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?
举一反三
- 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
- Which of the following methods can not treat hyperkalemia? A: Infusion of calcium gluconate B: Infusion of sodium bicarbonate C: Hemodialysis D: Large inventory of blood transfusion
- j) As for the treatment method, if a patient over 30 years old the doctor would suggest the patient to take __________ as a special means to prevent the lesions to blood vessels.
- If your patient has classic carnitine palmitoyltransferase II deficiency,which one of the following laboratory test results would you expect to observe A: Elevated blood acylcarnitine levels B: Elevated ketone bodies in the blood C: Elevated blood glucose levels D: Low CPK blood levels E: Reduced blood fatty acid levels
- 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