CAMTASIA: Actions of Parathyroid Hormone

Question 1

Blood calcium is regulated largely by ____

Answer 1

PTH

Question 2

In the event of a ____ in plasma calcium levels, the follicular cells stimulates the release of PTH

Answer 2

Decrease

Question 3

When PTH is released, it goes to ____ and interacts with ____ starting bone formation.

Answer 3

Bone, osteoblasts,

Question 4

Once osteoblasts are stimulated by ____, they release ____ which stimulates the ____ which leads to bone ____

Answer 4

PTH, cytokines, osteoclasts, resorption

Question 5

In the kidney, PTH ____ calcium reabsorption in the kidney and ____ phosphate reabsorption.

Answer 5

Increases, decreases

Question 6

T/F PTH has influence on the intestines.

Answer 6

TRUE

Question 7

PTH also triggers the release of an enzyme in the kidney that activates ____ which influences intestinal epithelial cells which increases the production of ____ which increases the transport of ____ into the cell and subsequently into the blood.

Answer 7

Vitamin D, calbindin, calcium