Clinical Micro

Match the organism with the appropriate selective media that would be used to aid in culture and identification of the organism. 1. B. pertussis 2. N. gonorrhoeae 3. V cholorae 4. Y. enterocolitica 5. M. tuberculosis 6. S. aureus

1. Bordet-Genjou 2. Thayer Martin 3. TCBS 4. CIN 5. Lowenstein-Jensen 6. Mannitol Salt

Match the bacteriological media to its type. Answers may be used more than once. 1. Chocolate agar 2. Blood agar 3. TCBS 4. XLD 5. MAC 6. HEK 7. Thayer Martin agar

1. Enriched 2. Nutritive 3. Selective and Differential 4. Selective and Differential 5. Selective and Differential 6. Selective and Differential 7. Selective

Match the virus with its type (DNA or RNA) HIV-B HTLV-B Influenza virus-B Rhinovirus-B HPV-A HSV-A Cytomegalovirus-A

A- DNA B- RNA

Which of the following viral groups are common causes of the respiratory tract infections?

Adenoviruses

Which of the following organisms will grow on cell free artificial media?

B. bergdorferi

Which one of the following is the causative agent of Lyme Disease?

B. burgdorferi

Which of the following organisms is the causative agent of lymphogranuloma venereum (LGV)?

Chlamydia trachomatis

Which of the following cause sexually-transmitted diseases?

Chlamydia trachomatis Treponema pallidum Ureplasma urealyticum

Match each of the following bacteria with its gram stain reaction. 1. C. perfringens 2. M. pneumoniae 3. Moraxella lacunata 4. Alcaligenes faecalis 5. Cardiobacterium hominis 6. Micrococcus luteus 7. Campylobacter jejuni 8. Bordatella pertussis 9. H. influenzae 10. C. diphtheriae

1. G+ 2. No Gram Reaction 3. G- 4. G- 5. G- 6. No Gram Reaction 7. G- 8. G- 9. G- 10. G+

Match the organism to its disease: 1. E. coli 2. C. diff 3. C. perfringens 4. S. aureus 5. L. monocytogenes 6. B. pertussis 7. B. burgdorferi 8. T. pallidum 9. C. psittaci 10. C. burnetii

1. Hemolytic Uremic Syndrome 2. Pseudomembranous colitis 3. Gas Gangrene 4. Toxic Shock Syndrome 5. Neonatal meningitis 6. Whooping cough 7. Lyme's disease 8. Syphillis 9. Parrot Fever 10. Q fever

Which of the following is NOT a resident flora of the skin?

E. coli

Which of the following organisms produces the hockey stick shaped arthroconidia?

Geotrichum candidum

Which of the following tests allow for differentiation of Candida albicans over other Candida species?

Germ tube test

The following two organisms will NOT grow on blood agar but will grow on chocolate agar

H. influenzae and N. gonorrhoeae

Which of the following is a G- bacteria?

Mycobacterium avium

Which of the following is a slow-growing, non chromogenic Mycobacterium species that is both niacin and nitrate positive?

Mycobacterium tuberculosis

A gram negative bacillus that is green in the closed tube but yellow in the open tube of OF (oxidative fermentative) media would be classified as a

Oxidizer

The most commonly recovered anaerobe from clinical specimens that is more resistant to antimicrobial agents than are other anaerobes, that is resistant to bile, are often catalase +, and esculin + is

Proprionobacterium acnes

Which of the following Rickettsia species is transmitted via the rate flea?

R. typhi

Which of the following bacterial species would be individually reported out if it were the predominating isolate of the upper or lower respiratory tract?

S. pyogenes S. aureus N. meningitidis

Which of the following is a common media used to culture fungi?

Sabaraud's Dextrose Agar

Which of the following organisms cause meningitis in newborns?

Streptococcus agalactiae, Neisseria meningitidis Listeria monocytogenes

A specimen comes into the lab and is plated onto BAP and MAC. There is a predominant, creamy colored organism growing on the BAP but not on the MAC. What does this say about the organism?

The organism is likely a gram positive organism.

Which of the following fungal organism is the cause of Athlete's foot?

Tinea pedis

Which of the following viruses if the cause of the chicken pox?

Varicella zoster virus (VZV)

A patient is in the emergency room with severe diarrhea that is described as having rice water consistency. The individual ate raw at a raw seafood bar prior to developing symptoms. The patient's stool sample grew on TCBS agar and the agar turned yellow. What organisms would you suspect this patient was affected with?

Vibrio cholerae

Which of the following viral components is a protein coat that encloses the genetic material

capsid

An individual comes to the hospital with a high fever and malaise. A CBC and differential indicates that the patient has a high WBC count with high neutrophils. Three blood cultures are collected thoughout the day. Within 24 hours, all 3 under aerobic conditions indicate positive growth. A gram stain of the blood culture bottle indicates a G+ organism in clusters. What is the next test you perform?

catalase

The test that differentiates Staphylococcus from Streptococcus is

catalase

Scrub typhus, caused by Orential tsutsugamushi, is transmitted via which vector?

chigger

Which of the following differentiates S. aureus from S. epidermidis?

coagulase

The stage of growth when bacteria are doubling at a constant rate is called the ______ phase

exponential

Types of infections in which anaerobic bacteria do NOT play a major role include:

oral abscess

Helminthes include which of the following parasite categories?

trematodes cestodes nematodes