D440 Chapter 5: Digestion, Absorption, and Metabolism
Exam (2026/2027 Edition) | Question Bank | Practice
Questions with Detailed Answer Explanations
Which process does the intramural nerve plexus regulate in the GI tract? SATA
A) Gastric secretion
B) Muscle movement
C) Muscle contraction
D) Muscle secretion
E) Hormonal release - correct answer B
C
What is the function of cholecystokinin when released in the small intestine? SATA
A) Increased peristalsis
B) Inhibiting gastric hydrochloric acid secretion
C) Initiating pancreatic exocrine secretion
D) Activating the gallbladder to release bile into the duodenum
E) Moving digestive nutrients into the mucosa of the small intestine - correct answer B
C
D
In which wat are nutrient transported to various cells throughout the body? SATA
A) Fat-soluble nutrients are transported by the lymphatic system
B) Water-soluble nutrients are absorbed into the circulatory system
C) Portal circulation transports nutrients from the intestines to the liver
D) The circulatory system disperses nutrients to other cells throughout the body
,E) The lymphatic system provides an alternative route for water-soluble nutrients -
correct answer A
B
C
D
Which statement describes the Krebs cycle? SATA
A) It takes place in the mitochondria of the cell
B) Energy is converted into a form the body can use
C) ATP is produced at a consistent rate
D) It is the sum of chemical reactions that occur within a cell
E) Catabolic and anabolic reactions occur to supply cells with ATP - correct answer A
B
E
In phenylketonuria is left untreated, which consequence is possible? SATA
A) Convulsive seizures
B) Psychiatric disorders
C) Developmental problems
D) Irreversible brain damage
E) Central nervous system damage - correct answer A
B
C
D
E
Which process is a function of the liver? SATA
, A) Bile production
B) Regulation of blood glucose levels
C) Metabolism of hormones and medications
D) Conversion of excess ammonia to urea
E) Synthesis of proteins and blood-clotting factors - correct answer A
B
C
D
E
Which secreted substance facilitates swallowing of the food bolus during chemical
digestion in the mouth and esophagus?
A) Lipase
B) Gastrin
C) Amylase
D) Mucous material - correct answer D
A patient reports having excessive amount of gas. Which suggestion can the nurse
provide to help control flatulence? SATA
A) Chew with the mouth closed
B) Avoid carbonated beverages
C) Eliminate known food offenders
D) Remove indigestible saccharides
E) Cut down on simple carbohydrates
F) Ingest less fermentable residue foods - correct answer C
D
Exam (2026/2027 Edition) | Question Bank | Practice
Questions with Detailed Answer Explanations
Which process does the intramural nerve plexus regulate in the GI tract? SATA
A) Gastric secretion
B) Muscle movement
C) Muscle contraction
D) Muscle secretion
E) Hormonal release - correct answer B
C
What is the function of cholecystokinin when released in the small intestine? SATA
A) Increased peristalsis
B) Inhibiting gastric hydrochloric acid secretion
C) Initiating pancreatic exocrine secretion
D) Activating the gallbladder to release bile into the duodenum
E) Moving digestive nutrients into the mucosa of the small intestine - correct answer B
C
D
In which wat are nutrient transported to various cells throughout the body? SATA
A) Fat-soluble nutrients are transported by the lymphatic system
B) Water-soluble nutrients are absorbed into the circulatory system
C) Portal circulation transports nutrients from the intestines to the liver
D) The circulatory system disperses nutrients to other cells throughout the body
,E) The lymphatic system provides an alternative route for water-soluble nutrients -
correct answer A
B
C
D
Which statement describes the Krebs cycle? SATA
A) It takes place in the mitochondria of the cell
B) Energy is converted into a form the body can use
C) ATP is produced at a consistent rate
D) It is the sum of chemical reactions that occur within a cell
E) Catabolic and anabolic reactions occur to supply cells with ATP - correct answer A
B
E
In phenylketonuria is left untreated, which consequence is possible? SATA
A) Convulsive seizures
B) Psychiatric disorders
C) Developmental problems
D) Irreversible brain damage
E) Central nervous system damage - correct answer A
B
C
D
E
Which process is a function of the liver? SATA
, A) Bile production
B) Regulation of blood glucose levels
C) Metabolism of hormones and medications
D) Conversion of excess ammonia to urea
E) Synthesis of proteins and blood-clotting factors - correct answer A
B
C
D
E
Which secreted substance facilitates swallowing of the food bolus during chemical
digestion in the mouth and esophagus?
A) Lipase
B) Gastrin
C) Amylase
D) Mucous material - correct answer D
A patient reports having excessive amount of gas. Which suggestion can the nurse
provide to help control flatulence? SATA
A) Chew with the mouth closed
B) Avoid carbonated beverages
C) Eliminate known food offenders
D) Remove indigestible saccharides
E) Cut down on simple carbohydrates
F) Ingest less fermentable residue foods - correct answer C
D
