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Questions and Answers
Which of the following glands have ducts that empty their secretions onto a surface?
Which of the following glands have ducts that empty their secretions onto a surface?
- Endocrine glands
- Apocrine glands (correct)
- Merocrine glands (correct)
- Exocrine glands (correct)
All of the following are examples of exocrine glands except?
All of the following are examples of exocrine glands except?
- Sweat gland
- Mammary gland
- Lacrimal gland
- Thymus gland (correct)
What would happen if insulin were given orally?
What would happen if insulin were given orally?
- It would have a toxic effect on the body.
- It would be inactivated by digestive enzymes in the stomach. (correct)
- It would irritate the lining of the digestive tract.
- It would cause an allergic reaction.
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Study Notes
Endocrine Glands
- Endocrine glands secrete hormones directly into the bloodstream.
Exocrine Glands
- Exocrine glands secrete their products through ducts onto a surface.
- Examples of exocrine glands include sweat glands, lacrimal glands, mammary glands.
- The thymus gland is an example of an endocrine gland.
Insulin
- Insulin is a hormone that regulates blood sugar levels.
- Insulin is inactivated by digestive enzymes in the stomach.
- Insulin cannot be taken orally.
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