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Dr. Timothy Henry A&P II UTA Exam 1 graded A+
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Dr. Timothy Henry A&P II UTA Exam 1 graded A+/Dr. Timothy Henry A&P II UTA Exam 1 graded A+/Dr. Timothy Henry A&P II UTA Exam 1 graded A+
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Dr. Timothy Henry A&P II UTA Exam 1Endocrine System Mode - correct answer Blood borne and its messengers are hormones
Endocrine system - correct answer Slow compared to the nervous system.
Anterior Pituatary - correct answer Hormone release stimulated by releasing and inhibiting
hormones from the hypothalamus. Regulated by negative feedback. Hypothalamic hormones
made by neurosecretory cells transported by hypophyseal portal system.
Hormones of the Anterior Pituitary - correct answer HGH, Prolactin, Luteninzing, Follicle
Stimulating Hormone, Melanocyte Stimulating Hormone, Thyroid Stimulating Hormone, and
ACTH
HGH - correct answer Stimulates secretion of insulin-like growth factors (IGFs) that promote
growth, and protein synthesis.
TSH or Thyroid Stimulating Hormone - correct answer Stimulates synthesis and secretion of
thyroid hormones by thyroid.
Follicle-stimulating hormone (FSH) - correct answer Ovaries initiate development of oocytes;
testes stimulate testosterone production
Luteinzing Hormone - correct answer Ovaries stimulate ovulation; testes stimulate
testosterone production
Prolactin PRL - correct answer Promotes milk secretion by mammary glands
ACTH - correct answer Stimulates glucocorticoid secretion by adrenal cortex
Melanocyte-stimulating Hormone (MSH) - correct answer Uncertain complete role probably
regulates skin pigmentaions
Posterior Pituatary - correct answer Does not synthesize hormones. Stores and releases
hormones made by the hypothalamus.
Oxytocin - correct answer During and after delivery of baby affects uterus and breasts.
Enhances smooth muscle contraction in wall of uterus. Stimulates milk ejection from mammary
glands.
ADH - correct answer Decreases urine production by causing the kidneys to return more water
to the blood. Decreases water lost through sweating and constriction of arterioles which
increases blood pressure.
Thyroid Glands - correct answer Produces Thyroxins and Calcitonin.
Throxins T3 and T4 - correct answer Both increase BMR, stimulate protein synthesis, increase
use of glucose and fatty acids for ATP production.
, Dr. Timothy Henry A&P II UTA Exam 1
Calcitonin - correct answer Produced by C cells in the thyroid they decrease blood calcium
level.
Parathyroid Hormone - correct answer Secreated by parathyroid glands its a major regulator of
calcium, magnesium, and phosphate ions in the blood.
Increases number and activity of osteoclasts thereby elevates bone resorption.
Adrenal Medulla - correct answer Releases epinephrine and norepinephrine. Increases
sympathetic responses.
Adrenal Cortex - correct answer 3 mineralcorticoids. Aldosterone, Andorgens, and
glucocorticoids.
Aldosterone - correct answer Retains sodium in exchange for potassium
Androgens - correct answer Masculinzing effects
Glucocortcoids - correct answer Affect glucose homeostasis using hormones using cortisol.
Ovaries - correct answer Produce estrogen and progesterone.
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[[[[[[[[[`h7yt0p-Testes - correct answer Produces testosterone which regulates sperm
production and secondary male characteristics.
Pneal Gland - correct answer Releases melatonin which regulates sleep
Thymus - correct answer Its hormones help T cells mature. In children trains cells to attack as
you get older it becomes less and less useful (involution).
Water Soluable - correct answer Binding of hormone to its receptor activates G protein which
activates a secondary messenger.
Lipid Soluable - correct answer nto the cell and can alter DNA quickly.
Acramegaly - correct answer Abnormal growth of the hands, feet, and face, caused by
overproduction of growth hormone by the pituitary gland.
Gigantism - correct answer When a tumor grows on the pituitary gland, the gland makes more
growth hormone than the body needs. Other less common causes of gigantism may include:
McCune-Albright syndrome: a disease that causes abnormal growth in bone tissue, patches of
light-brown skin, and gland abnormalities.
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