Calcium entry across the brush border membrane of enterocytes is mediated by
A) Passive permeability through the lipid bilayer
B) Facilitated diffusion by calbindin
C) The epithelial calcium channel, ECaC
D) Ca-Cl2 co-transporter
E) PMCA
Correct Answer:
Verified
Q7: PTH
A) Increases calcium reabsorption and inhibits phosphate
Q8: The only hormone that significantly alters calcium
Q9: Giant, multinucleated cells that resorb bone are
Q10: Receptors for vitamin D
A) Bind to vitamin
Q11: Osteoclasts
A) Lay down the organic matrix of
Q13: The shaft of a long bone is
Q14: Cells that are embedded deep in bone
Q15: ells that line the surfaces of bone
Q16: The organic matrix of bone contains all
Q17: Phosphate absorption from the intestine is directly
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