Molecular processes of capacitation prepare the sperm for the acrosome reaction and enable the sperm to become hyperactive, which one is not the event of molecular processes___ 

TLS Online TPP Program

#Question id: 22966

#Unit 7. System Physiology – Animal

Which cells contains receptor for PTH?

a. osteoclasts

b. osteoblasts

c. preosteoclasts

d. osteocytes

TLS Online TPP Program

#Question id: 22967

#Unit 7. System Physiology – Animal

Which of the following statement are true about Osteoprotegerin?

a. A cytokine that promotes bone resorption.

b. A cytokine that inhibits bone resorption.

c. Produced by Osteoblasts

d. Produced by osteoclast

TLS Online TPP Program

#Question id: 22968

#Unit 7. System Physiology – Animal

Vitamin D and PTH appear to stimulate production of mature osteoclasts through the dual action:

a. Inhibiting OPG production

b. Stimulating RANKL formation

c. Stimulating OPG production

d. Inhibiting RANKL formation

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

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: 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