An irregular breathing pattern (skip breathing) while diving will possibly cause:

An irregular breathing pattern (skip breathing) while diving will possibly cause:

• A. carbon dioxide deficiency
• B. carbon dioxide excess
• C. oxygen toxicity
• D. nitrogen narcosis

Answer: (B)

Irregular breathing, such as skipping breaths, reduces ventilation and prevents the body from flushing out carbon dioxide. Metabolic CO2 keeps being produced, so it accumulates in the blood, leading to carbon dioxide excess (hypercapnia). This buildup can affect mental function and dive safety. Oxygen toxicity and nitrogen narcosis are related to gas pressures at depth, not to whether you briefly skip breaths, and carbon dioxide deficiency would result from excessive ventilation rather than skipped breathing.

Irregular breathing, such as skipping breaths, reduces ventilation and prevents the body from flushing out carbon dioxide. Metabolic CO2 keeps being produced, so it accumulates in the blood, leading to carbon dioxide excess (hypercapnia). This buildup can affect mental function and dive safety. Oxygen toxicity and nitrogen narcosis are related to gas pressures at depth, not to whether you briefly skip breaths, and carbon dioxide deficiency would result from excessive ventilation rather than skipped breathing.