Bms 300 Exam 4

37 Questions | Total Attempts: 252

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Glucose Quizzes & Trivia

Exam 4 from Spring 2009


Questions and Answers
  • 1. 
    Cholecystokinin (CCK) is a peptide hormone released from cells in the small intestine. It binds to receptors on:
    • A. 

      S cells in the intestinal mucosa

    • B. 

      Chief cells in the stomach

    • C. 

      Duct epithelial cells pancreas

    • D. 

      Ascinar cells in the pancreas

    • E. 

      C and d are correct

  • 2. 
    In the mucosa of the stomach, the _____ cell is enriched for carbonic anhydrase and contains receptors for _____ . 
    • A. 

      G cell, gastrin

    • B. 

      Duct epithelial cell, gastrin

    • C. 

      Duct epithelial cell, secretin

    • D. 

      Parietal cell, gastrin

    • E. 

      Chief, CCK

  • 3. 
    In the stomach, the region that is enriched for elastin and permits its expansion is the:
    • A. 

      Mucosa

    • B. 

      Submucosa

    • C. 

      Muscular layer

    • D. 

      Serosa

    • E. 

      Mesothelium

  • 4. 
    Which of the following is (are) enzymes that act in the bulk fluid in the lumen of the intestine?
    • A. 

      Pancreatic amylase

    • B. 

      Trypsin

    • C. 

      Carboxy peptidase

    • D. 

      Maltase

    • E. 

      A and b are correct

  • 5. 
    In the salivary glands of the mouth, Na+ channels are found predominately on the basilar membrane. The Na+/K+ ATPases are located on the _____ surface of the secretory epithelial cells. The _____ cells lack aquaporins.
    • A. 

      Apical, duct

    • B. 

      Apical, secretory

    • C. 

      Basilar, secretory

    • D. 

      Basilar, duct

  • 6. 
    Glycogen is a polymer of:
    • A. 

      Amino acids

    • B. 

      Cellulose

    • C. 

      Glucose

    • D. 

      Sucrose

    • E. 

      Starch

  • 7. 
    When our mouth "waters" at the sight or smell of food. The source of this is effect is the:
    • A. 

      Parasympathetic activation of salivary glands

    • B. 

      Sympathetic activation of salivary glands

    • C. 

      Parasympathetic activation of parietal cells

    • D. 

      Sympathetic activation of gastric glands

    • E. 

      Activation of salivary glands by gastrin

  • 8. 
    The cells that release glucose in response to low blood glucose are the:
    • A. 

      Alpha cell of the endocrine pancreas

    • B. 

      Beta cell of the endocrine pancreas

    • C. 

      Epithelial cells of the small intestine

    • D. 

      Acinar cells of the pancreas

    • E. 

      Hepatocytes

  • 9. 
    Which of the following is (are) G-protein coupled receptors that affect acid secretion in the stomach?
    • A. 

      Gastrin receptor

    • B. 

      Acetylcholine receptor

    • C. 

      H2 histamine receptor

    • D. 

      K+/H+ ATP-dependent exchanger

    • E. 

      All except d are correct

  • 10. 
    The role of lipase is to:
    • A. 

      Digest lipids into a molecule of monoglyceride and two molecules of fatty acid

    • B. 

      Eliminate waste products from hemoglobin breakdown

    • C. 

      Emulsify lipid droplets into smaller droplets

    • D. 

      Shuttle lipids across the epithelial cell plasma membrane

    • E. 

      A and c are correct

  • 11. 
    Bile salts and bile acids are generated from cholesterol and glycine or taurine in the:
    • A. 

      Intestinal epithelial cells

    • B. 

      Epithelial cells of the gall bladder

    • C. 

      Acinar cells of the pancreas

    • D. 

      Duct cells of the pancreas

    • E. 

      Hepatocytes in the liver

  • 12. 
    For lipids to enter adipocytes from chylomicrons, the enzyme lipoprotein lipase in endothelial cells:
    • A. 

      Serves as a detergent to emulsify triglycerides

    • B. 

      Transports the chylomicrons from the intestinal epithelial cells into blood

    • C. 

      Converts triglycerides in the chylomicrons into fatty acids and monoglycerides

    • D. 

