NURS 315 nutrition practice Test Questions With Complete Solutions.
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Course
Nutrition and Disease
Institution
Nutrition And Disease
Peristalsis is necessary to make it possible for people to _____ food.
a. chew
b. digest
c. swallow
d. smell and taste - Answer C. swallow
An example of mechanical digestion includes
a. activity of salivary amylase in the mouth.
b. churning and mixing of food in the stomach.
c...
NURS 315 nutrition practice Test
Questions With Complete Solutions.
Peristalsis is necessary to make it possible for people to _____ food.
a. chew
b. digest
c. swallow
d. smell and taste - Answer C. swallow
An example of mechanical digestion includes
a. activity of salivary amylase in the mouth.
b. churning and mixing of food in the stomach.
c. action of bile breaking fats into smaller droplets.
d. effects of secretin in stimulating the pancreas to release bicarbonate. - Answer B. churning and
mixing of food in the stomach
Valves to control the movement of food in and out of the stomach are called
a. reflux regulators.
b. peristalsis muscles.
c. sphincter muscles.
d. segmentation muscles. - Answer C. sphincter muscles
A substance that works only on a specific class of nutrient is called a(n)
a. bolus.
,b. chyme.
c. gastrin.
d. enzyme. - Answer D. enzyme
Chemicals that act as messengers are called
a. proteins.
b. hormones.
c. enzymes.
d. nerve impulses. - Answer B. hormones
The action of salivary amylase in the mouth is an example of
a. chemical digestion.
b. chewing.
c. mechanical digestion.
d. peristalsis and segmentation. - Answer A. chemical digestion
Mechanical breakdown of food is a function of the
a. large intestine.
b. liver and pancreas.
c. mouth and stomach.
d. esophagus and mouth. - Answer C. mouth and stomach
A bolus is a ball of
a. masticated food ready to be swallowed.
b. fat emulsified with bile and intestinal secretions.
,c. mucus that helps move food along the gastrointestinal tract.
d. indigestible fiber mixed with the waste products of digestion. - Answer A. masticated food ready to
be swallowed
Gastrin is a(n)
a. hormone that allows glucose to enter cells.
b. enzyme that assists protein digestion.
c. hormone needed for reproductive functions.
d. hormone that increases the release of gastric juices. - Answer D. hormone that increases the release
of gastric juices
The small intestine is the major site of
a. digestion and denaturation.
b. segmentation and excretion.
c. digestion and absorption.
d. peristalsis and mechanical digestion. - Answer C. digestion and absorption
The villi of the small intestine increase its capacity for
a. digestion.
b. absorption.
c. excretion.
d. elimination. - Answer B. absorption
The absorptive cells of the villi are covered by
a. hairlike projections called microvilli.
, b. hormones that control digestive processes.
c. enzymes that speed absorption of nutrients.
d. layers of circular and longitudinal muscle. - Answer A. hairlike projections called microvilli
Secretions of the pancreas neutralize the
a. acidic chyme entering the duodenum.
b. acidic chyme leaving the duodenum.
c. bolus flowing down the esophagus.
d. low-density lipoproteins leaving the liver. - Answer A. acidic chyme entering the duodenum.
Release of digestive secretions into the small intestine is caused by
a. enzymes that are released when food enters the stomach.
b. enzymes that are released when food enters the small intestine.
c. hormones that are released when food enters the stomach.
d. hormones that are released when chyme enters the small intestine. - Answer D. hormones that are
released when chyme enters the small intestine.
If the large intestine did not carry out its main function, feces would be
a. alkaline.
b. acidic.
c. liquid.
d. very dry. - Answer C. liquid
The esophagus is a structure that
a. produces and releases digestive enzymes but not hormones.
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