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Questions and Answers
Which glands secrete products (hormones) into the bloodstream?
Which glands secrete products (hormones) into the bloodstream?
- Sweat, oil, mucous, & digestive glands
- Pituitary, thyroid, parathyroid, adrenal, pineal (correct)
- Hypothalamus, thymus, pancreas, ovaries, testes, kidneys
- Exocrine glands
What is the function of local hormones?
What is the function of local hormones?
- Travel in blood
- Act on neighboring cells (correct)
- Aid in growth & development
- Regulate metabolism
How do lipid-soluble hormones enter the cell?
How do lipid-soluble hormones enter the cell?
- Pass through nuclear pores
- Bind to receptor on the cell surface
- Enter via endocytosis
- Diffuse through phospholipid bilayer (correct)
Which hormones act on distant targets and travel in the blood?
Which hormones act on distant targets and travel in the blood?
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Which functions are regulated by hormones?
Which functions are regulated by hormones?
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Study Notes
Endocrine Glands
- Endocrine glands secrete products (hormones) directly into the bloodstream.
Local Hormones
- Local hormones, also known as paracrine signals, have a local effect on nearby cells or tissues.
Lipid-Soluble Hormones
- Lipid-soluble hormones can diffuse through the lipid bilayer of the cell membrane to enter the cell.
Hormone Action
- Hormones that act on distant targets are transported through the bloodstream to reach their target cells.
- These hormones are produced by endocrine glands and can travel long distances to reach their targets.
Hormone Regulation
- Hormones regulate various functions, including growth and development, metabolism, and reproductive processes.
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