minerals

Question 1

most abundant mineral in the body? in the form of?

Answer 1

calcium, in the form of hydroxyapetite in bones

Question 2

what transports copper in blood?

Answer 2

ceruloplasmin

Question 3

what are metallochaperones?

Answer 3

bind Cu within the target cell and usher is to the appropriate compartment. CCS for SOD, Cox17 for cytochrome c oxidase

Question 4

menkes disease and wilsons disease are both due to defects in-

Answer 4

ATP7B

Question 5

what is the main excretion form of zinc?

Answer 5

by the pancreas in the form of pancreatic enzymes

Question 6

acrodermitis enteropathica

Answer 6

AR disorder affecting Zn absorption

Question 7

selenium is necessary for the synthesis of what class of enzyme?

Answer 7

glutathione peroxidases

Question 8

what is unique about glutathione peroxidase IV?

Answer 8

acts directly on per oxidized portions of phospholipids

Question 9

what part of thyroid hormone synthesis depends on Se?

Answer 9

deiodinases

Question 10

what is the main role of chromium?

Answer 10

enhances the effectiveness of insulin

Question 11

how does Zn deficiency impair folate?

Answer 11

decreased Zn = impaired conjugate = decreased folate absorption

Question 12

how does Cu deficiency cause anemia?

Answer 12

Cu deficiency impairs iron absorption, leading to microcytic anemia