MMSC 428 Final Exam - Complete Solutions with verified Answers

MMSC 428 Final Exam - Complete Solutions with verified Answers All of the HACEK group organisms can be found as normal oral microbiota of a. cats b. dogs c. humans d. rodents The causative agent of chancroid a. h. influenzae b. h. ducreyi c. h. aegyptius d. h. parainfluenzae Which organism is transmitted to humans via dog or cat bites or scratches a. h. ducreyi b. p. multocida c. a. aphrophilus d. a. actinomycetemcomitans Which of the following is a rapidly growing mycobacterium a. m. tuberculosis b. m. chelonae c. m. kansasii d. m. gordonae Specimen processing of a respiratory sample for mycobacterial culture includes which of the following a. decontamination b. digestion c. concentration d. all of the above Initial treatment for active tb includes all of the following except a. rifampin b. isoniazid c. pyrazinamide d. erythromycin Which organism has a growth requirement for arginine a. l. pneumophilia b. m. pneumoniae c. m. hominis d. u. urealyticum What is the gram reaction for mycoplasma species a. gram pos b. gram neg c. gram variable d. none of the above The best laboratory diagnostic approach for legionnaires' disease is a. culture b. urine antigen c. serology d. a & b Legionella urine antigen tests detect soluble antigen from which serogroup of l. pneumophila a. 1 b. 2 c. 3 d. 4 What is the purpose of acid treatment of respiratory specimens for legionella culture a. inhibits growth of legionella b. inhibits growth of normal respiratory flora c. makes the bcye agar acidic d. provides l-cysteine What is the causative agent of syphilis a. t. pallidum subspecies pertenue b. t. pallidum subspecies endemicum c. t. pallidum subspecies pallidum d. t. carateum Which test allows direct visualization of treponemes from the syphilis chancre a. gram stain b. kinyoun stain c. rpr d. dark field microscopy Which nontreponemal test for syphilis can be tired if reactive, and is used to monitor the success of patient treatment a. RPR b. FTA-ABS c. TP-PA d. BCYE True or false: relapsing fever can be transmitted by both soft ticks and fleas false Primary lyme disease manifests about 60% of the time with what