The coenzyme NAD, found in all living cells and involved in redox reactions, is related to:
1. vitamin D
2. riboflavin
3. niacin
4. vitamin K

Subtopic:  Enzyme Cofactors |
 52%
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A serious eating disorder marked by binge eating, followed by methods to avoid weight gain is:
1. obesity
2. bulimia
3. anorexia nervosa
4. pellagra

Subtopic:  Disorders of Digestive System |

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Situated between the circular muscle layer and the longitudinal muscle layer in the lower esophagus, stomach, and intestines, the major nerve supply to the gastrointestinal tract that controls GI tract motility is the:
1. myenteric plexus
2. muscularis
3. submucosal plexus
4. serosa

Subtopic:  Histology of Gut |
 52%

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HCl secreted by the gastric mucosa does not:
1. kill bacteria
2. catalyze the hydrolysis of peptide bonds
3. denature dietary proteins
4. cause the activation of pepsin

Subtopic:  Gastric Secretions |

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A high rate of red blood cell destruction, with elevated levels of bilirubin in the blood, causes ______.

1. diverticulitis 2. gall stones
3. jaundice 4. lithotripsy
Subtopic:  Disorders of Digestive System |
 82%

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The only exopeptidase amongst the following is:
1. trypsin
2. elastase
3. chymotrypsin
4. carboxypeptidase

Subtopic:   DIGESTION OF FOOD |

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Digestion of polymers is brought about by:
1. polymerization
2. absorption
3. condensation
4. hydrolysis

Subtopic:   DIGESTION OF FOOD |
 61%

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An accessory digestive gland amongst the following would be:
1. Pyloric glands
2. Crypts of Lieberkuhn
3. Salivary glands
4. Oxyntic glands

Subtopic:  Accessory Digestive Glands |
 55%
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Which layer in the wall of the gastrointestinal tract has an inner circular and outer longitudinal layer?

1. lamina propria 2. muscularis mucosa
3. submucosa 4. muscularis
Subtopic:  Histology of Gut |
 60%
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Most of the parasympathetic supply to the alimentary canal is by:
1. vagus nerve
2. thoracic spinal nerves
3. lumbar spinal nerves
4. sacral spinal nerves

Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
 61%

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