Blood Films

Question 1

There are two types pf blood film which are:

Answer 1

1- Thick blood film

2- Thin blood film

Question 2

The Purpose of Blood film

It allows for examination of the physical characteristics of the (3) under the microscope.

It helps detect (2) in the blood.

Examination of blood films is important in the investigation and management of infections, wide range of illnesses, including detection of bloodborne parasites, like_____.

Answer 2

red cells, white cells and platelets

parasites or abnormal cells

malaria

Question 3

A_______ is a drop of blood on a glass slide.

______ are most useful for detecting the presence of parasites because they examine a larger sample of blood. (Often there are few parasites in the blood at the time the test is done.)

Answer 3

thick blood film

Question 4

A thin drop of blood that is spread across a large area of the slide.

_______ helps doctors discover what species of malaria is causing the infection

Answer 4

Thin blood smears

Question 5

Common faults in blood smear preparation

Answer 5

X Too big thin smear, thick
smear badly positioned

X Edge of spreader slide chipped

X Blood smears spread on a greasy slide

X Too much blood

X Too little blood

Question 6

Malaria Blood Smear

Thin smears

-Used to determine the species

Answer 6

•Dry
•Fix
•Stain

Question 7

Procedure of preparing a blood film

Three basic steps to make blood film:

Answer 7

1- Preparation of blood film.

2- Fixation of blood film(thin).

3- Staining of blood film.

Question 8

Results of examination

If positive, write the…

Answer 8

species of malaria parasite seen and do parasite counting