legionella, mycoplasma, corynebacteria, and diptheria

Question 1

legionella gram + or -

Answer 1

-

Question 2

shape of legionella

Answer 2

rod

Question 3

where is legionella usually found in nature?

Answer 3

water of cooling towers, lives inside of amoeba or biofilm

Question 4

how many ppl get legionnaire’s disease each year in the US?

Answer 4

8-18 thousand

Question 5

typical vs atypical pneumonia:

Answer 5

typical - strep, haemophilus influenzae, moraxella catarrhalis, responds to penicillin or sulfonamides, lobar arrangement in X-rays
atypical - legionella, mycoplasma, chlamydia, no response to penicillin

Question 6

legionella incubation period

Answer 6

2-10 days

Question 7

why is mycobacteria resistant to penicillin and cephalosporins?

Answer 7

no cell wall

Question 8

what appearance do mycobacteria colonies have?

Answer 8

fried egg appearance

Question 9

mycobacteria gram + or -?

Answer 9

variable

Question 10

what percent of pneumonias are caused by mycobacteria?

Answer 10

15-50%

Question 11

what age is typical for mycoplasma?

Answer 11

school age through young adult