What factors can prolong the coagulation time? What is the reason for the use of siliconized glass wares in coagulation test? Why does capillary blood have a shorter coagulation time than the venous blood?
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- What factors can prolong the coagulation time?
- What is the reason for the use of siliconized glass wares in coagulation test?
- Why does capillary blood have a shorter coagulation time than the venous blood?
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- Three test tubes contain 2% albumin solution. One drop of 1N acid is added to the 1st test tube and 2 drops of 5N acid to the 2nd test tube. The third test tube serves as control. Theoritically, which test tube do you think has the best coagulation when heated? Explain.What are the potentially affected tests if an evacuate tube with silica clot activator was filled first before a blue-top coagulation tube?Why is the Erythrocyte Sedimentation Rate ineffective in patients with severe anemia? Identify an appropriate sedimentation test that could be performed alternatively.
- What are the precipitates that were produced during the calcium and chloride ion test when it comes to Analysis of Blood? Write the equations involved clearly and easily understandable.Is a tube containing Sodium or lithium heparin additive, acceptable for Erythrocyte sedimentation rate? Why or Why not?Why do you discard the first four drops of the diluting fluid drawn up to 101 mark from the pipet? Name the different RBC diluting fluids. Why is Formol-citrate the best RBC diluting fluid? In case of polycythemia, the count is 8.0 x 10¹²/L, Explain the variation in technique.
- 0.1 ml of a blood sample is diluted into 9.9 ml. 0.1 ml of this is then diluted into 9.9 ml. 1 ml is plated. 42 colonies form. What is the CFUS/ml in the blood sample?The physician ordered erythromycin 500 mg IV every 8 hours for infection. The pharmacy sends a vial labeled: Erythromycin 1 g. The nursing drug reference provides information to reconstitute 1 g of erythromycin with 20 mL of sterile water and further dilute in 250 mL of 0.9% NS and to infuse over 2 hours. How many ml will you draw from the vial after reconstitution and add it to the IV bag of 0.9% NS 250 mL? 20 mL 5 mL 15 mL 10 mL Page 10 of 14 Previous Page Next PageWhy did we have to use different diluents for RBC and WBC counts? How would a bubble in the pipette used to transfer diluent into the solution added to the hemocytometer affect the RBC count? Know the formula for determining the cell count in 1mm3 based on the hemocytometer
- Precipitin test is typically performed to identify the origin of blood. What are the advantages of using the gel diffusion method over the others (capillary method and electrophoretic method)?A Physician orders 40 mL of an IV solution containing ampicillin to run in 30 minutes with a microdrop infusion set. This is to be followed by 500 mL of NS to infuse at 50 drops per minute with an infusion set of 20 gtt/mL. What is the total infusion time for the two IV solutions?Which sample has the greater chance to be hemolyzed, evacuated tube drawn sample or a syringe drawn sample? Explain why. Why is it important to gently mix evacuated blood tubes with anticoagulants or additives? When collecting blood in an evacuated tube with an anticoagulant, what is the importance of having the correct volume of blood? What is the principle behind the use of the evacuated tube? List 5 most common errors encountered during blood extraction using ETS.