Until what age are babies obligatory nose breathers?
foundationmcq
Compared to adults, children's airways are:
foundationmcq
Why must children increase their respiratory rate rather than tidal volume to increase minute ventilation?
foundationmcq
Why are children more likely to have a respiratory arrest than a cardiac arrest?
foundationtrue/false
True or False: During normal breathing, the diaphragm descends approximately 10cm.
intermediatemcq
What is the difference between dynamic and static compliance?
foundationshort/answer
List five factors that affect diffusion of gases across the alveolar membrane.
How confident are you?
intermediateshort/answer
Explain Poiseuille's Law in relation to airway resistance and explain why, despite individual bronchioles having high resistance, total peripheral airway resistance is low.
How confident are you?
intermediatemcq
What is the relationship between elasticity and compliance in the lungs?
foundationtrue/false
True or False: CO2 has a higher water solubility than O2 and penetrates membranes 24 times faster.
intermediatemcq
In pressure-controlled ventilation, what is the dependent variable?
intermediatemcq
What is a key disadvantage of volume-controlled ventilation compared to pressure-controlled?
advancedmcq
In ventilator triggering, what is the difference between pressure triggering and flow triggering?
intermediatemcq
What does SIMV stand for and how does it differ from fully mandatory ventilation?
intermediatemcq
How is CO2 elimination primarily controlled in mechanical ventilation?
intermediatemcq
To improve oxygenation in a ventilated patient, what are the two main strategies?
intermediatetrue/false
True or False: Increasing PEEP can decrease venous return and cardiac output.
intermediateshort/answer
Explain why humidification is essential in mechanically ventilated patients.