Error for the blue coloration of the Romanowsky stain?
< washing with buffer
A stain not considered to be a type of Romanowsky stain?
Sterilization of media may be obtained by:?
heat. chemical methods, filtration. all of the above
The efficiency of the autoclave may be checked by filter paper strips impregnated with spores of the thermophile?
A moist heat type of sterilization or the thickening through evaporation is known as?
When a urine is cultured with a platinum loop calibrated to deliver 0.001 mleach colony grown is equal to?
"Clue cells" or epithelial cells covered with gram-variable organisms in a cervical smear are indicative of?
An organism that is not catalase positive is?
A presumptive test for the 10 of beta Strep group A is performed using a bacitracin disk of strength?
A beta streptococci gives the following reactions: bacitracin disk - R Camp - POS, 6.5% NaCI broth NG, bile esculin - NEG. The correct identification is?
Streptococcus mitis (Alpha Strep) is classified in which group?
The streptococcus that grows in 6.5% NaCI broth is?
The smallest pathogenic bacillus measuring 0.2 x 0.5u?
Mannitol salt agar is a selective media used to cultivate?
The best single test for differentiating species of Staphylococcus is?
All species of Enterobacteriaceae ferment?
The mordant in the Gram's stain is?
Members of the Enterobacteriaceae possess this type of flagella/
On TSI agar an organism exhibits these reactions: acid butt, alkaline slant, gas in butt, and H2S production. The most likely identification would be?,
Which of the following organisms is nonmotile?
Formation of the prussian blue color indicates a positive reaction with the test?
An example of a gram positive spore forming bacillus?
The organism in pus that produces sulfur granules which when crushed show long, filamentous gram POS bacilli?
The method not routinely used to stain for acid-fast organisms is?
Which method is not used to stain capsules?
The method not used for the digestion of sputums when culturing for M. tuberculosis?
Which of the following is the least suitable culture specimens for the recovery of M. tuberculosis except in AIDs patients?
The species of atypical mycobacteria that will grow pigmented In the dark is?
The two reagents used in the indole test are?
Kovacs and Ehrlich
The extracellular enzyme produced by many strains of bacteria. that specifically hydrolyses the amide bond in the beta lactim ring of penicillin analogues rendering the antibiotic inactive is?
The Jembec is a transport system used for the organism?
Which of the following organisms account for 40% - 50% of nongonococcal urethritis (NGU)?
81. Different types of jars or chambers for cultivating anaerobic bacteria include which of the following?
Brewer. Gas Pak. Anaerobic chamber. all of the above
Which of the following produces a characteristic "molar tooth" colony on brain-heart infusion agar after seven days of anaerobic incubation?
An anaerobic organism that produces a characteristic double zone of beta hemolysis is?
A gram negative anaerobic cocci is?
Which is not a catalase POS gram positive cocci?
Autoclaving a type of steam sterilization for media preparation, requires?
15 Ibs. pressure at 121 degrees C for 15 min.
Which organism is-not a gram positive bacillus?
An organism that is not a gram POS non-sporefarming rod?
Which is a classification of bacteremia?
intermittent. asymptomatic transient. continuous. all of the above
The clinically significant Pasteurella species in human infections is?
An organism that is not a gram POS sporefarming bacilli?
The only niacin-producing acid-fast organism likely to be encountered in the clinical laboratory is?
beige; light does not intensify pigment; M. intracellulare-avium
production of yellow pigment when exposed to light; M. kanassei
ability to produce mature colonies in 3 to 5 days' M.fortuitum
bright yellow pigment when gown in light or dark; .M.gordonae
Traditional STD; by cIose sexual contact?
Chlamydia trachomatis, Neisseria
Mayor may not be classified as STD?
Gardnerella vaginalis, Ureapiasma
STD caused by a virus?
Herpes, CMV, hepatitis
Produced by traditional organism in a non traditional site?
Salmonella, Shigella, Yersinia