The Answers will show with explanantions of how to calculate the answer after you complete and submit. This is a 12 question exam like the real thing, where you will have 12 questions in each of the 5 sections for a total of 60 questions. So if you want to check your timing, you should be able to do this exam in approximately 10 minutes, because Physiology is less time consuming than Physics or RDP so being able to do this one fairly quickly will allow you more time in the other more time consuming sections.

Diving Physiology Quiz

1. When breathing against a poorly adjusted regulator your breathing may become rapid and shallow as a result of?

2. After just a short time underwater two divers surface complaining of headache, nausea and narrowing vision. They are probably suffering from?

3. A forceful valsalva (equalisation) may rupture?

4. Shallow water blackout can occur during free diving/breath hold diving due to?

5. Which of the following is not a possible indication of an oncoming Oxygen toxicity convulsion?

6. Which of the following is the most serious lung over expansion injury?

7. A diver complains of fatigue, tingling and a red rash on their arms legs and torso after a dive. This is most likely caused by?

8. Carbon Monoxide poisoning is caused by carbon monoxide bonding more readily with the _____ in the blood than oxygen does?

9. After someone has suffered from a near drowning but now say they feel fine you should?

10. Cigarette smoking before a dive affects oxygen delivery to the cells because cigarette smoke contains?

11. A diver suffering nitrogen narcosis may experience?

12. Scuba tanks are not filled with pure Oxygen because?