Chapter 25 Anatomy Test Bank 2025–
2026 Complete Human Anatomy Exam
Questions and Answers Detailed
Rationales and Study Guide for
Digestive System Mastery
Which of the following terms describes the movement of organic molecules,
electrolytes, vitamins, and water across the digestive epithelium and into the
interstitial fluid of the digestive tract?
A) ingestion
B) secretion
C) compaction
D) absorption
E) excretion - ANSWER-absorption
The correct order of the digestive tube layers, from lumen outward, is:
(1) mucosa
(2) muscular layer
(3) serosa
(4) submucosa
,A) 3, 1, 2, 4
B) 4, 1, 2, 3
C) 4, 2, 3, 1
D) 1, 4, 2, 3
E) 1, 4, 3, 2 - ANSWER-1, 4, 2, 3
Regarding the histological organization of the digestive tract, the ________ is a
layer of dense, irregularly arranged connective tissue that surrounds the
muscularis mucosae.
A) muscular layer
B) submucosa
C) adventitia
D) serosa
E) mucosa - ANSWER-submucosa
The ventral mesentery layer disappears along most of the digestive tract,
persisting only on the ventral surface of the stomach as the ________, which is
located between the stomach and liver.
A) falciform ligament
B) mesentery colon
C) greater omentum
, D) mesocolon
E) lesser omentum - ANSWER-lesser omentum
For the majority of the GI tract, which layer(s) of the wall contains smooth
muscle?
A) muscular layer and serosa
B) mucosa and adventitia/serosa
C) adventitia/serosa
D) mucosa and muscular layer
E) submucosa and muscular layer - ANSWER-mucosa and muscular layer
Contraction of smooth muscle in the ________ alters the shape of the intestinal
lumen and moves the epithelial pleats and folds.
A) myenteric neural plexus
B) mucosa
C) submucosa
D) muscularis mucosa
E) mesocolon - ANSWER-muscular mucosa
The areolar connective tissue found deep in the epithelial lining of the digestive
tract is called ________.
2026 Complete Human Anatomy Exam
Questions and Answers Detailed
Rationales and Study Guide for
Digestive System Mastery
Which of the following terms describes the movement of organic molecules,
electrolytes, vitamins, and water across the digestive epithelium and into the
interstitial fluid of the digestive tract?
A) ingestion
B) secretion
C) compaction
D) absorption
E) excretion - ANSWER-absorption
The correct order of the digestive tube layers, from lumen outward, is:
(1) mucosa
(2) muscular layer
(3) serosa
(4) submucosa
,A) 3, 1, 2, 4
B) 4, 1, 2, 3
C) 4, 2, 3, 1
D) 1, 4, 2, 3
E) 1, 4, 3, 2 - ANSWER-1, 4, 2, 3
Regarding the histological organization of the digestive tract, the ________ is a
layer of dense, irregularly arranged connective tissue that surrounds the
muscularis mucosae.
A) muscular layer
B) submucosa
C) adventitia
D) serosa
E) mucosa - ANSWER-submucosa
The ventral mesentery layer disappears along most of the digestive tract,
persisting only on the ventral surface of the stomach as the ________, which is
located between the stomach and liver.
A) falciform ligament
B) mesentery colon
C) greater omentum
, D) mesocolon
E) lesser omentum - ANSWER-lesser omentum
For the majority of the GI tract, which layer(s) of the wall contains smooth
muscle?
A) muscular layer and serosa
B) mucosa and adventitia/serosa
C) adventitia/serosa
D) mucosa and muscular layer
E) submucosa and muscular layer - ANSWER-mucosa and muscular layer
Contraction of smooth muscle in the ________ alters the shape of the intestinal
lumen and moves the epithelial pleats and folds.
A) myenteric neural plexus
B) mucosa
C) submucosa
D) muscularis mucosa
E) mesocolon - ANSWER-muscular mucosa
The areolar connective tissue found deep in the epithelial lining of the digestive
tract is called ________.
