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
举一反三
- 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
- 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
- An excess of calcium in the blood is called_____.
- The gradual replacement of cartilage and its intercellular substance by immature bone cells and calcium deposit is called ____________.
- Poor dietary intake of calcium is not likely to result in low blood calcium.
内容
- 0
An excess of calcium in the blood is called_____. A: exocalecemia B: hypercalcemia C: holocalcemia D: hypocalcemia
- 1
A 42-year-old patient is scheduled for surgery that will likely require a transfusion. Because the patient has a rare blood type, an autologous blood transfusion is planned. Prior to surgery, 1500 mL of blood is collected. The collection tubes contain calcium citrate to prevent coagulation. Which of the following is the mechanism for citrate’s anticoagulative action? A: Activating plasminogen B: Binding factor XII C: Blocking thrombin D: Chelating calcium
- 2
Which bone protects the brain ____? A: Calcium B: The cranium C: The cerebrum(大脑) D: The cerebellum(小脑)
- 3
Hematopoiesis refers to the formation of blood cells in the living body (especially in the bone marrow).____
- 4
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