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Bio 431 Ch 18 Endocrine System Exam Questions and Answers
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Bio 431 Ch 18 Endocrine System Exam Questions and Answers
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Bio 431 Ch 18 Endocrine System ExamQuestions and Answers
The nervous system releases ____________; the endocrine system releases
____________. - Answer-Neurotransmitters, Hormones
____________ glands secrete their products into ducts or onto the surface of an organ.
- Answer-Exocrine
Exocrine glands include (4): - Answer-Sudoriferous (sweat) glands
Sebaceous (oil) glands
Mucous glands
Digestive glands
____________ glands secrete their products into interstitial fluid around them which
diffuses into the blood stream through capillaries. - Answer-Endocrine
Endocrine glands include (5): - Answer-Pituitary gland
Thyroid gland
Parathyroid glands
Adrenal glands
Pineal gland
Receptors may be _____________ in the presence of high concentrations of hormones.
- Answer-Down-regulated
Receptors may be ____________ in the presence of low concentrations of hormones. -
Answer-Up-regulated
Hormones that don't circulate are _______________. - Answer-Local hormones
(paracrines)
Hormones that act on the same cell that secretes them are called? - Answer-Autocrine
Hormones are either ____________ soluble, or __________ soluble. - Answer-Lipid,
Water
_______________ hormones bind to receptors within a target cell. - Answer-Lipid-
soluble
_______________ hormones bind to receptors on the exterior surface of the target cell.
- Answer-Water-soluble
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