What is the preferred blood source for blood film preparation and explain why​

A drop of well-mixed blood (blood collected in acid [EDTA] is often preferred) is placed near the frosted end of the first slide. A second slide (the spreader slide) is placed at about a 30-degree angle to the first and drawn back until it touches the drop of blood.

Explanation:

not quite sure but i think its

answer:

the questionnaire that you filled with all the “yes” responses will be asked by the doctor in order to determine the kind of problems and issues that you are currently facing. the doctor will also ask if there are any other concerns that you want to share that have not been mentioned in the questionnaire  

your doctor would also make sure that frequent appointments are scheduled for regular check ups.