BIOD 151 Module 3 Exam Questions With 100% Verified Answers
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Course
BIOD 151
Institution
BIOD 151
BIOD 151 Module 3 Exam Questions With
100% Verified Answers
Explain why someone who has hypergastrinemia (excessive secretion of gastrin) might develop
gastric/stomach ulcers. - answerGastrin stimulates the secretions of pepsinogens and
hydrochloric acid. Excess
amounts would lead to erosion o...
A patient is experiencing vitamin toxicity. What type of vitamin would be causing this
toxicity? Explain your answer.
A. Water soluble vitamin
B. Fat soluble vitamin
C. All of the above - answer✔Fat soluble vitamins are stored within the body's fat stores making
it harder for
the body to rid itself of them.
Explain which digestive system functions are carried out by the large intestine. -
answer✔Absorption: In the large intestine water and electrolytes are reabsorbed and
vitamins are absorbed.
Defecation: Feces travel to the rectum where it is excreted via the anus.
Describe parietal cells and chief cells: name their location, secretions and purposes. -
answer✔The parietal cells (located in the wall of the stomach body) secrete hydrochloric
acid, generating a pH of 1.3-3.5. This very acidic pH kills many of the bacteria
ingested along with food. In addition, the low pH stops the activity of salivary
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