Quiz 10 Flashcards
(23 cards)
What is the stimulus, source, target, and effect of CRH (Corticotropin releasing hormone)?
Stimulus:late-night or early morning stress
Source: hypothalamus
Target: anterior pituitary gland
Effect: increase secretion of ACTH (adrenocorticotropic hormone)
What is the stimulus, source, target, and effect of ACTH (adrenocorticotropic hormone)?
Stimulus: Stress
Source: Anterior pituitary
Target: zona fasiculata
Effect: Secretion of corticosteroids (cortisol)
What is the stimulus, source, target, and effect of cortisol?
Stimulus: increased ACTH levels
Source: zona fasiculata
Target: liver, fat cells, basophils, lymphocytes, muscle cells
Effect: Stress response; increase nutrients in blood
What is the stimulus, source, target, and effect of TRH (Thyrotropin releasing hormone)?
Stimulus: Decrease in thyroid hormones
Source: Hypothalamus
Target: anterior pituitary gland
Effect: Promotes secretion of TSH and PRL
What is the stimulus, source, target, and effect of TSH (Thyroid stimulating hormone)
Stimulus: TRH
Source: anterior pituitary gland
Target: Thyroid gland
Effect: Growth of Thyroid and secretion of thyroid hormone
What is the stimulus, source, target, and effect of TH (thyroid hormone)
Stimulus: TSH
Source: Thyroid gland
Target: follicular cells of thyroid gland
Effect: Increase metabolic rate of cells
What is the stimulus, source, target and effect of GHRH (Growth hormone releasing hormone)
Stimulus: Age and time of day (evening)
Source: hypothalamus
Target: anterior pituitary gland
Effect: Promote secretion of growth hormone
What is the stimulus, source, target and effect of GH (Growth hormone)?
Stimulus: GHRH
Source: Anterior pituitary
Target: Liver, bone, cartilage, fat
Effect: Tissue growth
What is the stimulus, source, target and effect of Insulin?
Stimulus: High blood glucose levels
Source: beta cells
Target: liver and adipose tissue
Effect: lower blood glucose levels
What is the stimulus, source, target, and effect of glucagon?
Stimulus: low blood glucose levels
Source: alpha cells
Target: liver and adipose tissue
Effect: Increase blood glucose levels
What is the stimulus, source, target, and effect of ADH (antidiuretic hormone)?
Stimulus: dehydration
Source: Hypothalamus
Target: kidneys
Effect: increase water reabsorption in kidneys
What is the stimulus, source, target, and effect of aldosterone?
Stimulus: Decreased sodium and increased potassium levels in blood
Source: Zona glomerulosa
Target: blood to kidneys
Effect: increase sodium reabsorption, increase potassium secretion
What is the stimulus, source, target and effect of calcitonin?
Stimulus: high levels of calcium in blood
Source: Thyroid gland
Target: osteoclasts
Effect: Decrease blood calcium levels
What is the stimulus, source, target and effect of PTH (Parathyroid Hormone) ?
Stimulus: low levels of calcium in blood
Source: parathyroid gland
Target: Osteoclasts
Effect: Increase blood calcium levels
What is the stimulus, source, target and effect of Androgens?
Stimulus: N/A
Source: zona reticularis
Target: Gonads
Effect: Female: influence sex drive, Male: Growth of reproductive system
What is the stimulus, source, target and effect of GnRH (Gonadotropin releasing hormone)?
Stimulus: low levels of estrogen and testosterone
Source: hypothalamus
Target: Anterior pituitary gland
Effect: Stimulate secretion of LH and FSH
What is the stimulus, source, target and effect of LH (Luteinizing hormone)?
Stimulus: GnRH
Source: anterior pituitary gland
Target: Male: Testes, Female: Ovaries
Effect: regulate production and maturation of gametes, hormone synthesis by gonads
What is the stimulus, source, target and effect of FSH (Follicle Stimulating Hormone)?
Stimulus: GnRH
Source: anterior pituitary gland
Target: Females: Ovaries, Males: Testes
Effect: regulate production and maturation of gametes, hormone synthesis by gonads
What is the stimulus, source, target and effect of PRL (Prolactin)?
Stimulus: Breastfeeding
Source: anterior pituitary gland
Target: mammary glands
Effect: Regulate mammary gland growth and milk production
What is the stimulus, source, target and effect of epinephrine?
Stimulus: increase in activity of sympathetic nervous system
Source: Adrenal medulla
Target: blood
Effect: heart rate, breathing rate, fore of contraction of heart increases
What is the stimulus, source, target and effect of thymosin?
Stimulus: prior to puberty
Source: thymus gland
Target: thymus
Effect: Maturation of T-lymphocytes
What is the stimulus, source, target and effect of PRH (prolactin releasing hormone)?
Stimulus: Pregnancy
Source: hypothalamus
Target: anterior pituitary gland
Effect: Stimulate secretion of prolactin
What is the stimulus, source, target and effect of oxytocin?
Stimulus: Childbirth
Source: hypothalamus
Target: mammary glands, smooth muscle of uterus
Effect: Contraction of smooth muscle in uterus, ejection of milk
