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NAU BIO202 Exam 1 Questions and Answers well Explained Latest 2024/2025 Update 100% Correct. $7.99   Add to cart
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NAU BIO202 Exam 1 Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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Oxytocin (OT) - 1. Surge of hormone released during sexual arousal and orgasm 2. Promotes feelings of sexual satisfaction and emotional bonding between partners 3. Stimulates labor contractions during childbirth 4. Stimulates ejection of milk during lactation Hydrophilic hormones - Bioamines, p...

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  • August 17, 2024
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  • 2024/2025
  • Exam (elaborations)
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NAU BIO202 Exam 1
Oxytocin (OT) - 1. Surge of hormone released during sexual arousal and orgasm

2. Promotes feelings of sexual satisfaction and emotional bonding between partners

3. Stimulates labor contractions during childbirth

4. Stimulates ejection of milk during lactation



Hydrophilic hormones - Bioamines, peptides and proteins



insulin, GH, epinephrine



Hydrophobic hormones - steroids and thyroid hormones



Cortisol, thyroid hormone, estrogen/testosterone



up-regulation - target cells form more receptors in response to the hormone



down regulation - target cells lose receptors in response to the hormone



pineal gland - releases melatonin



Hypothalamic hormones - Anterior-

GNRH, GHRH, TRH, CRH, PRH,PIH, Somtostatin



Posterior-

Oxytocin and ADH



hypothalamus and posterior pituitary -

, antidiuretic hormone (ADH) - promotes retention of water by kidneys



can cause vasoconstriction




Feedback used for hormones - Normally negative, except for OT. That uses positive.



Hypothalamus and anterior pituitary - has 2 capillary beds which makes it called a portal system



Thyrotropin-releasing hormone (TRH) - Promotes secretion of thyroid-stimulating hormone (TSH)



Corticotropin-releasing hormone (CRH) - Promotes secretion of adrenocorticotropic hormone
(ACTH)



Prolactin Releasing Hormone - stimulates release of prolactin



Prolactin-inhibiting hormone (PIH) - Inhibits secretion of prolactin (PRL)



Growth hormone-releasing hormone (GHRH) - Promotes secretion of growth hormone (GH)



somatostatin (GHIH, growth hormone inhibiting hormone) - Inhibits release of growth hormone
(GH), thyroid stimulating hormone (TSH/thyrotropin), and prolactin



Gonadotropin-releasing hormone (GnRH) - Promotes secretion of follicle-stimulating hormone
(FSH) and luteinizing hormone (LH)



Follicle-stimulating hormone (FSH) - stimulates production of ova and sperm

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