Mic 541 Exam 4 Actinomycetes And Misc Pathogens
MIC 541 Exam 4 Actinomycetes and Misc Pathogens
- 1.WHich of the following is not one of the infections discussed in class that is falls under the actinomycetes genera?
- A.
Dental plaque
- B.
Nocardiosis
- C.
Vaginosis
- D.
Actinomycosis
- 2.Actinomycetes have characteristics of
- A.
Fungi
- B.
Bacteria
- C.
Viruses
- 3.Actinomycetes form branches or filaments called
- A.
Pili
- B.
Hyphae
- C.
Glycocalyx
- 4.The clinical manifestations of infection are similar to those of a bacterial infection
- A.
True
- B.
False
- 5.Actinomycetes are susceptible to penicillin like bacterias
- A.
True
- B.
False
- 6.Actinomycetes are a form of fungi like bacteria
- A.
True
- B.
False
- 7.Which of the following are not true regarding actinomycetes?
- A.
Sometimes called thread bacteria
- B.
In composting they give off an earthy smell
- C.
Are primary decomposers of woody stems, newspapers and bark
- D.
Are very common in the soil
- E.
Actinomyces is the most numerous of all actinomycetes
- 8.Actinomycosis is mainly caused by
- A.
Actinomyces asteroides
- B.
Nocardia asteroides
- C.
Actinomyces israelii
- D.
Actinomyces viscosus
- 9.What is the most common type of actinomycosis?
- A.
Thoracic
- B.
Abdominal
- C.
Cervicofacial
- D.
Genital
- 10.Which type of actinomycosis is caused by aspiration into lung and is an extension of cervicofacial form?
- A.
Lower jaw
- B.
Thoracic
- C.
Genital
- D.
Abdominal
- 11.Genital actinomycosis can be linked to intrauterine devices
- A.
True
- B.
False
- 12.Which of the following is/are not used in the diagnosis of actinomycosis?
- A.
Examine pus for white or yellow granules
- B.
Immunofluorescence
- C.
Look for G-
- D.
Filamentous
- 13.Surgical debridement of damaged tissue is a prerequisite to antibiotic therapy for actinomycosis.
- A.
True
- B.
False
- 14.Which of the following is/are used in the treatment of actinomycosis?
- A.
Surgical debridement
- B.
Tetracycline
- C.
Penicillin G
- D.
Sulfamethoxazole
- E.
Trimethoprim
- 15.Which of the following is the treatment of choice for actinomycosis?
- A.
Penicillin G
- B.
Sulfamethoxazole
- C.
Trimethoprim
- D.
Tetracycline
- 16.Nocardiosis is caused by which of the following?
- A.
Actinomyces nocardia
- B.
Nocardia asteroides
- C.
Actinomyces asteroides
- D.
Nocardia actinomyces
- 17.The main risk factors for nocardiosis are a weakened immune system or chronic lung disease
- A.
True
- B.
False
- 18.Individuals with normal immune systems cannot acquire nocardiosis
- A.
True
- B.
False
- 19.Which of the following is/are risk factors for nocardiosis?
- A.
Chronic steroid therapy
- B.
Cancer
- C.
Influenza
- D.
Organ transplant
- E.
Bone marrow transplant
- F.
HIV/AIDS
- 20.Nocardiosis has a low mortality rate.
- A.
True
- B.
False
- 21.Which of the following are appropriate treatments for nocardiosis?
- A.
Cotrimazole
- B.
Surgical debridement
- C.
Penicillin G
- D.
Sulfadiazine
- 22.Whiich of the following is not true in regards to nocardiosis?
- A.
Relapse can occur
- B.
Respiratory infections never require more than a few weeks of treatment
- C.
Poor recovery after systemic infection
- D.
Early diagnosis is important
- 23.As sinus tracts extend to deep muscle and bone, nocardiosis can develop into ________.
- A.
Periodontitis
- B.
Actinomycititis
- C.
Actinomycetoma
- 24.Which of the following are true regarding nocardiosis?
- A.
Gram positive
- B.
Acid-fast organisms
- C.
Take 7-10 days to grow on medium
- D.
Microscopic appearance includes granules and filaments
- E.
All of the above are true
- 25.Actinomyces viscosus attach to enamel surface via....
- A.
Pili
- B.
Extracellular polysaccharides
- C.
Fimbrae
- D.
Sugars on the teeth
Questions: 21 | Attempts: 322 | Last updated: Jan 4, 2013
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