How to properly wear an oxygen mask and hypoxia symptoms

The video discusses the deployment of oxygen masks during a loss of cabin pressure and highlights the importance of using them correctly. It explains the challenges of breathing at altitudes over 15,000 feet, where hypoxia can occur, leading to symptoms like nausea, dizziness, and mental confusion. Proper use of oxygen masks is crucial to prevent these effects.

What was the issue with some passengers' use of oxygen masks during the cabin pressure loss?

• They were wearing them incorrectly.

• They were sharing masks with others.

• They were wearing them on their heads.

• They were not wearing them at all.

What is the first step to correctly use an oxygen mask?

• Pull down on the mask to extend the tubing.

• Place it over your eyes.

• Attach it to your seatbelt.

• Inflate the mask before use.

Why is it important to breathe regularly when using an oxygen mask?

• To avoid hyperventilation.

• To ensure the mask stays in place.

• To prevent the mask from fogging up.

• To maintain proper oxygen levels in the blood.

What condition can develop at altitudes over 15,000 feet due to lack of oxygen?

• Hypertension

• Hypoxia

• Hyperthermia

• Hypoglycemia

Which of the following is NOT a symptom of hypoxia?

• Increased appetite

• Mental confusion

• Numbness

• Tunnel vision