OCR General Certificate of Secondary Education (GCSE) Biology Practice Exam

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Get ready for the OCR GCSE Biology exam with our comprehensive quiz, featuring flashcards and multiple choice questions. Understand the exam format, key topics, and effective study strategies to excel.

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What effect does alcohol have as a depressant?

Increases muscle tension
Increases blood pressure
Reduces pain
Increases anxiety

The correct answer is: Reduces pain

Alcohol acts as a depressant primarily by slowing down the central nervous system. This leads to various physiological and psychological effects. One of these effects is the reduction of pain perception, which occurs because alcohol can enhance the activity of neurotransmitters that suppress pain. By doing this, individuals may feel a numbing effect, allowing for temporary relief from physical discomfort. This pain-reducing property is one reason why alcohol has historically been used in some cultures for medicinal purposes. However, it is essential to note that while alcohol may provide short-term relief from pain, it does not address the underlying causes of pain and can lead to long-term health issues if consumed excessively.