PNP401 Practice Questions and Correct
Answers
Which of the following cells in the gastric mucosa produce intrinsic factor and
hydrochloric acid?
a. Parietal cells
b. Chief cells
c. Mucous cells
d. Gastrin cells
A. parietal cells
Which of the following is the primary site for absorption of nutrients?
a. Stomach
b. Duodenum
c. Ileum
d. Ascending colon
C. ileum
When highly acidic chyme enters the duodenum, which hormone stimulates the release
of pancreatic secretions that contains very high bicarbonate ion content?
a. Gastrin
b. Secretin
c. Cholecystokinin
d. Histamine
B. secretin
,Which of the following breaks protein down into peptides?
a. Amylase
b. Peptidase
c. Lactase
d. Trypsin
D. trypsin
In which structure is oxygenated blood (arterial) mixed with unoxygenated blood
(venous) so as to support the functions of the structure?
a. Pancreas
b. Liver
c. Small intestine
d. Spleen
B. Liver
Which of the following stimulates increased peristalsis and secretions in the digestive
tract?
a. Sympathetic nervous system
b. Vagus nerve
c. Increased saliva
d. Absence of food in the system
B. vagus nerve
Which of the following is contained in pancreatic exocrine secretions?
a. Bicarbonate ion
b. Hydrochloric acid
, c. Activated digestive enzymes
d. Insulin
A. bicarbonate ion
The presence of food in the intestine stimulates intestinal activity but inhibits gastric
activity through the:
a. defecation reflex.
b. enterogastric reflex.
c. vomiting reflex.
d. autodigestive reflex.
B. enterogastric reflex
Which of the following processes is likely to occur in the body immediately after a meal?
a. Lipolysis
b. Ketogenesis
c. Gluconeogenesis
d. Glycogenesis
D. glycogenesis
What does the term gluconeogenesis refer to?
a. Breakdown of glycogen to produce glucose
b. Conversion of excess glucose into glycogen for storage
c. Formation of glucose from protein and fat
d. Breakdown of glucose into carbon dioxide and water
C. formation of glucose from protein and fat
Answers
Which of the following cells in the gastric mucosa produce intrinsic factor and
hydrochloric acid?
a. Parietal cells
b. Chief cells
c. Mucous cells
d. Gastrin cells
A. parietal cells
Which of the following is the primary site for absorption of nutrients?
a. Stomach
b. Duodenum
c. Ileum
d. Ascending colon
C. ileum
When highly acidic chyme enters the duodenum, which hormone stimulates the release
of pancreatic secretions that contains very high bicarbonate ion content?
a. Gastrin
b. Secretin
c. Cholecystokinin
d. Histamine
B. secretin
,Which of the following breaks protein down into peptides?
a. Amylase
b. Peptidase
c. Lactase
d. Trypsin
D. trypsin
In which structure is oxygenated blood (arterial) mixed with unoxygenated blood
(venous) so as to support the functions of the structure?
a. Pancreas
b. Liver
c. Small intestine
d. Spleen
B. Liver
Which of the following stimulates increased peristalsis and secretions in the digestive
tract?
a. Sympathetic nervous system
b. Vagus nerve
c. Increased saliva
d. Absence of food in the system
B. vagus nerve
Which of the following is contained in pancreatic exocrine secretions?
a. Bicarbonate ion
b. Hydrochloric acid
, c. Activated digestive enzymes
d. Insulin
A. bicarbonate ion
The presence of food in the intestine stimulates intestinal activity but inhibits gastric
activity through the:
a. defecation reflex.
b. enterogastric reflex.
c. vomiting reflex.
d. autodigestive reflex.
B. enterogastric reflex
Which of the following processes is likely to occur in the body immediately after a meal?
a. Lipolysis
b. Ketogenesis
c. Gluconeogenesis
d. Glycogenesis
D. glycogenesis
What does the term gluconeogenesis refer to?
a. Breakdown of glycogen to produce glucose
b. Conversion of excess glucose into glycogen for storage
c. Formation of glucose from protein and fat
d. Breakdown of glucose into carbon dioxide and water
C. formation of glucose from protein and fat
