This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria), Subject name: Microbiology
Chlamydia does not cause: 
Select and explain. 
A. Q. fever, B. Non gonococcal urethritis, C. Trachoma, D. Salpingitis
A: Q. fever
Answer: A: Q. fever 
Explanation: Q fever is cause by a rickettsia: Coxiella burnetii. In males C. Trachomatis causes non gonococcal urethritis, epididymitis, proctocolitis and reactive ahritis. In females C. Trachomatis causes non gonococcal urethritis, cervicitis, salpingitis, PID and ectopic pregnancy.