Download - CHEM 2 Ch 23 Review Questions
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8/23/2019 CHEM 2 Ch 23 Review Questions
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Chem2 Quizbank Ch23 Exam2
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1. T/F 1,25-dihydroxy vitamin D [1,25(OH)2 vitamin D] is the best blood test for determiningadequacy of vitamin D stores in the body
a. False2. Development of ___ ____ is the primary complication of hypercalciuria (increased urinary
excretion of calcium).
a. Kidney Stones3. Skin ____, and kidneys are involved in the production of the active metabolite of Vitamin D.
a. Liver4. ___________ is a type of bone most rapidly lost in response to hypogonadism and
glucocorticoid therapy.
a. Trabecular bone5. T/F Parathyroid hormone (PTH) and 1,25-dihydroxy vitamin D (vitamin D) are the principal
hormones involved in the normal physiologic regulation of calcium homeostasis.
a. True6. T/F 1,25(OH)2 vitamin D, due to i-hydroxylase activity in macrophages, may be produced to
excess in granulomatous diseases and lymphoid disorders, leading to hypercalcemia.
a. True7. T/F hormone Replacement does not inhibit bone resorption in osteoporotic patients
a. False8. _________ ___________ is the most common cause of hypoparathyroidism
a. Neck surgery9. T/F teriparatide is the only drug currently approved by the FDA for treatment of osteoporosis
that directly stimulated bone formation (i.e., it is not an antiresorptive drug).
a. True10.T/F Parathyroid hormone-related protein (PTHrP) is produced by some cancers and often leads
to cancer-associated hypercalcemia
a. True11. In primary hyperparathyroidism, the defect primarily lies in ____________. In secondary
hyperparathyroidism, the defect primarily lies with the threat of ________ to the body.
a. Parathyroids, hypocalcemia12._________ cells in bone are responsible fot bone resorption; and________ cells are responsible
for bone formation,
a. Osteoclasts; osteoblasts13.T/F Cod liver Oil is a source of Vitamin D
a. True14.__________ is the most prevalent metabolic bone disease in the United States
a. Osteoporosis15.The primary organs involved in the maintenance of calcium homeostasis are the intestine, _____
and kidney
a. bone