Ca/Pi regulating hormones

Question 1

calcitonin stimulant

Answer 1

hypercalcemia

Question 2

calcitonin inhibitor

Answer 2

PTH
hypocalcemia

Question 3

calcitonin bone effects

Answer 3

bone formation via inhibition of osteoclats

Question 4

calcitonin kidney effects

Answer 4

ca2+ wasting (incr ca2+ excretion)

Question 5

calcitonin net effect

Answer 5

lower plasma Ca2+

Question 6

PTH stimulatn

Answer 6

hypocalcemia
hyperphosphatemia

Question 7

PTH inhibitor

Answer 7

Vit D
FGF23

Question 8

PTH bone effect

Answer 8

bone realeases Ca2+ and Pi into plasma via activation of osteoclasts

(incr mineral reabsoprtion INTO BLOOD)

Question 9

PTh intestine effect

Answer 9

incr Ca2+ absorption
incr Pi absorption

(via Vit D activataion)

Question 10

PTH kidney effect

Answer 10

Ca2+ reabsoprtion
Pi excretion
Vit D activation

Question 11

PTH net

Answer 11

incr plasma Ca2+
decr plasma Pi

Question 12

Vit D stimuli

Answer 12

PTH

Question 13

Vit D injibitor

Answer 13

Ca2+
Vit D
FGF23

Question 14

Vit D intestin

Answer 14

Ca2+ absorption
Pi absorption

Question 15

Vit D kidney effect

Answer 15

Ca2+ absorption
Pi absorption

Question 16

Vit D Net

Answer 16

incr plasma Ca2+
incr plasma Pi

Question 17

FGF23 stimuli

Answer 17

hyperphosphatemia
PTH
Vit D

Question 18

FGF23 inhibitor

Answer 18

hypophosphatemia
low PTH
low Vit D

Question 19

FGF23 bone effect

Answer 19

decr mineralization with low pi and low Vit D

Question 20

FGF23 intestine

Answer 20

decr Pi absoprtion by inhibiting Vit D

Question 21

FGF23 kidney

Answer 21

pi excretion

Question 22

FGF23 net

Answer 22

lowers plasma Pi