lecture 2 exam 1

Question 1

Name of an animal post mortum

Answer 1

necropsy

Question 2

True or false

Concrete • Dirt area in the sun • Use a straw bed? are areas to avoid when doing a necropsy in the field?

Answer 2

false these are preferred areas you want to avoid Areas accessible to animals • Areas which may contain food • High traffic areas • Areas difficult to disinfect

Question 3

what are the 5 types of disposal and when should you decide how to dispose of a carcass?

Answer 3

Burial • Renderer • Transport to a disposal site • Incineration • Composting

Before the PM

Question 4

Name the main routes of transmission to the vet during a PM

Answer 4

• Oral • Splash into eye • Aerosolization • Percutaneous (sharps injury)

Question 5

What BSL guidelines do you use during a normal PM?

Answer 5

BSL 2

Question 6

Answer 6

B, C, D

Question 7

Equipment needed for a normal PM

Answer 7

Question 8

True or false

YOu should inspect premises for toxins, and examine other animals for clinical signs before you start a PM

Answer 8

true

Question 9

What is the order of events in a PM

Answer 9

External examination •

Open the body cavities •

Collect microbiologic samples •

Remove and dissect organs •

Collect histologic samples

Question 10

After examing outside of carcass what is the first cut you make?

Answer 10

cut from mandible to pubic symphisis and reflect limbs

Question 11

True or false

Open the thoracic cavity by reflecting ribs before you open the abdominal cavity

Answer 11

false

open abdomnial cavity first

Question 12

Why do you collect microbio samples first?

Answer 12

to prevent contamination from bacteria/other body fluids distorting samples

Question 13

True or false

Microbio samples collected aseptically?

Answer 13

true

Question 14

What micribio sample do you collect last?

Answer 14

intestines

except if GI is suspected then do it first because GI breaks down the fastes of any other body system due to natural flora of gut

Question 15

What do you do with organs during a PM?

Answer 15

dissect and remove

cut through lumen to investigate inside of organs where pathology begins (mucosal layer) and loaf the organs

Question 16

True or false

In GI sampling only look at the tissue to come up with a dx

Answer 16

false

also look at ingesta, foreign material, plants, toxins, feed quality etc

Question 17

What color top do you use fo storing samples intended for culture?

Answer 17

red top

not purple top because it has EDTA which is bacteriocidal use these for cytology

Question 18

What samples should be taken for tox studies?

Answer 18

urine (kidney), fat, stomach contents, liver

Question 19

Where is the best place to sample tissue for pathology findings

Answer 19

at edge of lesion and healthy tissue where teh changes are happening

Question 20

What is the ratio of sample to formalin

Answer 20

1:10

Question 21

What is the thickest a sample should be for the best fixing in formalin soln? Why?

Answer 21

1 cm because it can only penetrate 1/2 cm into tissue sample

Question 22

true or false

Capsulated organs (ex kidney) are fixed properly with or without bisecting the organ

Answer 22

false need to bisect because formalin can’t penetrate capsule

Question 23

Fixed properly?

Answer 23

hell no

Question 24

True or false

Complete your necropsy forms while in bed the night after doing the necropsy

Answer 24

no do them before you leave