This quiz assesses understanding of hypothalamic and pituitary physiology and pharmacology, focusing on disorders like dwarfism and diabetes insipidus, and treatments such as vasopressin analogues. It is designed for learners specializing in endocrinology or preparing for medical exams.
Blocking prolactin receptors
Blocking receptors for prolactin releasing hormone
A cytotoxic effect on pituitary adenoma cells
Stimulating dopamine receptors
Stimulating serotonin receptors
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D
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Increased CRH, increased ACTH, and increased cortisol
Decreased CRH, decreased ACTH, and decreased cortisol
Increased CRH, decreased ACTH, and decreased cortisol
Increased CRH, increased ACTH, and decreased cortisol
Decreased CRH, decreased ACTH, and increased cortisol
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It stimulatesV2 receptors
It prevents the breakdown of ADH
It stimulate the release of ADH from posterior pituitary
It stimulates V1 receptors
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Luteinizing Hormone (LH)
Thyroid Stimulating Hormone (TSH)
Follicle Stimulating Hormone (FSH)
Oxytocin
Prolactin (Prl)
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Excessive production of somatostat in by periventricular hypothalamic neurons.
Inadequate production of GHRH by arcuate neurons of the hypothalamus
Inadequate production of IGF-1 by somatotrophs of the anterior pituitary gland.
Overproduction of GHRH by arcuate neurons of the hypothalamus.
Inability of the liver to produce IGF-1.
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Leuprolide
Cosyntropin
Somatropin
Octreotide
Protirelin
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Somatropin
Pegvisomant
Octreotide
Sermorelin
Cabergoline
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Hormone
Paracrine
Autocrine
Intracrine
Neuroendocrine
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Aquatrophs of the anterior pituitary are not being stimulated by vasopressin releasing hormone.
V1 receptors on epithelial cells of the collecting tubules and ducts are absent.
V2 receptors on epithelial cells of the collecting
High plasma concentration of vasopressin acting at magnocellular neurons of the Para ventricular nucleus of the hypothalamus has suppressed hypothalamic release of vasopressin
Magnocellular neurons of the Para ventricular and suproptic nuclei of the hypothalamus are not responding to an increase in whole body osmolarity and are not releasing vasopressin from the posterior pituitary.
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E
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Low plasma levels of growth hormone binding protein
Low plasma levels of IGF-1
Elevated plasma levels for growth hormone releasing hormone
Decreased plasma levels of somatostatin
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Insulin
Thyroid hormone
Calcitonin
1,25-dihyroxycholecalciferol
Parathyroid hormone
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