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- Why is touching the filter paper on the skin avoided when blotting the flow of blood in doing bleeding time determination?Why is the Erythrocyte Sedimentation Rate ineffective in patients with severe anemia? Identify an appropriate sedimentation test that could be performed alternatively.If you make a five-tube twofold dilution using 2 mL of serum, what is the concentration of serum in tube #4?
- 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)?Why 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 hemocytometerWhy is it necessary to avoid underfilled blood samples in anticoagulant evacuated tubes?
- Tube A is a 1/5 dilution and then, using Tube A, is diluted to make a 1/10 labeled Tube B. What is the dilution to be made for each tube, is using serum and saline? What is the dilution of the solution in tube 1 and 2 .Why is there a need to puncture the skin at 3mm depth in doing the Duke's bleeding time test?Platelet aggregation was observed in patients' samples collected with EDTA. What would be the possible explanation for this occurrence, but how will it influence platelet count?
- Why sheep blood added in blood agar preparation does not coagulate prior to its use?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 Page