      Converts fatty acids and monoglycerides in chylomicrons into triglycerides

    • E. 

      A and d are correct

  • 13. 
    If you observe the smooth muscle of the gall bladder contract, the hormone that produced this response is likely:
    • A. 

      Secretin

    • B. 

      Gastrin

    • C. 

      Histamine

    • D. 

      Cholecystokinin (CCK)

    • E. 

      Glucagon

  • 14. 
    In the process of digestion _____ enter the subclavian vein from the lymphatic system.
    • A. 

      Amino acids

    • B. 

      Monosaccharides

    • C. 

      Disaccharides

    • D. 

      Chylomicrons

    • E. 

      Bile salts

  • 15. 
    Hexose sugars that diffuse across the basilar membrane of intestinal epithelial cells first enter the:
    • A. 

      Common bile duct

    • B. 

      Hepatic artery

    • C. 

      Hepatic portal vein

    • D. 

      Hepatocytes

    • E. 

      Lymph in the lacteal

  • 16. 
    Type II diabetes results from the lack of _____ where as Type I diabetes results from a lack of _____ .
    • A. 

      Functional pancreatic beta cells, functional glucagon receptors

    • B. 

      Functional insulin receptors, functional pancreatic beta cells

    • C. 

      Functional pancreatic beta cells, functional insulin receptors

    • D. 

      Functional insulin receptors, functional pancreatic alpha cells

    • E. 

      Functional glucagon receptors, functional pancreatic alpha cells

  • 17. 
    Individuals who can most effectively gain nutrition from milk can absorb _____ digested from _____ .
    • A. 

      Glucose, protein

    • B. 

      Glucose, lactose

    • C. 

      Galactose, protein

    • D. 

      Glucose, maltose

    • E. 

      A and c are correct

  • 18. 
    After a large meal of bread and spaghetti you would expect _____ cells in the endocrine pancreas to be secreting ____ .
    • A. 

      Alpha cells, glucagon

    • B. 

      Acinar cells, amylase

    • C. 

      Beta cells, insulin

    • D. 

      Beta cells, glucagon

    • E. 

      Adipocytes, triglycerides

  • 19. 
    Which of the following is NOT a brush border enzyme?
    • A. 

      Sucrase

    • B. 

      Maltase

    • C. 

      Carboxypeptidase

    • D. 

      Amylase

    • E. 

      Lactase

  • 20. 
    Amino acids in the small intestine move from the lumen of the small intestine into the epithelial cells by:
    • A. 

      Osmosis

    • B. 

      Passive diffusion down a concentration gradient

    • C. 

      Passive diffusion through a transmembrane Na+ channel

    • D. 

      Cotransport with Na+

    • E. 

      B and c are correct

  • 21. 
    Elastic recoil of the lungs:
    • A. 

      Would cause the lungs to collapse if it were not opposed

    • B. 

      When combined with the elastic recoil properties of the chest wall, creates the subatmospheric intrapleural pressure

    • C. 

      Forces air to leave the lungs during expiration

    • D. 

      Both a and b are correct

    • E. 

      All of the above are correct

  • 22. 
    An infant born with immature type II alveolar cells:
    • A. 

      Will have abnormally low lung compliance

    • B. 

      Will have too few alveoli for efficient gas exchange

    • C. 

      Will have increased airway resistance

    • D. 

      Will have emphysema

    • E. 

      A and c are correct

  • 23. 
    The respiratory disease that results from excessive constriction of the smooth muscle that lines the airways is:
    • A. 

      Asthma

    • B. 

      Emphysema

    • C. 

      Chronic bronchitis

    • D. 

      Chronic obstructive pulmonary disease

    • E. 

      All of the above

  • 24. 
    The conducting airways have a volume of about 150ml which is not capable of exchanging gases with the blood. This is referred to as:
    • A. 

      Physiological dead space

    • B. 

      Anatomical dead space

    • C. 

      Alveolar dead space

    • D. 

      None of the above

  • 25. 
    The vital capacity is the sum of:
    • A. 

      Tidal volume + inspiratory reserve volume + expiratory reserve volume

    • B. 

      Tidal volume + functional residual capacity

    • C. 

      Tidal volume + residual volume

    • D. 

      Inspiratory reserve volume + expiratory reserve volume

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