BIOL 252 MODULE 6 QUESTIONS & ANSWERS 2026-202… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
BIOL 252 Module 6
Questions & Answers
2026-2027 | Complete
Study Guide
Verified Answers Exam Ready With Rationales
70 QUESTIONS
DOCUMENT OVERVIEW
This document contains 70 verified questions with correct answers provided, offering clear
explanations for each response. It comprehensively covers the subject area of human
digestive physiology. This resource is ideal for students seeking to enhance their
understanding, review course material, or prepare for certification exams effectively.
CONTENTS
Digestive System Anatomy Q1–Q11
Histology and Structure Q12–Q26
Accessory Organs and Functions Q27–Q37
Digestive Physiology Q38–Q48
Digestive Processes and Regulation Q49–Q60
Page 1
,Large Intestine Functions Q61–Q70
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 70
Digestive System
CORRECT ANSWER
Alimentary canal - mouth to anal, one-way
Accessory organs - break down nutrients
-teeth, salivary glands, liver, gallbladder, pancreas
Q2 QUESTION 2 OF 70
Histology of Alimentary Canal
CORRECT ANSWER
Mucosa: mucous membrane, simple columnar epithelial
Submucosa: dense connective tissue
Muscularis externa
Serosa
MSMS
Q3 QUESTION 3 OF 70
Enteric Nervous System
CORRECT ANSWER
Myenteric plexus = motility, rhythmic contractions
Submucosal plexus = digestive secretions
ANS = extrinsic control, sympathetic-inhibit, parasympathetic-stimulate
Page 2
, Q4 QUESTION 4 OF 70
Peritoneum
CORRECT ANSWER
Holds digestive organs in place in abdominal cavity
Parietal peritoneum = line abdominal wall
Visceral peritoneum = line abdominal organs
Peritoneal cavity = space between with fluid to reduce friction
Q5 QUESTION 5 OF 70
Visceral Peritoneum
CORRECT ANSWER
Greater omentum - greater curvature of stomach, superficial to small intestines and transverse
colon
Falciform ligament - anchor liver
Lesser omentum - extend from lesser curvature of stomach
Mesentery - vertical bond of tissue, anchor small intestine
Mesocolon - attach transverse and sigmoid to posterior wall
Q6 QUESTION 6 OF 70
Mucosal Barrier
CORRECT ANSWER
Mucin = thick, gel-like glycoprotein from mucosal cells to trap bicarbonate and neutralize HCl
Replaced every 3-6 days (surface epithelial with tight junctions)
Q7 QUESTION 7 OF 70
Somatostatin
Page 3
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
BIOL 252 Module 6
Questions & Answers
2026-2027 | Complete
Study Guide
Verified Answers Exam Ready With Rationales
70 QUESTIONS
DOCUMENT OVERVIEW
This document contains 70 verified questions with correct answers provided, offering clear
explanations for each response. It comprehensively covers the subject area of human
digestive physiology. This resource is ideal for students seeking to enhance their
understanding, review course material, or prepare for certification exams effectively.
CONTENTS
Digestive System Anatomy Q1–Q11
Histology and Structure Q12–Q26
Accessory Organs and Functions Q27–Q37
Digestive Physiology Q38–Q48
Digestive Processes and Regulation Q49–Q60
Page 1
,Large Intestine Functions Q61–Q70
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 70
Digestive System
CORRECT ANSWER
Alimentary canal - mouth to anal, one-way
Accessory organs - break down nutrients
-teeth, salivary glands, liver, gallbladder, pancreas
Q2 QUESTION 2 OF 70
Histology of Alimentary Canal
CORRECT ANSWER
Mucosa: mucous membrane, simple columnar epithelial
Submucosa: dense connective tissue
Muscularis externa
Serosa
MSMS
Q3 QUESTION 3 OF 70
Enteric Nervous System
CORRECT ANSWER
Myenteric plexus = motility, rhythmic contractions
Submucosal plexus = digestive secretions
ANS = extrinsic control, sympathetic-inhibit, parasympathetic-stimulate
Page 2
, Q4 QUESTION 4 OF 70
Peritoneum
CORRECT ANSWER
Holds digestive organs in place in abdominal cavity
Parietal peritoneum = line abdominal wall
Visceral peritoneum = line abdominal organs
Peritoneal cavity = space between with fluid to reduce friction
Q5 QUESTION 5 OF 70
Visceral Peritoneum
CORRECT ANSWER
Greater omentum - greater curvature of stomach, superficial to small intestines and transverse
colon
Falciform ligament - anchor liver
Lesser omentum - extend from lesser curvature of stomach
Mesentery - vertical bond of tissue, anchor small intestine
Mesocolon - attach transverse and sigmoid to posterior wall
Q6 QUESTION 6 OF 70
Mucosal Barrier
CORRECT ANSWER
Mucin = thick, gel-like glycoprotein from mucosal cells to trap bicarbonate and neutralize HCl
Replaced every 3-6 days (surface epithelial with tight junctions)
Q7 QUESTION 7 OF 70
Somatostatin
Page 3
