

    • E. 

      Monosaccharides

  • 42. 
    Which of the following ethnic groups has the lowest rate of lactose intolerance?
    • A. 

      Scandanavians

    • B. 

      Blacks

    • C. 

      Asians

    • D. 

      Italians

    • E. 

      Arabs

  • 43. 
    Which of the following converts disaccharides to monosaccharides
    • A. 

      Amylase

    • B. 

      Lactase

    • C. 

      Carboxypeptidase

    • D. 

      Pepsin

    • E. 

      Gastrin

  • 44. 
    Ulcers are primarily caused by 
    • A. 

      Heliobacter pylori

    • B. 

      E. coli

    • C. 

      Porphyromonas gingivalis

    • D. 

      Salmonella typhi

    • E. 

      Campylobacter jejuni

  • 45. 
    Pancreatic juice contains all of the following except
    • A. 

      Water

    • B. 

      Enzymes

    • C. 

      Zymogens

    • D. 

      Sodium bicarbonate

    • E. 

      HCl