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TLS Online TPP Program
#Question id: 22971
#Unit 7. System Physiology – Animal
PTH actions on the kidney:
a. Stimulates phosphate reabsorption
b. Stimulates Ca2+ reabsorption
c. Inhibits phosphate reabsorption
d. Inhibits Ca2+ reabsorption
TLS Online TPP Program
#Question id: 22972
#Unit 7. System Physiology – Animal
Parathyroid hormone stimulates calcitriol production in the kidney by increasing the synthesis of
TLS Online TPP Program
#Question id: 22973
#Unit 7. System Physiology – Animal
Which enzyme converts 25-hydroxycholecalciferol to the active form, 1,25-dihydroxycholecalciferol.
TLS Online TPP Program
#Question id: 22974
#Unit 7. System Physiology – Animal
In the intestine, 1,25-dihydroxycholecalciferol induces the synthesis of
TLS Online TPP Program
#Question id: 22975
#Unit 7. System Physiology – Animal
1,25-dihydroxycholecalciferol stimulates the,
a. Secretion of phosphate ions from kidney
b. Secretion of calcium from kidney
c. Reabsorption of calcium from kidney
d. Reabsorption of phosphate ions from kidney
TLS Online TPP Program
#Question id: 22976
#Unit 7. System Physiology – Animal
In bone, 1,25-dihydroxycholecalciferol acts synergistically with PTH to stimulate