This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lab Investigations, Subject name: Microbiology
1)Paul bunnel tests A.Rickettsial Diseases 2)Weil felix reaction B. Infectious mononucleosis 3)Tzank test C. Herpes virus 4)Sabin Feldman dye D. Toxoplasmosis 
Select and explain. 
A. 1-b,2-a, 3-c, 4-d, B. 1-b, 2-c, 3- d, 4-a, C. 1-c, 2-d, 3-a, 4-b, D. 1-d, 2-A 3- b, 4-a
A: 1-b,2-a, 3-c, 4-d
Answer: A: 1-b,2-a, 3-c, 4-d 
Explanation: 1Paul bunnel tests A. Infectious mononucleosis 2)Weil felix reaction B. Rickettsial Diseases 3)Tzank test C. Herpes virus 4)Sabin Feldman dye D. Toxoplasmosis Other test VDRL and RPR: Treponema pallidum Microscopic agglutination test: Leptospirosis Standard agglutination test: Brucella Elk's gel precipitation test: Corneybacterium diphtheria Widal test: typhoid Sabin fieldman dye test: Toxoplasmosis