1
Q
What are the components of an endoscope
A
- Tube (rigid or flexible)
- Light source
- Lenses and video
2
Q
How should an otoscope be cleaned?
A
- Clean with glutaraldehyde or chlorhexidine
3
Q
How does optical fibres achieve total internal reflection?
A
- Light is completely reflected back within the high-quality glass due to cladding
4
Q
What are the 2 types of endoscopes?
A
- Rigid
- Flexible
5
Q
What are the indications of endoscopy?
A
- Visualising lining of tissues for diagnosis e.g., neoplasia, inflammation, ulceration
- Assess normal function e.g., movement of vocal cords
- Biopsy/lavage/cytology
- Removal of foreign body/cartilage
6
Q
What are the indications for bronchoscopy?
A
- Chronic cough
- Examine structure of trachea for collapse, trauma, masses, FB and inflammation e.g., pneumonia and bronchitis
