Term
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Definition
• Operating in extreme hot or cold weather conditions.
• Eye strain from hours of looking through sea-spray blurred windshields.
• The effort of holding on and maintaining balance.
• Stress.
• Exposure to noise.
• Exposure to the sun.
• Poor physical conditioning.
• Lack of sleep.
• Boredom. |
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Term
| Crew Responsibility For Fatigue |
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Definition
| Crewmembers must watch each other’s condition to prevent excessive fatigue from taking its toll |
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Term
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Definition
• Inability to focus or concentrate/narrowed attention span.
• Mental confusion or judgment error.
• Decreased coordination of motor skills and sensory ability (hearing, seeing).
• Increased irritability.
• Decreased performance.
• Decreased concern for safety. |
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Term
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Definition
• Adequate rest.
• Appropriate dress for weather conditions.
• Rotate crew duties.
• Provide food and refreshments suitable for conditions.
• Observe other crewmembers for signs of fatigue. |
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Term
| Environmental Conditions That Cause Fatigue |
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Definition
• Motion sickness.
• Glare from the sun.
• Wind and rough sea conditions.
• Rain or snow.
• Vibration (boat engine). |
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Term
| Deffinition of Motion Sickness |
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Definition
| Motion sickness, or seasickness, is nausea and/or vomiting caused by an imbalance between visual images and the portion of the middle ear that senses motion. |
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Term
| Causes of Motion Sickness |
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Definition
| Mental and physical stress, as well as the rolling or pitching motion of a boat, contributes to motion sickness |
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Term
| Symptoms of Motion Sickness |
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Definition
• Nausea and vomiting.
• Increased salivation.
• Unusual paleness.
• Sweating.
• Drowsiness.
• Overall weakness.
• Stomach discomfort. |
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Term
| Prevention of Motion Sickness |
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Definition
• Stay out of confined spaces.
• Stay above deck in the fresh air.
• Avoid concentrating on the movement of the boat by looking out over the water toward the horizon or shoreline.
• Avoid smoking |
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Term
| Medication Restrictions For Motion Sickness |
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Definition
• Without medical supervision.
• Within 12 hours of alcohol consumption.
• To pregnant crewmembers. |
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