First, determine the number of WBC's from the hemocytometer as follows:
WBC count = (dilution ratio x # of cells counted x 10) / (# mm2 area counted) Then: WBC count = (20 x 100 x 10) / (8) = 2500 WBC/mm3 (or 2500 WBC/uL or 2.5 x 103 WBC/uL) Next, to find the WBC count per liter, multiply the WBC count/uL by the number of uL/L (there are 106 uL/L) So: (2.5 x 103 WBC/uL) x (106 uL/L) = 2.5 x 109 WBC/L Hematology A 1:20 dilution is made for a manual WBC count. The four corner squares on both sides of a hemocytometer are counted. A TOTAL of 100 cells are counted in that area. What is the white blood cell count in terms of a liter (? x 10^9/L)?
Shigella and Salmonella are not found as normal flora in the gastrointestinal tract.
Which of the following are not considered normal flora of the gastrointestinal tract:
Match each of the descriptions with the appropriate magnification:
1. Color, Rouleau, Overall Slide Quality, Cell Distribution
2. Platelet estimates RBC-platelet-WBC morphology WBC differential RBC inclusions
3. Select area to examine, WBC estimate
Nucleated RBCs may be seen in the peripheral blood in cases of beta thalassemia major. Nucleated RBCs are usually not found in peripheral blood in cases of beta thalassemia minor and beta thalassemia intermedia, and would not be a finding in beta thalassemia minima.
Nucleated RBCs are most likely to be seen in the peripheral blood of which of these beta thalassemias?
Cerebrospinal fluid has three main functions:
Protect brain and spinal cord from trauma.
Supply nutrients to nervous system tissue.
Remove waste products from cerebral metabolism.
Which of the following are functions of CSF? Please select all correct answers
