This quiz titled 'Block 5 Parathyroid phys pharm MCQs' assesses understanding of parathyroid hormone functions and their impact on conditions like hyperparathyroidism and osteoporosis. It is designed for medical students and professionals to evaluate clinical knowledge and application in endocrinology.
Increased CO, increased TPR, decreased HR
Increased CO, decreased TPR, increased HR
Decreased CO, decreased TPR, increased HR.
Decreased CO, decreased TPR, decreased HR
Decreased CO, decreased TPR, decreased HR
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Iron
Calcium
Phosphate
Potassium
Sodium
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PTH increases bone deposition and calcitonin increases bone resorption
PTH increases bone resorption and calcitonin inhibits bone resorption
PTH increases bone resorption and calcitonin increases bone resorption
PTH increases bone deposition and calcitonin inhibits bone resorption
PTH increases bone deposition and calcitonin has no influence on either bone deposition or resorption
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Calcitriol
Calcitonin
Estrogen
Parathyroid hormone
Leptin
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Activate receptor tyrosine kinase.
Are stored in granules
Travel primarily as free hormones in the circulation.
Are highly bound to plasma proteins.
Have half-lives of about 1 minute.
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Increased parathyroid hormone release
Decreased synthesis of 1,25 dihydroxy vitamin D3
Increased calcium absorption from the intestine
Decreased renal excretion of calcium
Increased calcium mobilization from bone
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A
B
C
D
E
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Calcium
Sodium
Chloride
Potassium
Iodide
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Addison's disease
Conn's syndrome
Cushing's syndrome
Diabetes mellitus
Diabetes insipidus
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Cushing's Disease
Ectopic corticotropin-producing tumor
Secondary renal insufficiency
Congenital adrenal hyperplasia E) Addison's Disease
Addison's Disease
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Inhibition of intestinal calcium absorption
Decreased ACTH secretion
Increased blood glucose levels
Decreased IL-1, IL-2 and 11-6 actions
Body fat redistribution
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Calcitriol
Alendronate
Estradiol
Raloxifene
Teriparatide
Cinacalcet
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Disappearance of cortisol producing adrenal cortical cells
Nonfunctional corticotrophs of the anterior pituitary
Nonfunctional corticotrophs of the posterior pituitary
Insufficient production of CRF by hypothalamic neurons.
Absence of ACTH receptors on adrenal cortical cells.
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Insulin
Thyroid hormone
Calcitonin
1,25-dihydroxycholecalciferol
Parathyroid hormone
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Tyrosine hydroxylase
Amino acid decarboxylase
COMT( catecholamine-O- methyl-transferase)
MAO(monoamine oxidase)
PNMT(phenylethanolamine-N-methyl transferase)
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A
B
C
D
E
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A
B
C
D
E
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Glutamate decarboxylase inhibitor
COX-2 inhibitor
Tricyclic antidepressant
Tryptophan hydroxylase inhibitor
Tyrosine hydroxylase inhibitor
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A decrease in circulating PTH (parathyroid hormone) levels.
A decrease in circulating CT (calcitonin) levels
A decrease in vitamin D levels.
A decrease in 25(OH)D levels.
A decrease in 1,25(OH)2D levels.
A decrease in thyroid hormone levels.
No effect
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Glutamate decarboxylase inhibitor
COX-2 inhibitor
Tricyclic antidepressant
Tryptophan hydroxylase inhibitor
Tyrosine hydroxylase inhibitor
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Tyrosine to dopa.
Tyrosine to dopamine.
Dopamine to dopa.
Epinephrine to norepinephrine.
Norepinephrin to epinephrine.
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