Question | Answer |
For delays in transpot, most microbiologic specimens should be refrigerated except | Blood / CSF / Anaerobic specimens |
Specimens not routinely accepted for anaerobic culture are | Sputum / Catheterized urine / Bowel contents |
The temperature of incubation usually is 35C for bacteria and viruses and 30C for fungi. | TRUE |
No more than four blood culture sets should be submitted in a 24-hour period. | TRUE |
The optimal time to collect a blood sample for Loaloa extremities is | Noon |
With a duration of symptoms of <25-hours, thr probable infection causing meningities is | Pyogenic bacteria |
Anaerobic culture is not routinely performed on cerebrospinal fluid specimens. | TRUE |
The VDRL (Venereal Disease Research Laboratory tests)is the only useful test for detecting syphilis antibodies in CSF. | TRUE |
Otitis media most pften is caused by organisms derived from the respiratory flora. | TRUE |
Feces optimally should be examined within 2-hours of collection. | TRUE |
The reference method for detection of cytotoxine, such as the one produced by Clostridium difficile, is cell culture assay. | TRUE |
Fungal culture of stool is not recommended. | TRUE |
Organisms such as are always pathogenic in genital tract specimens. | Chlamydia trachomatis and Haemophilus ducreyi but not Group B streptococci. |
Culture of Actinomyces sp. should be incubated anaerobically for 14 days. | TRUE |
Trichomonas vaginalis most often is detected by examination of a wet mount examination of vaginal or urethral discharge, prostatic secretions, or urine sediment. | TRUE |
>10 squamous epithelial cells in a respiratory specimen is contaminated with saliva. | TRUE |
Legionellosis can be diagnosed by | Culture / Detection of antigen in the urine / Serologic testing. |
Burkholderia cepacia is an important respiratory pathogen in persons with cystic fibrosis. | TRUE |
No culture methods are available for Pneumocystis carinii. | TRUE |
Vincent angina is an acute necrotizing ulcerative tonsillitis. | TRUE |
Acceptable methods of urine collection include | Midstream clean catch and Catheterization but not Foley catheter tip. |
Most commonly isolated viruses from urine are | Cytomegalovirus CMV, Herpes simplex virus HSV and Adenovirus. |