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54 Cards in this Set
- Front
- Back
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A cell can respond to a hormone only if it possesses receptors for that hormone
True or False? |
True
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Prolactin is an example of a tropic hormone
True or False? |
False
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Hypoglycemia stimulates increased secretion of GHIH
True or False? |
False
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The receptors in the feedback loop regulating ADH secretion are osmoreceptors in the kidneys
True or False? |
False
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The thyroid gland usually contains most of the iodine in the body
True or False? |
True
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Hormones secreted from the posterior pituitary gland are synthesized by the...
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Hypothalamus
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The main target for ADH is the...
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Kidney
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The thyroid gland is located...
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In the neck, anterior to the trachea
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The mammary glands are an important target for...
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Both prolactin and oxytocin
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Hormones from the posterior pituitary are released in response to...
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Nerve impulses from the hypothalamus
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The innermost layer of the adrenal cortex is the...
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Medulla
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Increased heart rate and force of contraction are effects of...
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Epinephrine
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Osmoreceptors in the hypothalamus stimulate secretion of...
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ADH from the hypothalamus in response to high osmotic pressure
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Increasing synthesis of the enzymes that run the active transport pump sodium/potassium ATPase is the major effect of...
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Mineralcorticoids
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When a hormone that uses a second messenger binds to a target cell, the next thing that happens is that...
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Adenylate cyclase is activated by a G-protein
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Releasing and inhibiting hormones are produced by the...
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Hypothalamus to control the anterior pituitary
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Thyroglobulin is...
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The major component of colloid inside follicles
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Long-term therapy with steroid drugs, such as cortisone, can cause...
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Increased blood glucose levels
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Insulin-growth like factors are necessary for the full effect of...
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hGH
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The primary stimulus for release of cortisol and corticosterone is...
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ACTH
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Paracrine transport means...
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Local hormones act on neighboring cells
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Tyrosine is modified to produce these 4 things...
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Norepinephrine, Thyroxine, Dopamine, and Epinephrine
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The specific effect of a water soluble hormone on a target cell depends on the...
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Specific protein kinase activated
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Suckling is an important stimulus for release of...
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Oxytocin
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A chemical grouping of hormones derived from arachidonic acid is the...
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Eicosanoids
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This hormone works by direct gene activation
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Cortisol
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A hormone that influences an endocrine gland other than its source is called a...
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Tropin
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Hypoglycemia is a stimulus for the release of...
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GHRH
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GnRH directly stimulates the release of...
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FSH
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Name some characteristics of hormones
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Produced by specialized cells, transported to cells far away, produces a response, and interacts with a receptor
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A mode of transport where a hormone is secreted into the extracellular fluid and affects cells that are far away is called...
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Hemocrine
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An example of a hormone secreted via a neurocrine route is...
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Oxytocin
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An abnormally high or low concentration of hormone produced by an endocrine gland is called...
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A Pathological Concentration of Hormone
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Insulin is classfied as a...
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Peptide Hormone
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This is primarily carried in the blood by a carrier...
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Estradiol
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This gives the fastest response to hormonal stimulation
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A hormone binding to a single transmembrane receptor with kinase activity
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This is not a second messenger
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Cadmium
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Name 4 different second messengers
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cAMP, Inositol tri-phosphate, Calcium, and Diacylglycerol
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Cholera toxin carries out its effects by...
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Blocking GTPase activity
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The enzyme that breaksdown cAMP to AMP is called a...
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Phosphodiesterase
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This does not use cAMP as a second messenger...
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Anrenergic alpha 1
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Name 4 things that use cAMP as a second messenger...
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Adrenergic beta 1, beta 2, alpha 2, beta 3
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Calcium carries out its effects in the cell by...
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Stimulating a calmodulin dependent kinase
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A ligand...
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Binds to a receptor and activates it
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Up regulation of a receptor occurs if...
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There is too little hormone available to the receptor
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Which group of cells from the anterior pituitary are responsible for the release of FSH and LH?
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Gonadotropes
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This is not in the response sequence for glucocorticoids
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Hormone binds to a cytoplasmic receptor
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All of these are in the response sequence for glucocorticoids...
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Free hormone crosses the membrane, complex stimulates translation, complex stimulates transcription in the nucleus
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What is the position containing the difference in the structure of vasopressin and oxytocin?
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8
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A diuretic...
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Increases the amount of urine you can eliminate
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Caffeine and ethanol work in a similar way to promote urine formation
True or False? |
False
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An example of a positive feedback in a hormone system is...
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Oxytocin and its effect on labor
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This is not lipid soluble...
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Insulin
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These are all lipid soluble...
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Aldosterone, Progesterone, Nitric Oxide, and Triiodothyronine
(STEROIDS ARE ALL NOT LIPID SOLUBLE!) |
