Anatomy and Physiology Chapter 22/23 Test Exam ( Update) with Premium Questions and Verified Solutions / Fully Solved / Already Graded A+

Anatomy and Physiology Chapter 22/23
Test Exam (2026-2027 Update) with
Premium Questions and Verified
Solutions / Fully Solved / Already Graded
A+




Hepatocytes do not _______.
A) Store fat-soluble vitamins
B) Detoxify toxic chemicals
C) Process nutrients
D) Produce digestive enzymes
D) Produce digestive enzymes
The lamina propria is composed of _______.
A) Dense irregular connective tissue
B) Reticular connective tissue
C) Loose connective tissue
D) Dense regular connective tissue
C) Loose connective tissue
The solutes contained in saliva include________.
A) Mucin, lysozyme, electrolytes, salts, and minerals
B) Electrolytes, digestive enzyme, mucin, lysozyme, wastes, and
IgA
C) Only salts and minerals
D) Only proteases and amylase
B) Electrolytes, digestive enzyme, mucin, lysozyme, wastes, and
IgA
Pepsinogen, a digestive enzyme, is secreted by the ________.
A) Parietal cells of the duodenum
B) Chief cells of the stomach

,C) Goblet cells of the small intestine
D) Brunner's glands
B) Chief cells of the stomach
Which of the following maintains the patency (openness) of the
trachea?
A) Surface tension of water
B) C-shaped cartilage rings
C) Surfactant production
D) Pseudostratified ciliated epithelium
B) C-shaped cartilage rings
The absorptive effectiveness of the small intestine is enhanced by
increasing the surface area of the mucosal lining. Which of the
following accomplish this task.
A) Brunner's glands and Peyer Patches
B) Plicae circulares, villi, and microvilli
C) The vast array of digestive enzymes
D) The rugae and haustra
B) Plicae circulares, villi, and microvilli
In addition to storage and mechanical breakdown of food, the
stomach ___________.
A) Is the first site to where chemical digestion of starch takes place
B) Is the only place where fats are completely digested
C) Is the first site where absorption takes place
D) Initiates protein digestion and denatures proteins
D) Initiates protein digestion and denatures proteins
The enzymatic breakdown of any type of food molecule is called
_________.
A) Denatured
B) Active transport
C) Diffusion
D) Hydrolysis
D) Hydrolysis
The loudness of a person's voice depends on ________.
A) Force with which air rushes across the vocal folds
B) Thickness of vestibular folds
C) Strength of the intrinsic laryngeal muscles
D) Length of the vocal folds
A) Force with which air rushes across the vocal folds

, The ducts that deliver bile and pancreatic juice from the liver and
pancreas, respectively, unite to form the _________.
A) Portal vein
B) Bile canaliculus
C) Hepatopancreatic ampulla
D) Pancreatic acini
C) Hepatopancreatic ampulla
There are three phases of gastric secretion. The cephalic phase
occurs __________.
A) At the end of a large meal, and the juices secreted are powerful
and remain in the GI tract for a long period of time
B) When the meal is excessively high in acids, and neutralizing is
required
C) Immediately after food enters the stomach, preparing the small
intestine for the influx of a variety of nutrients.
D) Before food enters the stomach and is triggered by aroma, sight,
or thought
D) Before food enters the stomach and is triggered by aroma, sight,
or thought
Gastrin, histamine, endorphins, serotonin, cholecystoskinin, and
somatostatin are hormones or paracrines that are released directly
into the lamina propria. Which of the following cell types synthesize
and secrete these products.
A) Parietal cells
B) Mucous neck cells
C) Enteroendocrine cells
D) Zymogenic cells
C) Enteroendocrine cells
Parietal cells of the stomach produce ___________.
A) Rennin
B) Pepsinogen
C) Hydrochloric acid
D) Mucin
C) Hydrochloric acid
Which hormone causes an increased output of enzyme-rich
pancreatic juice and stimulates gallbladder contraction to release
bile?
A) Secretin
B) Cholecystokinin