P28 - Respiratory Cytology Flashcards
1
Q
pre-sampling test for cytology (2)
A
- clotting function (sodium citrate)
- CBC
2
Q
sample collection for cytology in what tube
A
- EDTA
3
Q
sample collection for culture and sensitivity in what tube
A
- plain (sterilin) tubes
4
Q
nasal swabs are useful for what kind of discharge
A
- serous or purulent for direct smear
5
Q
what technique is useful in identifying fungal organisms (cryptococcus) in cats
A
- nasal swabs
6
Q
what results/test are useless after a nasal lavage (4)
A
- sediment smear - due to dilution
- protein assays - due to dilution
- TNCC - don’t know original concentration
- Culturing
7
Q
microscopic findings in normal nasal lavage (4)
A
- RBCs
- ciliated columnar epithelium
- macrophages
- normal bacteria (somonsiella)
8
Q
somonsiella
A
- normal bacteria in nasal tract
- thick with striations
9
Q
microscopic findings in infectious rhinitis (4)
A
- mixed inflammatory cells
- mucin
- microorganisms
- dysplastic changes
10
Q
during inflammation there is an increase in what type of cell
A
- goblet cells
11
Q
microscopic findings in non-infectious rhinitis (3)
A
- unresponsive to antibiotics
- foreign body
- neoplasia (non-deg neutrophils)
12
Q
tracheobronchial lavage (TBL)
A
- sterile saline or PBS introduced into lower trachea space
- samples lung, bronchi and trachea
13
Q
bronchoalveolar lavage (BAL)
A
- sterile saline or PBS introduced into bronchoalveolar space
14
Q
how to prevent oropharyngeal contamination
A
- transtracheal lavage
15
Q
microscopic finding in normal BAL or TBL (8)
A
- ciliated columnar epithelium
- simonsiella
- few neutrophils
- alveolar macrophages
- occasional goblet cells
- few lymphocytes
- eosinophils - healthy cats
- few mast cells
