Bio 142 Unit 6 Digestive System NVCC questions with
verified answers
General functions of the Digestive system Ans✓✓-1. Ingestion
2. Motility
3. Secretion
4. Digestions- Mechanical and Chemical
5. Absorption
6. Elimination
Organ that make up GI Tract Ans✓✓-1. Oral Cavity
2. Pharnyx
3. Esophagus
4. Stomach
5. Small Intestine
6. Large Intestine
Accessory organs and structures of the digestive system Ans✓✓-Salivary glands,
liver, pancreas
Teeth, tongue, galbladder
Layers of the wall of the GI tract Ans✓✓-1. Mucosa
2. Submucosa
3. Muscularis
4. Adventitia or Serosa
, State the role of the Mucosa layer Ans✓✓-Secrete, Absorb, protect body
Nerve Plexus in the submucosa is called... Ans✓✓-Submucosa nerve plexus or
meissner plexus
Nerve Plexus of the muscularis Layer is called... Ans✓✓-Myenteric nerve plexus
or auerbagh plexus
Define Sphicter Ans✓✓-Greatly thickened portion of the G.I. Tract inner circular
layer. It can close the lumen of the GI Tract so as to control movement of
particles.
Explain the two types of smooth muscular movement Ans✓✓-1. Peristalisis-
Move foreward
2. Mixing- back and forth to break up
Distinguish Intraperitoneal and retroperitoneal Ans✓✓-Intraperitoneal organ are
completely covered in visceral peritoneum
Retroperitoneal organs are only covered in visceral peritoneum on anterio-lateral
sides.
Name the individual mesenteries of the abdominopelvic cavity Ans✓✓-1. Greater
omentum- stomach like apron
2. Lesser Omentum- Stomach/Duodenum/liver
3. Falsiform Ligament- Anterior Liver to abdominal wall
4. Mesentery Proper- Small intestine
verified answers
General functions of the Digestive system Ans✓✓-1. Ingestion
2. Motility
3. Secretion
4. Digestions- Mechanical and Chemical
5. Absorption
6. Elimination
Organ that make up GI Tract Ans✓✓-1. Oral Cavity
2. Pharnyx
3. Esophagus
4. Stomach
5. Small Intestine
6. Large Intestine
Accessory organs and structures of the digestive system Ans✓✓-Salivary glands,
liver, pancreas
Teeth, tongue, galbladder
Layers of the wall of the GI tract Ans✓✓-1. Mucosa
2. Submucosa
3. Muscularis
4. Adventitia or Serosa
, State the role of the Mucosa layer Ans✓✓-Secrete, Absorb, protect body
Nerve Plexus in the submucosa is called... Ans✓✓-Submucosa nerve plexus or
meissner plexus
Nerve Plexus of the muscularis Layer is called... Ans✓✓-Myenteric nerve plexus
or auerbagh plexus
Define Sphicter Ans✓✓-Greatly thickened portion of the G.I. Tract inner circular
layer. It can close the lumen of the GI Tract so as to control movement of
particles.
Explain the two types of smooth muscular movement Ans✓✓-1. Peristalisis-
Move foreward
2. Mixing- back and forth to break up
Distinguish Intraperitoneal and retroperitoneal Ans✓✓-Intraperitoneal organ are
completely covered in visceral peritoneum
Retroperitoneal organs are only covered in visceral peritoneum on anterio-lateral
sides.
Name the individual mesenteries of the abdominopelvic cavity Ans✓✓-1. Greater
omentum- stomach like apron
2. Lesser Omentum- Stomach/Duodenum/liver
3. Falsiform Ligament- Anterior Liver to abdominal wall
4. Mesentery Proper- Small intestine
