calcium homo-states Flashcards

1
Q

Calcium homeostasis is regulated via

A

Interstinal calcium uptake
calcium absorption in the kidneys
bone calcium regulation

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2
Q

As calcium homeostasis endocrine or exocrine control

A

endrocrine

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3
Q

Calcium concentrations

A

Extracellular 1x10-3M
cytoplasmic 1x10-7M
ER/SR membrane 2-3X10-4M

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4
Q

ATP -dependent mechanisms to set up calcium gradients and sell

A

Plasma membrane calcium ATP\ase, SERCA

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5
Q

Mechanisms that increase calcium can involve moving across two different membranes name these

A

Plasma membrane or ER/SR

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6
Q

Calcium movement across the plasma membrane

A

Voltage operated calcium channels

ligand gated ion channels

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7
Q

Calcium movement out of the ER/SR

A

Calcium induced calcium release = RYANODINE receptor

IP3R

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