What health hazard is presented by electrical current flowing through the body?
It may cause injury by heating tissue
While this answer is correct in that electrical current can indeed cause injury by heating tissue, it is not the comprehensive answer the question seeks.
It may disrupt the electrical functions of cells
This answer is correct because electrical current can disrupt the electrical functions of cells, interfering with the normal operations of vital organs like the heart; however, it is only a part of the larger picture.
It may cause involuntary muscle contractions
This answer is correct in that electrical current can trigger involuntary muscle contractions, which can be dangerous by itself, but it does not encompass all the health hazards.
All these choices are correct
This is the correct answer because it acknowledges that electrical current can cause a combination of heating tissue, disrupting cell functions, and causing involuntary muscle contractions, representing a comprehensive understanding of the hazards.
Explanation
Understanding the health hazards presented by electrical current flowing through the body is crucial for amateur radio operators and anyone working with electrical equipment. The human body can be seriously affected by electrical currents, leading to various health issues. This question emphasizes the importance of recognizing multiple potential hazards related to electrical current. Injuries caused by electrical current can occur in several ways, each with potentially severe consequences. The correct answer, ‘All these choices are correct,’ highlights that the risks are multifaceted and can include heating of tissues, disruption of cellular electrical functions, and involuntary muscle contractions. Awareness of these risks is essential for maintaining safety protocols and preventing electrical accidents.
T0A02 2022-2026