The pancreas is both an exocrine and endocrine organ - Leaving Cert Biology - Question c - 2018
Question c
The pancreas is both an exocrine and endocrine organ. Define the term endocrine.
Using your knowledge of the endocrine role of the pancreas, state:
1. A substance p... show full transcript
Worked Solution & Example Answer:The pancreas is both an exocrine and endocrine organ - Leaving Cert Biology - Question c - 2018
Step 1
Define the term endocrine.
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Answer
Endocrine refers to the system that is ductless or secretes products directly into the bloodstream.
Step 2
Using your knowledge of the endocrine role of the pancreas, state:
1. A substance produced.
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Answer
Insulin
Step 3
Using your knowledge of the endocrine role of the pancreas, state:
2. The name of the endocrine tissue in the pancreas that produces it.
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Answer
Islets of Langerhans
Step 4
Using your knowledge of the endocrine role of the pancreas, state:
3. A site of action of the substance mentioned in 1.
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Answer
Body cells or liver
Step 5
Using your knowledge of the endocrine role of the pancreas, state:
4. The role of the substance mentioned in 1.
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Answer
Absorption of glucose from blood or lowers (or regulates) blood sugar levels.
Step 6
Describe how a feedback mechanism works in the human endocrine system.
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A feedback mechanism involves the production (or inhibition) of one hormone that can either stimulate or inhibit the production of itself (or another hormone). This regulation can be positive or negative.
Step 7
Give two examples of the use of hormone supplements.
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Treatment of deficiency of named hormone (e.g., insulin for diabetes).
Hormone Replacement Therapy (HRT) for menopause.
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