micro quiz set chp 19 20 21 Flashcards
The most common STD in the US is caused by:
a. Candida albicans
b. C. trachomatis
c. N. gonorrhoeae
d. Trichomonas vaginalis
B. C. trachomatis
______ is the most common cause of pneumonia in the world
a. C. pneumoniae
b. L. pneumophila
c. M. pneumoniae
d. S. pneumoniae
D. S. pneumoniae
Gas gangrene is always caused by
a. Bacillus anthracis
b. Clostridium spp
c. S. aureus
d. S. pyogenes
B. Clostridium spp.
The bacterial species most frequently associated with necrotizing fasciitis is
a. Francisella tularensis
b. S. aureus
c. S. pneumoniae
d. S. pyogenes
D. S. pyogenes
Which of the following diseases may be caused by C. trachomatis
a. inclusion conjunctivitis
b. nongonococcal urethritis
c. trachoma
d. all of the above
D. all of the above
Which of the following organisms is the most common cause of urethritis?
a. C. albicans
b. C. trachomatis
c. N. gonorrhoeae
d. T. vaginalis
B. C. trachomatis
Which of the following organisms is the most common cause of cystitis?
a. C. trachomatis
b. E. coli
c. N. gonorrhoeae
d. T. vaginalis
B. E. coli
Which of the following is the most common arthropod-borne disease in the US?
a. Lyme disease
b. Plague
c. Spotted fever rickettsiosis
d. tularemia
A. Lyme disease
Which of the following diseases is not caused by a spirochete?
a. Lyme disease
b. plague
c. relapsing fever
d. syphilis
D. Plague
Which of the following associations is incorrect?
a. Lyme disease and tick
b. plague and rat flea
c. spotted fever rickettsiosis and tick
d. typhoid fever and mosquito
D. typhoid fever and mosquito
Which of the following diseases is caused by an encapsulated yeast?
a. coccidioidomycosis
b. cryptococcosis
c. histoplasmosis
d. Pneumocystis pneumonia
B. Cryptococcosis
Which of the following diseases is not caused by a dimorphic fungus?
a. coccidioidomycosis
b. cryptococcosis
c. histoplasmosis
d. sporotrichosis
B. Cryptococcosis
Which of the following diseases is a synonym for ringworm infection of the nails?
a. tinea barbae
b. tinea cruris
c. tinea nigra
d. tinea unguium
D. tinea unguium
Which of the following is the most common systemic fungal disease in the US?
a. cryptococcosis
b. coccidioidomycosis
c. histoplasmosis
d. Pneumocystis pneumonia
C. histoplasmosis
One should associate the india ink preparation with diagnosis of
a. cryptococcal meningitis
b. thrush
c. tinea pedis
d. yeast vaginitis
A. cryptococcal meningitis
Bread moulds are most commonly associated with
a. thrush
b. tinea versicolor
c. vaginitis
d. zygomycosis
D. zygomycosis
Which of the following is the fungus most often isolated from human clinical specimens?
a. C. albicans
b. C. neoformans
c. H. capsulatum
d. Pneumocystis jirovecii
A. C. albicans
Which of the following methods is the quickest and most common way to diagnose yeast vaginitis?
a. culture
b. India ink preparation
c. KOH preparation
d. saline wet mount
D. saline wet mount
In the US, C. albicans causes approx _______ of the cases of vaginitis
a. 10%
b. 25%
c. 33%
d. 50 %
C. 33%
Tinea cruris is a ringworm infection of
a. feet
b. groin area
c. nails
d. palms of the hands
B. groin area
Humans develop malaria after the injection of Plasmodium _______ into the bloodstream by an infected female Anopheles mosquito when she takes a blood meal.
a. male and female gametocytes
b. schizonts
c. sporozoites
d. trophozoites
C. sporozoites
These Plasmodium life cycle stages must be ingested by a female Anopheles mosquito for the Plasmodium life cycle to continue in the mosquito.
a. male and female gametocytes
b. schizonts
c. sporozoites
c. trophozoites
A. male and female gametocytes
Which of the following protozoal diseases is not transmitted via an arthropod vector?
a. African trypanosomiasis
b. American trypanosomiasis
c. babesiosis
d. giardiasis
D. giardiasis
Which of the following protozoal diseases is least likely to be transmitted via blood transfusion?
a. American trypanosomiasis
b. babesiosis
c. malaria
d. trichomoniasis
D. trichomoniasis