Edexcel Biology A Level: Lifestyle, Health, and Risks

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Questions and Answers

What is the impact of a high level of saturated fats in the diet?

  • Increased risk of heart diseases (correct)
  • Improved immune system function
  • Enhanced cognitive abilities
  • Reduced blood pressure

How does regular exercise contribute to health?

  • Increases metabolism and helps control body weight (correct)
  • Improves liver function
  • Causes high blood pressure
  • Reduces the risk of vitamin deficiency

What role does alcohol play in health and risks?

  • Enhances lung capacity
  • Reduces the risk of cancer
  • Increased risk of liver damage (correct)
  • Improves memory and cognitive function

How does smoking impact health?

<p>Increases the risk of lung cancer and respiratory diseases (C)</p> Signup and view all the answers

What is the effect of a balanced diet on health?

<p>Ensures intake of essential nutrients for optimal body function (B)</p> Signup and view all the answers

What is the primary function of carbohydrates in the human body?

<p>To provide energy storage (D)</p> Signup and view all the answers

Which of the following is a key role of proteins in the body?

<p>Facilitating chemical reactions through enzymes (A)</p> Signup and view all the answers

Which of the following is a crucial function of fats in the human body?

<p>Protecting vital structures from injury (A)</p> Signup and view all the answers

What is the main difference between macronutrients and micronutrients?

<p>Macronutrients are needed in larger amounts, while micronutrients are needed in smaller amounts (A)</p> Signup and view all the answers

Which type of carbohydrate is considered the healthiest choice?

<p>Complex carbohydrates like whole grains, fruits, and vegetables (B)</p> Signup and view all the answers

How do proteins contribute to maintaining the structural integrity of cells?

<p>By serving as the building blocks for cell structures (C)</p> Signup and view all the answers

Which of the following nutrients are essential for brain development but cannot be produced by the body?

<p>Essential fatty acids (C)</p> Signup and view all the answers

What condition is associated with the buildup of fatty deposits within arteries, narrowing them and restricting blood flow?

<p>Atherosclerosis (D)</p> Signup and view all the answers

Which of the following dietary factors increases the risk of developing hypertension?

<p>High intake of sodium (C)</p> Signup and view all the answers

Which of the following dietary patterns is most likely to support optimal health outcomes?

<p>A balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats (A)</p> Signup and view all the answers

What is the primary reason for making informed lifestyle choices about nutrition?

<p>To prevent chronic diseases and ensure overall wellbeing (C)</p> Signup and view all the answers

Which of the following macronutrients are essential for brain development and must be obtained through diet?

<p>Essential fatty acids (B)</p> Signup and view all the answers

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Edexcel-Biology-A-Level-Lifestyle-Health-and-Risks

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