BIOS 254 Unit Test 3 Chapter 17 19

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BIOS 254 Unit Test 3 (Chapter 17 & 19)

• Feces are about percent water.

–Answer 75%

• is a protein-splitting enzyme in pancreatic juice.

–Answer Trypsin

• pick up cholesterol from the peripheral tissues and return it to the liver.

–Answer HDLs

• The correct sequence for the layers in the walls of the alimentary canal from innermost to

outermost is the –Answer mucosa, submucosa, muscular layer, serosa.

• Gastrin, which stomach cells secrete,

–Answer increases secretion by the gastric glands.

• Lydia goes online to meet a man and finds someone nice, but is turned off because he says

he has xerostomia. The man has –Answer dry mouth.

• Changes in the mouth associated with aging include

–Answer thinning enamel.

• The epiglottis is attached to the

–Answer larynx

• Over-the-counter antacids usually include 1 / 2

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–Answer sodium, aluminum, calcium, or magnesium.

• Peristalsis occurs in the digestive tract

–Answer from the pharynx to the anus.

• Acute pancreatitis is often caused by the conversion of

–Answer trypsinogen to trypsin.

• The hormone secretin

–Answer stimulates release of pancreatic juice.

• VLDL are produced in which organ?

–Answer Liver

• The liver

–Answer forms glucose from noncarbohydrates.

• One of the major functions of the large intestine is to

–Answer absorb ingested water.

• During the defecation reflex, the

–Answer diaphragm is lowered.

• Which of the following is true about bile?

–Answer None of the above

• David has sustained severe damage to his liver in a car accident. Digestion of which nutrient

will be most affected?–Answer Lipids

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