Podcast
Questions and Answers
What is the purpose of the red blood cell counting method mentioned in the text?
What is the purpose of the red blood cell counting method mentioned in the text?
- To count red blood cells in a given sample (correct)
- To understand the theory of platelet counting
- To see leukocytes under the microscope
- To visualize plasma in blood samples
Which piece of equipment is crucial for red blood cell counting?
Which piece of equipment is crucial for red blood cell counting?
- Petri dishes
- Test tubes
- Pipettes (correct)
- Slides
How is the counting chamber in the hemocytometer designed?
How is the counting chamber in the hemocytometer designed?
- With two central platforms and parallel supports for cover glass (correct)
- With three central platforms
- With one large square and two small squares
- With a single platform in the center
What are the dimensions of each small square in the 1 mm^2 square on the counting chamber?
What are the dimensions of each small square in the 1 mm^2 square on the counting chamber?
What is the purpose of Hayem's solution in red blood cell counting?
What is the purpose of Hayem's solution in red blood cell counting?
Why are the four corner squares of the counting chamber used?
Why are the four corner squares of the counting chamber used?
What is the correct angle at which the tip of the pipette should touch the space between the cover glass and the counting chamber?
What is the correct angle at which the tip of the pipette should touch the space between the cover glass and the counting chamber?
Why should bubbles be avoided during the process of diluting the blood for RBC counting?
Why should bubbles be avoided during the process of diluting the blood for RBC counting?
How many secondary squares in the counting chamber should be counted for RBCs?
How many secondary squares in the counting chamber should be counted for RBCs?
Why is it important to allow 2-3 minutes for the cells to settle before examining them under a microscope?
Why is it important to allow 2-3 minutes for the cells to settle before examining them under a microscope?
What volume does each tertiary square represent in the counting chamber?
What volume does each tertiary square represent in the counting chamber?
What is the purpose of counting all cells inside a square and those that touch the left-hand line and baseline (L-shape) when analyzing RBCs?
What is the purpose of counting all cells inside a square and those that touch the left-hand line and baseline (L-shape) when analyzing RBCs?
What formula is used to calculate the number of R.B.Cs per ul of undiluted blood?
What formula is used to calculate the number of R.B.Cs per ul of undiluted blood?
In the formula for calculating R.B.Cs per ul, what does '400' represent?
In the formula for calculating R.B.Cs per ul, what does '400' represent?
Which species has the highest normal count of R.B.Cs per ul?
Which species has the highest normal count of R.B.Cs per ul?
What is the clinical term for a decrease in the number of R.B.Cs below normal levels?
What is the clinical term for a decrease in the number of R.B.Cs below normal levels?
If the number of R.B.Cs increases above normal levels, what is the condition called?
If the number of R.B.Cs increases above normal levels, what is the condition called?
What factor needs to be multiplied by the number of cells in 80 tertiary squares to get the cells per ul of diluted blood?
What factor needs to be multiplied by the number of cells in 80 tertiary squares to get the cells per ul of diluted blood?
