Explanation: Two widely used specific tests are the fluorescent treponemal antibody (FTA) and the T. pallidum hemagglutination (TPH) test.

Explanation: C. jejuni causes acute exudative and hemorrhagic inflammation of the wall of the small and large intestine.

Explanation:Treponema pallidum causes syphilis disease in humans which is a venereal or congenital disease in humans.

Explanation: Tabes dorsalis results from damage to the spinal cord: the patient becomes uncoordinated and has loss of reflexes, uncontrollable urination, loss of perception, and sensation, blindness and loss of hearing.

Explanation: P. pseudomallei are a tropical and subtropical soil organism that can cause a disease known as melioidosis in a large variety of animals and occasionally in humans.

Explanation: P.aeruginosa is resistant to many common antibiotics, although gentamicin and carbenicillin often are effective.

Explanation: Pontiac fever is a less severe disease characterized by fever, chills, headache, dry cough and muscle pain and is self limiting and nonfatal.

Explanation: Brucella suis occurs in swine. They are mainly parasites and pathogens of domestic animals.

Explanation: Tetracycline is the drug of choice for the treatment of brucellosis in humans. No vaccine is available for human immunization.

Explanation: The organism will not grow on ordinary culture media because such media contain toxic substances such as unsaturated fatty acids. Starch must be added to absorb these toxic substances.

Explanation: A vaccine is available for epidemic control of meningococcal meningitis and consists of the purified capsular polysaccharides of serovars A and C; the serovar B polysaccharide appears not to be highly immunogenic.

Explanation: In the laboratory diagnosis of gonorrhea, isolation is done on Thayer-Martin medium, a rich blood-containing agar to which are added antibiotics to suppress the growth of other bacteria.

Explanation: Enteropathogenic strains colonize the jejunum and upper ileum of the small intestine and cause acute gastroenteritis in newborns and in infants.