Quiz - Physiology - Tight Neck Seal or Hood

If a diver wears a suit with an excessively tight neck seal or hood, he/she may risk unconsciousness

  • a. excessive CO2 levels / shallow water blackout

  • b. low CO2 levels / hypocapnia

  • c. low O2 levels / hypoxemia

  • d. reduces blood supply to the brain / carotid sinus reflex


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