1. Fill in the blanks:

The pressure of gas in full oxygen cylinder is psi.

The mask which is used for ventilating paediatric patient is called

The flow rate at emergency oxygen flush is

Full form of AMBU is

Entonox is a mixture of

The modification of Ayre's T piece is called

N20 is stored in the cylinder as

The size of the sodalime granules used in anaesthesia is in the range of mesh.

The tube which is used during surgery on the larynx is

Pethik test is used for checking

2. State whether the statements are true or false

Magill's circuit has a valve at the patient end.

Combitube is suitable for difficult intubation.

100 gm of sodalime can absorb 36 litres of CO2,

The mask at which an endotracheal tube is fixed at the teeth level in an adult is 30 cm.

Guedel's airway is a nasal airway.

Laryngeal mask airway ensures the safety against aspiration.

Increased pollution of the OT atmosphere is one of the disadvantage of the circle system.

An ideal breathing system should not have more dead space.

E type cylinders are used in Anaesthesia machine.

In Bourden pressure guage, if the indicator is circular, the lowest pressure indicator must be between 9 O'clock and 12 O'clock position on a clock face.

Answer any three questions. Each question carries 10 marks.

3. Safety features of anaesthesia machine.

4. Draw a labelled diagram of LMA (Laryngeal Mask Airway) Mention the' advantages and disadvantages of LMA over endotracheal tube.

5. Write in detail about CO2 absorbents. What are the advantages and disadvantages of the circle system?

6. Classify Vapourisers. Explain concentration calibrated vapouriser.

7. How will you check the anaesthesia machine before use?

8. Write short notes on any five of the following:

Yoke assembly

AMBU

EMO vapouriser.

Magill's circuit.

Hypoxia prevention safety devices in Anaesthesia machine.

Essential features of an ideal breathing system.

Nasopharyngeal airway.

Double lumen tube.