I need help with these questions please.
4. Respiratory cultures obtained from an individual with cystic fibrosis should include selective medium for the isolation of
a. Burkholderia pseudomallei.
b. Burkholderia cepacia complex.
c. Acinetobacter baumannii.
d. Stenotrophomonas maltophilia.
5. The second- and third-degree burns of a firefighter become infected with Pseudomonas aeruginosa while she is hospitalized in the burn unit. What is the most likely environmental source for this organism?
a. Her gastrointestinal tract
b. The bathtub used to debride her wounds
c. Fresh flowers received from her family
d. Her blood pressure cuff
6. A 69-year-old retired army general develops pneumonia after his diagnosis of chronic lymphocytic leukemia. The organism isolated in his sputum culture is an oxidase-positive, wrinkled, non-lactose fermenter with a musty odor that is arginine positive. He probably acquired this organism from
a. aerosols of soil and water while serving in Vietnam.
b. his pet horse.
c. the hospital environment.
d. his normal upper respiratory flora.
8. Hugh-Leifson oxidation-fermentation (OF) medium differs from carbohydrate medium used to identify Enterobacteriaceae by all of the following characteristics except
a. brom thymol blue is used as the pH indicator.
b. a control tube is not required for OF medium.
c. there is a higher percentage of carbohydrate present in OF medium.
d. there is a lower concentration of protein present in OF medium.
9. An oxidase-positive, wrinkled, non-lactose fermenting colony is suspicious for
a. the organism that causes glanders.
b. an individual with cystic fibrosis.
c. a potential bioterrorism agent.
d. a common antibiotic-resistant nosocomial organism.
10. The isolation of an extremely mucoid, oxidase-positive, non-lactose fermenter from the lower respiratory tract usually correlates with the clinical diagnosis of
a. melioidosis.
b. nothingâit is an environmental contaminant.
c. glanders.
d. cystic fibrosis.
I need help with these questions please.
4. Respiratory cultures obtained from an individual with cystic fibrosis should include selective medium for the isolation of
a. Burkholderia pseudomallei.
b. Burkholderia cepacia complex.
c. Acinetobacter baumannii.
d. Stenotrophomonas maltophilia.
5. The second- and third-degree burns of a firefighter become infected with Pseudomonas aeruginosa while she is hospitalized in the burn unit. What is the most likely environmental source for this organism?
a. Her gastrointestinal tract
b. The bathtub used to debride her wounds
c. Fresh flowers received from her family
d. Her blood pressure cuff
6. A 69-year-old retired army general develops pneumonia after his diagnosis of chronic lymphocytic leukemia. The organism isolated in his sputum culture is an oxidase-positive, wrinkled, non-lactose fermenter with a musty odor that is arginine positive. He probably acquired this organism from
a. aerosols of soil and water while serving in Vietnam.
b. his pet horse.
c. the hospital environment.
d. his normal upper respiratory flora.
8. Hugh-Leifson oxidation-fermentation (OF) medium differs from carbohydrate medium used to identify Enterobacteriaceae by all of the following characteristics except
a. brom thymol blue is used as the pH indicator.
b. a control tube is not required for OF medium.
c. there is a higher percentage of carbohydrate present in OF medium.
d. there is a lower concentration of protein present in OF medium.
9. An oxidase-positive, wrinkled, non-lactose fermenting colony is suspicious for
a. the organism that causes glanders.
b. an individual with cystic fibrosis.
c. a potential bioterrorism agent.
d. a common antibiotic-resistant nosocomial organism.
10. The isolation of an extremely mucoid, oxidase-positive, non-lactose fermenter from the lower respiratory tract usually correlates with the clinical diagnosis of
a. melioidosis.
b. nothingâit is an environmental contaminant.
c. glanders.
d. cystic fibrosis.
