How do you avoid dead air space problems?

What is the name of the lung overexpansion injury that occurs when a lung collapses?

a) pneumothorax
b) subcutaneous emphysema
c) air embolism
d) convulsion

If a diver complains of DCI symptoms immediately on reaching the surface, what is the most likely cause? 

How do skin divers prepare for a breath hold dive? 

What is the blanket term that covers both lung overexpansion injuries and Decompression sickness?

What is the first aid procedure for a lung overexpansion injury?

Why do you feel discomfort in your ears while descending?

What symptoms are likely if you were to rupture your ear drum?

What part of the ear is most affected while descending?

 If you are having difficulty with ear equalization, and you blow too hard against a pinched nose
you could cause what injury?

I hope that you enjoyed the PADI IDC Revision – Physiology. The questions that you found on this page are very common questions used on most PADI exams.
For more help, sign up for my Distance Learning Preparation course, and I’ll help you to get right up to speed in both PADI dive Theory, and PADI Standards.

There are some more PADI IDC Revision – Physiology questions here:

If a diver had a tight neck seal, what would be the likely cause of light headedness?

What is a pressure related injury called? ( It can happen on both ascent and descent )  

On a hot day, a diver in a full suit is complaining of nausea. He is sweating and has cool, clammy skin. Is he suffering from Heat Stroke..  OR  Heat Exhaustion?

What is the name given to tiny bubbles of Nitrogen that can found in a divers blood after a dive, although no symptoms can be found ?