Examination + drawing of cells observed in blood smears

Question 1

What blood cells do u see in a blood smear?

Answer 1

Red and white

Question 2

How do you see the blood cells clearly?

Answer 2

By using high power on the microscope

Question 3

What types of white blood cells would u see?

Answer 3

Lymphocytes, monocytes, neutrophils

Question 4

What will lymphocytes look like? Function?

Answer 4

Large nucleus occupying large part of cell volume

May be B or T lymphocytes = function will be humoral or cell-mediated immunity

Question 5

What will neutrophils look like? Function?

Answer 5

Have a lobed nucleus

Type of phagocyte = engulfs + destroys foreign material in body

Question 6

What will monocytes look like? Function?

Answer 6

Have a horse-shaped nucleus

Able to squeeze through pores in capillary walls to become macrophages

Question 7

What safety measures should we be aware of?

Answer 7

• Care taken to carry microscopes
• Care taken when carrying slides

Question 8

What is the method?

Answer 8

1. Put microscope slide on stage + focus microscope on lowest mag
2. Change to medium power + refocus then do same for high power
3. Photograph slide + draw each blood cell + label it