Cytology & Infectious Agents

Question 1

true or false:
most bacterial rods are gram -

Answer 1

true

Question 2

in what cells would you expect to see bacteria ingested into

Answer 2

neutrophils

Question 3

what are the most common cocci seen in a clinic

Answer 3

staphlococcus
streptococcus

Question 4

how can you tell bacteria presence on a slide from cell precipitated protein

Answer 4

bacteria are:
uniform in size and shape
stained darker

Question 5

what are the 3 most important/ common filamentous bacteria

Answer 5

actinomyces
norcardia
anaerobes

Question 6

true or false:
filamentous bacteria are hard to culture

Answer 6

true

Question 7

what are some very common diseases associated with non-staining mycobacteria

Answer 7

tuberculosis
M. bovis
Johne’s disease

Question 8

which bacteria are normally gram +

Answer 8

cocci

Question 9

what is commonly seen in the animal that has a filamentous bacterial rods infection

Answer 9

pyothorax / pus in chest

Question 10

what bacterial spp are non-staining rods

Answer 10

mycobacterium spp

Question 11

true or false;
region/location has no impact on fungal infection rates

Answer 11

false

Question 12

true or false:
hyphae organisms can easily be identified via cytology

Answer 12

false
they cannot be ID by morphology

Question 13

what are the common systemic yeast infections

Answer 13

histoplasma
sporothrix
blastomyces
cryptococcus
coccidioides

Question 14

what are the most common cutaneous fungal diseases

Answer 14

malassezia
dermatophytes

Question 15

what bacterial infection should you be considering with a large breed dog, GI issues, swims in pond water

Answer 15

pitheium

Question 16

what must be done to ID fungal species

Answer 16

culture

Question 17

in what type of patients would you expect to see more fungal infections due to the nature of the organisms

Answer 17

immunosuppressed patients
opportunistic pathogens

Question 18

which species of fungus do not stain easily or at all

Answer 18

pythium
zygomycetes

Question 19

what are the smallest systemic fungal yeasts

Answer 19

histoplasma
spirothrix

Question 20

what are the medium sized systemic fungal yeasts

Answer 20

blastocytes
crytococcus

Question 21

what are the largest species of the systemic fungal organisms

Answer 21

coccidioides

Question 22

what cells would be commonly seen on a cytology of a fungal infection

Answer 22

multinucleated giant macrophages
neutrophils

Question 23

what can be seen as big, blue & broad-based on a cytology

Answer 23

blastocytes

Question 24

what can be seen as pink with a clear capsule and narrow based on a cytology

Answer 24

cryptococcus

Question 25

which fungal species is the only one to have an antibody test used commonly to diagnose

Answer 25

coccidioides