NWHSU Mash Histology 2 Test 1 Endocrine System
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| By which receptor model would aldosterone likely affect its targets? | Mobile/intracellular receptor model
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| Name the hormones described: Increased blood sugar by gluconeogenesis | Glucagon, Cortisol
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| Name the hormones described: Low levels in infancy result in mental retardation | T3 (Thyroxine), T4 (Triiodothyronine) thyroid hormones
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| Name the hormones described: Increases blood calcium | Parathyroid hormone
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| Name the hormones described: Stimulates contraction of uterine smooth muscle | Oxytocin
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| Name the hormones described: Decrease blood potassium | Aldosterone
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| Name the hormones described: Decrease the sensitivity of targets to catecholamines | Thyroxine (T4)
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| Secreted by neuron of the hypothalamus (Name the hormones described A-F below. Choose your answers from the list provided.) | A.
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| Stimulates cells of the kidney to reabsorb water (Name the hormones described A-F below. Choose your answers from the list provided.) | Anti-diuretic Hormone
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| Under tonic inhibition (Name the hormones described A-F below. Choose your answers from the list provided.) | Prolactin
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| Stimulates emptying of the mammary gland (Name the hormones described A-F below. Choose your answers from the list provided.) | Oxytocin
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| Affects mitosis of the epiphyseal disc. (Name the hormones described A-F below. Choose your answers from the list provided.) | Luteinizing Hormone
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| Stimulates the Leydig cells of the testis to secrete testosterone (Name the hormones described A-F below. Choose your answers from the list provided.) | Luteinizing Hormone
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| Which portion of the pituitary differentiates from Rathke’s pouch? | Adenohypophysis
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| What is the function of the hypothalamic-hypophyseal portal system? | Ensures that concentration of RF or RIF is HIGH enough to stimulate target cells
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| A steroid hormone is likely to affect its target via the _______ receptor model. | Mobile/intracellular
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| Rathke’s pouch gives rise to all components of the ________ | Adenohypophysis
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| The nerve cell bodies of cells secreting oxytocin are located _______ | Hypothalamus
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| Name the hormones described below: stimulate contraction of myoepithelial cells in the lacating mammary gland | Oxytocin
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| Name the hormones described below: increase blood sugar | Glucagon, Cortisol, Epinephrine
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| Name the hormones described below: secreted in response to an increase in blood osmolarity | Antidiuretic Hormone
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| Name the hormones described below: low levels result in growth and mental retardation | T3 and T4 Thyroid Hormones
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| Name the hormones described below: low levels result in diabetes insipidis | ADH
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| Name the hormones described below: inhibit secretion of insulin, glucagons, growth hormone | Somatostatin
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| Why is a low level of aldosterone dangerous? | Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in the blood.
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| Antidiuretic hormone and oxytocin are secreted from neurons whose nerve cell bodies are located in _________. | Hypothalamus
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| In normal physiology, antidiuretic hormone is secreted in response to A. ___________ and cause the kidney to B. ___________ | A. Increase in blood osmolarity sensed by neurons of brain, LOW blood volume sensed by stretch receptors in right atrium and baroreceptors in aorta, pulmonary and carotid aa. B. Reabsorbs H2O
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| In females, it appears that __________ (hormone) is important in the stress reaction. | Oxytocin
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| In which receptor model does the hormone have a direct effect on the target's DNA? | Mobile receptor/Intracellular receptors
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| Which one of the following is NOT likely with decreased insulin levels? ketosis, acidosis, tachypnea, starvation of the CNS, glucosuria, all are likely? | starvation of the CNS
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