This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
True about malaria diagnosis: 
Select and explain. 
A. Thick smear to identify parasite, B. ABER reveals positivity by 100, C. All have same incubation, D. Fluorescein Ab becomes positive within 1 week
A: Thick smear to identify parasite
Answer: A: Thick smear to identify parasite 
Explanation: Ans. (a) Thick smear to identify parasite Thick film is more sensitive as it concentrates 20-30 layer of blood cells in small area Number of slides examined Annual blood examination rate, ABER -__________________________ x 100 population Incubation period of different malaria is different.