NURS 215 Test 3 2025 Questions
and Answers 100% Pass
GI tract consist of? - ✔✔Mouth, esophagus, stomach, small & large intestine, rectum,
and anus
Accessory organs of the GI tract? - ✔✔Liver, pancreas, and gallbladder
Main function of the GI system? - ✔✔supply nutrients to body cells. Accomplished
through ingestion, digestion, and absorption. And elimination
4 layers of the GI tract inside to out - ✔✔Mucosa lining, submucosa connective tissue,
muscle, and serosa
The submucosa contains what? - ✔✔Glands, blood vessels, and lymph nodes
What is the layers of the muscular coat? Inner to outer - ✔✔Oblique, circular, and
longitudunal
Parasympthetic nervous system is mainly - ✔✔excitatory; increases peristalsis- diarrhea
Sympathetic nervous system is mainly - ✔✔Inhibitory; decreases peristalsis
Venous blood empties into the _______ and then perfuses the ______ - ✔✔portal vein;
liver
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, What supplies arterial blood to the GI tract? - ✔✔Celiac artery, superior mesenteric
artery (SMA), and the inferior mesenteric artery (IMA)
The celiac artery supplies blood to the? - ✔✔Stomach & duodenum
The superior mesenteric artery (SMA) supplies blood to the? - ✔✔Distal small intestines
(jejunum & ileum) to mid large intestines
The inferior mesenteric artery (IMA) supplies blood to the - ✔✔Distal large intestine
through the anus
The GI tract & accessory organs receives how much cardiac output when at rest and
when eating? - ✔✔25%-30% at rest & 35% while eating
Because a large percentage of cardiac output perfuses these organs, blood flow can be
diverted from this system during? - ✔✔Exercise, stress, or injury
What influences how much a person eats? - ✔✔Appetite
Where is the appetite center located? - ✔✔Hypothalamus
What factors influence appetite? - ✔✔Hypoglycemia (low blood glucose), an empty
stomach, and a decrease in body temp
Appetite is inhibited by? - ✔✔Stomach distention, illness, hyperglycemia, N/V, and
certain drugs
Which hormone plays a role in appetite STIMULATION? - ✔✔Ghrelin
Which hormone plays a role in appetite SUPPRESSION? - ✔✔Leptin
What is deglutition? - ✔✔Swallowing; mechanical component of ingestion
What organs are involved in deglutition? - ✔✔Mouth, pharynx, and esophagus
What is mastication? - ✔✔Chewing
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
and Answers 100% Pass
GI tract consist of? - ✔✔Mouth, esophagus, stomach, small & large intestine, rectum,
and anus
Accessory organs of the GI tract? - ✔✔Liver, pancreas, and gallbladder
Main function of the GI system? - ✔✔supply nutrients to body cells. Accomplished
through ingestion, digestion, and absorption. And elimination
4 layers of the GI tract inside to out - ✔✔Mucosa lining, submucosa connective tissue,
muscle, and serosa
The submucosa contains what? - ✔✔Glands, blood vessels, and lymph nodes
What is the layers of the muscular coat? Inner to outer - ✔✔Oblique, circular, and
longitudunal
Parasympthetic nervous system is mainly - ✔✔excitatory; increases peristalsis- diarrhea
Sympathetic nervous system is mainly - ✔✔Inhibitory; decreases peristalsis
Venous blood empties into the _______ and then perfuses the ______ - ✔✔portal vein;
liver
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, What supplies arterial blood to the GI tract? - ✔✔Celiac artery, superior mesenteric
artery (SMA), and the inferior mesenteric artery (IMA)
The celiac artery supplies blood to the? - ✔✔Stomach & duodenum
The superior mesenteric artery (SMA) supplies blood to the? - ✔✔Distal small intestines
(jejunum & ileum) to mid large intestines
The inferior mesenteric artery (IMA) supplies blood to the - ✔✔Distal large intestine
through the anus
The GI tract & accessory organs receives how much cardiac output when at rest and
when eating? - ✔✔25%-30% at rest & 35% while eating
Because a large percentage of cardiac output perfuses these organs, blood flow can be
diverted from this system during? - ✔✔Exercise, stress, or injury
What influences how much a person eats? - ✔✔Appetite
Where is the appetite center located? - ✔✔Hypothalamus
What factors influence appetite? - ✔✔Hypoglycemia (low blood glucose), an empty
stomach, and a decrease in body temp
Appetite is inhibited by? - ✔✔Stomach distention, illness, hyperglycemia, N/V, and
certain drugs
Which hormone plays a role in appetite STIMULATION? - ✔✔Ghrelin
Which hormone plays a role in appetite SUPPRESSION? - ✔✔Leptin
What is deglutition? - ✔✔Swallowing; mechanical component of ingestion
What organs are involved in deglutition? - ✔✔Mouth, pharynx, and esophagus
What is mastication? - ✔✔Chewing
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
