Gain-of-function mutations in which of the following genes typify colorectal carcinomas?

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: 22973

#Unit 7. System Physiology – Animal

Which enzyme converts 25-hydroxycholecalciferol to the active form, 1,25-dihydroxycholecalciferol.

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: 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: 22970

#Unit 7. System Physiology – Animal

Estrogen play important role in bone remodeling by the stimulation of;

TLS Online TPP Program

#Question id: 22969

#Unit 7. System Physiology – Animal

Glucocorticoids promote osteoclast activity and bone resorption by;

a. Decreasing RANKL production 

b. Decreasing formation of OPG

c. Increasing RANKL production 

d. Increasing formation of OPG