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BIO 171T – Exam 3 Study Guide – Respiratory & Digestive Systems –
100% Verified Questions and Answers – LATEST UPDATED 2025
A&P II College Exam Prep
The region of the stomach that empties into the duodenum is the
CORRECT ANSWER - pyloric part
Which of the following nutrients is absorbed by the lacteals of the small intestine?
CORRECT ANSWER - triglycerides
The primary effect of secretin is to __________.
CORRECT ANSWER - increase the secretion of bile and buffers by the liver and the pancreas
What is the hormone secreted by the small intestine that dilates capillaries in the small intestine area?
CORRECT ANSWER - VIP
Fatty acids and lipids are absorbed into the ____________ found in each villus of the small intestine.
CORRECT ANSWER - lacteal
Which peptide hormone causes the secretion of insulin from the pancreatic islets?
CORRECT ANSWER - GIP
The absorption of which vitamin would be impaired if the stomach were removed?
CORRECT ANSWER - B12
Salivary amylase secreted by
CORRECT ANSWER - salivary glands
Sympathetic stimulation ___ salivation
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CORRECT ANSWER - decreases salivation
What is perhaps the most important function of the large intestine?
CORRECT ANSWER - water reabsorption
Which of the following is NOT a region of the small intestine?
CORRECT ANSWER - cecum (large intestine)
G cells of the stomach secrete
CORRECT ANSWER - gastrin
lacteal function
CORRECT ANSWER - absorbs materials that cannot enter the blood capillaries
Pepsinogen is converted to pepsin by
CORRECT ANSWER - gastric lumen.
gallbladder
CORRECT ANSWER - stores and concentrates bile secreted by the liver
Gastric lipase function
CORRECT ANSWER - Splits triglycerides into fatty acids and monoglycerides
stomach absorbs
CORRECT ANSWER - Some water, ions, short chain fatty acids, certain drugs (aspirin) and alcohol
heaviest gland in body
CORRECT ANSWER - liver
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tissue that lines nasal cavity, superior portion of pharynx, trachea, bronchi, and larger bronchioles
CORRECT ANSWER - pseudostratified ciliated columnar epithelium
The lungs contains a total of five
CORRECT ANSWER - lobes (3 on the right, 2 on the left)
Crude sounds are formed into intelligible speech by all of the following except the
CORRECT ANSWER - epiglottis
which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?
CORRECT ANSWER - carbonic anhydrase
Each hemoglobin molecule can transport up to ________ oxygen molecules
CORRECT ANSWER - 4
The layer of loose connective tissue that directly supports the digestive epithelium is the
CORRECT ANSWER - lamina propria
Which law states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its
individual gases
CORRECT ANSWER - Dalton’s
Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?
CORRECT ANSWER - vestibular and vocal
glottis is where
CORRECT ANSWER - air passes through larynx
Why does air flow into the lungs during inspiration?
BIO 171T – Exam 3 Study Guide – Respiratory & Digestive Systems –
100% Verified Questions and Answers – LATEST UPDATED 2025
A&P II College Exam Prep
The region of the stomach that empties into the duodenum is the
CORRECT ANSWER - pyloric part
Which of the following nutrients is absorbed by the lacteals of the small intestine?
CORRECT ANSWER - triglycerides
The primary effect of secretin is to __________.
CORRECT ANSWER - increase the secretion of bile and buffers by the liver and the pancreas
What is the hormone secreted by the small intestine that dilates capillaries in the small intestine area?
CORRECT ANSWER - VIP
Fatty acids and lipids are absorbed into the ____________ found in each villus of the small intestine.
CORRECT ANSWER - lacteal
Which peptide hormone causes the secretion of insulin from the pancreatic islets?
CORRECT ANSWER - GIP
The absorption of which vitamin would be impaired if the stomach were removed?
CORRECT ANSWER - B12
Salivary amylase secreted by
CORRECT ANSWER - salivary glands
Sympathetic stimulation ___ salivation
,2|Page
CORRECT ANSWER - decreases salivation
What is perhaps the most important function of the large intestine?
CORRECT ANSWER - water reabsorption
Which of the following is NOT a region of the small intestine?
CORRECT ANSWER - cecum (large intestine)
G cells of the stomach secrete
CORRECT ANSWER - gastrin
lacteal function
CORRECT ANSWER - absorbs materials that cannot enter the blood capillaries
Pepsinogen is converted to pepsin by
CORRECT ANSWER - gastric lumen.
gallbladder
CORRECT ANSWER - stores and concentrates bile secreted by the liver
Gastric lipase function
CORRECT ANSWER - Splits triglycerides into fatty acids and monoglycerides
stomach absorbs
CORRECT ANSWER - Some water, ions, short chain fatty acids, certain drugs (aspirin) and alcohol
heaviest gland in body
CORRECT ANSWER - liver
, 3|Page
tissue that lines nasal cavity, superior portion of pharynx, trachea, bronchi, and larger bronchioles
CORRECT ANSWER - pseudostratified ciliated columnar epithelium
The lungs contains a total of five
CORRECT ANSWER - lobes (3 on the right, 2 on the left)
Crude sounds are formed into intelligible speech by all of the following except the
CORRECT ANSWER - epiglottis
which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?
CORRECT ANSWER - carbonic anhydrase
Each hemoglobin molecule can transport up to ________ oxygen molecules
CORRECT ANSWER - 4
The layer of loose connective tissue that directly supports the digestive epithelium is the
CORRECT ANSWER - lamina propria
Which law states that the total pressure of a gas mixture is equal to the sum of the partial pressures of its
individual gases
CORRECT ANSWER - Dalton’s
Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?
CORRECT ANSWER - vestibular and vocal
glottis is where
CORRECT ANSWER - air passes through larynx
Why does air flow into the lungs during inspiration?
