Airway

Question 1

Anaerobic respiration is a disadvantage, why?

Answer 1

1. Low amount of ATP
2. Production of Lactic Acid

Question 2

Why PH change is bad?

Answer 2

Bc it causes different ionization of the enzymes -> change in shape-> change in fnxn

Question 3

O2 sat in 1 dL of blood

Answer 3

20.1 mL/ dL of blood

Question 4

What are the oxygen reservoirs?

Answer 4

1. 75% saturated Hb in mixed venous blood
2. O2 in lung ( dead space , FRC)
3. O2 in cytoplasm ( neglected)

Question 5

Mitochondria becomes in danger when the pressure of O2 becomes:

Answer 5

< 3 mmHg

Question 6

What is the max pressure we can inflate and why?

Answer 6

20 cm H2O in order not to inflate the stomach :
1. Fear of regurgitation & aspiration
2. Distends diaphragm and not contracting

Question 7

What is the m/c cause of airway obstruction in comatosed pts

Answer 7

Losing muscle tone of the tongue and falling back against the pst. Pharyngeal wall

Question 8

What do we start with when seeing a comatosed pt?

Answer 8

Shouting at him and shaking him gently

Question 9

Give me 2 common coma causes

Answer 9

1. Pickwickian syndrome ( Obesity-hypo ventilation )
2. Morphin overdose

Question 10

How much is the diameter of the connectors?

Answer 10

15 mm

Question 11

Importance of Murphy’s eye:

Answer 11

Allow gas flow even if main opening is obstructed