The following statements , _____, illustrate the functions of calcium.
A: nerve cells need calcium for nerve impulse conduction
B: muscle needs calcium to contract
C: blood needs calcium to clot
D: bone needs calcium to make itself hard
A: nerve cells need calcium for nerve impulse conduction
B: muscle needs calcium to contract
C: blood needs calcium to clot
D: bone needs calcium to make itself hard
举一反三
- Paratfollicular cells or C cells of thyroid also secrete calcitonin, which has the function of ( ). A: Enhancing osteoblast activity B: Promoting the conversion of bone calcium into blood calcium C: Promoting calcification of bone tissue D: Reducing blood calcium E: Elevating blood calcium
- The main function of calcitonin is A: increase blood calcium and blood phosphorus B: decrease blood calcium and blood phosphorus C: decrease blood calcium and increase blood phosphorus D: increase blood calcium and decrease blood phosphorus E: involve in the normal calcium regulation
- Poor dietary intake of calcium is not likely to result in low blood calcium.
- Which<br/>can be seen in CRF patient about calcium and phosphate() A: calcium↓<br/>phosphate↑ B: calcium↑<br/>phosphate↓ C: calcium↓<br/>phosphate↓ D: calcium↑<br/>phosphate↑ E: none of above
- An excess of calcium in the blood is called_____.