This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NVBDCP, NLEP, Subject name: Social & Preventive Medicine
'Dipstick test' for rapid diagnosis of Plasmodium falciparum is based on:- 
Select and explain. 
A. Arginine-rich protein, B. Histidine-rich protein, C. Tyrosine-rich protein, D. Serine-rich protein
B: Histidine-rich protein
Answer: B: Histidine-rich protein 
Explanation: 'Dipstick test' is used for the rapid diagnosis of plasmodium falciparum: Is a 'rapid whole blood immunochromatographic test'. Uses 2 antibodies specific for 'Pf Histidine Rich Protein II antigen'. Is a 'antigen capture assay'. ALSO REMEMBER: Serological diagnosis of Kala Azar is based on: rk39 antigen. Serological diagnosis of Dengue is based on: NS-1 antigen.