A&P II - UTA BIOL 2458 - Exam 1 Study Guide with
Complete Solutions 2024/2025
Endocrine System Mode... - Correct Answer Blood borne and its messengers are hormones
Endocrine System... - Correct Answer Slow compared to the nervous system
Anterior Pituitary... - 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,
ACTH
HGH or Human Growth Hormone... - 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
FSH or Follicle Stimulating Hormone... - Correct Answer Ovaries initiate development of oocytes;
testes stimulate testosterone production
, ACTH or Adrenocorticotropic Hormone... - Correct Answer Stimulates glucocorticoid secretion by
adrenal cortex
MSH or Melanocyte Stimulating Hormone... - Correct Answer Uncertain complete role probably
regulates skin pigmentations
Posterior Pituitary... - 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.
Throxin T3 and T4... - Correct Answer Both increase BMR, stimulate protein synthesis, increase use of
glucose and fatty acids for ATP production.
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.
Aldonsterone... - Correct Answer Retains sodium in exchange for potassium.
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