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ANAT & PHYS: ENDOCR

ANAT & PHYS: ENDOCRINE SYSTEM

QuestionAnswer
releases gonadotropin-releasinghormone (GnRH) The hypothalamus
GnRH stimulates the anterior pituitary to secrete FSH and LH
stimulates interstitial cells to release testosterone LH
Pituitary hypersecretion in adulthood will result in this disease acromegaly
Which gland is associated with serotonin and melatonin production? pineal
Hyperparathyroidism causes bone resorption and renal calculi
Which concept explains the fact that target cells do not have a great number of receptors and normal circulating blood concentrations of hormones are very low? enzyme amplification
Chemical messengers that don't travel in blood but simply diffuse into and affect nearby cells are called ________ secretions. paracrine
helps to avoid dehydration or water overload. Prevents urine formation antidiuretic hormone
A lack of antidiuretic hormone will lead to diabetes insipidus
This hormone raises blood calcium levels parathyroid hormone
Hormones circulate to all tissues but only activate cells referred to as target cells
Triggered by hypothalamic corticotropin-releasing hormone (CRH) in a daily rhythm.Internal and external factors such as fever, hypoglycemia, and stressors can trigger the release of Adrenocorticotropic Hormone (Corticotropin)
stimulates gamete (egg or sperm) production FSH
LH works alone to trigger ovulation
LH works with FSH to cause maturation of the ovarian follicle
In females, stimulates milk production by the breasts Prolactin (PRL)
stimulates smooth muscle contraction in breasts and uterus Oxytocin
ADH and oxytocin are synthesized in the hypothalamus
Thyroid Hormone IS the body’s major metabolic hormone
The largest endocrine gland, located in the anterior neck, consists of two lateral lobes connected by a median tissue mass called the isthmus Thyroid Gland
plays a role in: Maintaining blood pressure, Regulating Tissue growth AND Developing skeletal and nervous systems.Maturation and reproductive capabilities Thyroid Hormone
A peptide hormone produced by the parafollicular, or C, cells.Lowers blood calcium levels in children Calcitonin
regulates calcium balance in the blood PTH (parathormone)
Maintains Na+ balance by reducing excretion of sodium from the body Aldosterone
Works under the sympathetic nervous system; more potent stimulator of the heart and metabolic activities; used to dilate bronchioles during asthma attack norepinephrine
Stimulates the adrenal cortex to release hormones ACTH
The interstitial cells of the testes are stimulated by LH to secrete . testosterone
Which gland secretes calcitonin and a hormone that stimulates ATP production? thyroid gland
Estradiol is produced by granulosa cells of the ovary
Chemical messengers that don't travel in blood but simply diffuse into and affect nearby cells are called ________ secretions. paracrine, or local hormones
Which hormone will cause a fall in blood glucose concentrations? insulin
Created by: ascpstudent100 on 2009-04-17



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