Ch. 23 Quiz (Anatomy)

25 July 2022
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question
Choose the incorrect statement regarding bile.
answer
Bile contains enzymes for digestion.
question
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of the following accomplish this task?
answer
villi, and microvilli
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Pepsinogen, an inactive digestive enzyme, is secreted by the ________.
answer
chief cells of the stomach
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The ducts that deliver bile and pancreatic juice from the liver and pancreas, respectively, unite to form the ________
answer
pancreatic acini
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Which of the following is not true of saliva?
answer
contains acids which aid in chemical digestion
question
Peristaltic waves are ________.
answer
waves of muscular contractions that propel contents from one point to another
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Hepatocytes do not _______.
answer
produce digestive enzymes
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Which vitamin requires intrinsic factor in order to be absorbed?
answer
B12
question
Chief cells ______
answer
produce pepsinogen
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Chemical digestion reduces large complex molecules to simpler compounds by the process of _________
answer
catabolism
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The ________ contains lobules with sinusoids (lined with macrophages) that lead to a central venous structure
answer
liver
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The lamina propria is composed of _______
answer
loose connective tissue
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The function of goblet cells is to _________
answer
produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion
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Which of the following is an essential role played by large intestine bacteria?
answer
fermentation of indigestible carbohydrates
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Which of the following produce intrinsic factor?
answer
parietal cells
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Which of these is not a component of saliva?
answer
a cyanide derivative
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The longest portion of the small intestine is the _______.
answer
ileum
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The principal enzyme for breaking down carbohydrates is _________.
answer
Amylase
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Cells of the stomach that secrete HCI are ________ cells.
answer
parietal
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The chief of bile pigment is
answer
bilirubin
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Cells are found in the sinusoids of the liver that remove debris from the blood as it flows past are called ________ macrophages.
answer
Stellate
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The part of the peritoneum that covers the external surfaces of most digestive organs is the ___________ peritoneum.
answer
visceral
question
The protective outermost layer of the esophagus is the ____________
answer
adventitia