Health Quiz Questions And Answers
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What does it take to keep our mind alert?
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Energy
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Protein
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Carbon dioxide
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Vitamins
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About This Quiz
Understanding health is essential for leading a better life. The Health Quiz Questions and Answers are designed to test and expand your knowledge about health, wellness, and essential medical facts. Covering a wide range of topics such as nutrition, exercise, mental health, and disease prevention, this academic quiz is suitable for learners, educators, and anyone eager to improve their health See moreliteracy.
Each question in the quiz challenges you to think critically about health-related concepts and practices. From identifying healthy habits to understanding common illnesses and their symptoms, this quiz encourages thoughtful reflection and informed decision-making. Take the health quiz with answers seriously to assess your knowledge and discover areas where you can improve.
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- 2.
Nutrients are substances found in food that help your body grow and develop.
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True
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False
Correct Answer
A. TrueExplanation
Nutrients are indeed substances that are found in food and play a vital role in the growth and development of our bodies. They provide energy, support bodily functions, and help in the repair and maintenance of tissues. Therefore, the statement "Nutrients are substances that are found in food, and that help your body grow and develop" is true.Rate this question:
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- 3.
Your skin, nails, hair, muscles, internal organs, and even your brain contain no protein.
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True
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False
Correct Answer
A. FalseExplanation
This statement is false. Protein is vital for the structure and function of your skin, nails, hair, muscles, internal organs, and brain. It plays a crucial role in tissue repair, growth, and maintaining cellular functions, highlighting its importance in overall body health.Rate this question:
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- 4.
What is the other name for Vitamin D?
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Sleepy vitamin
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The "dorky" vitamin
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The sunshine vitamin
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Dark vitamin
Correct Answer
A. The sunshine vitaminExplanation
Vitamin D is sometimes called the "sunshine vitamin" because our bodies can produce it when our skin is exposed to sunlight. Sunlight triggers a chemical reaction in the skin that converts a form of cholesterol into vitamin D. This vitamin plays a crucial role in maintaining healthy bones and teeth, supporting immune function, and regulating mood. It is called the "sunshine vitamin" because sunlight is the primary source of vitamin D for most people.Rate this question:
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- 5.
What is the ability to do work called?
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Digestive system
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Digestive juices
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Exercise
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Energy
Correct Answer
A. EnergyExplanation
Energy is the ability to do work. It is the capacity of a system to perform tasks or make things happen. It can exist in various forms such as kinetic, potential, thermal, chemical, or electrical energy. Energy is essential for all living organisms to carry out their daily activities and for the functioning of various systems in the body. It is obtained through the consumption of food and is converted into usable energy through processes like digestion and metabolism. Without energy, no work can be done, and life processes would cease to exist.Rate this question:
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- 6.
What is the name of the parts of the body that work together to change food into a form the body can use?
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Digestive system
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Digestive juices
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Esophagus
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Nervous system
Correct Answer
A. Digestive systemExplanation
The digestive system is responsible for breaking down food into nutrients that the body can absorb and use. This includes organs like the mouth, stomach, and intestines, along with digestive juices that help break down food. The esophagus, while important for transporting food, does not change food into usable nutrients.Rate this question:
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- 7.
What are the substances that are found in food that help your body grow and develop?
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Protein
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Fiber
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Calcium
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Nutrients
Correct Answer
A. NutrientsExplanation
Nutrients are substances found in food that are essential for the growth and development of the body. They provide energy, support metabolism, and help in the maintenance and repair of tissues. Nutrients include carbohydrates, proteins, fats, vitamins, and minerals. While protein is also a nutrient, the question is asking for the general term for substances found in food that aid in growth and development, which is nutrients. Fiber and calcium are specific types of nutrients, but the correct answer encompasses all types of nutrients.Rate this question:
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- 8.
Food that contains sugar and starch. Most of your energy comes from this kind of food. Foods with natural sugar or starch in them are the best source of?
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Cookies
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Starches
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Carbohydrates
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Vitamins
Correct Answer
A. CarbohydratesExplanation
Carbohydrates are the macronutrients primarily responsible for providing energy to the body. They are found in foods that contain sugars and starches. While cookies contain carbohydrates, they often come with added sugars and fats, which are not the healthiest sources. Natural sugars and starches, like those found in fruits, vegetables, and whole grains, are the best sources of carbohydrates. Vitamins, on the other hand, are micronutrients and do not provide energy.Rate this question:
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- 9.
Which of the following vitamins is essential for the absorption of calcium and phosphorus in the body, and a deficiency of it can lead to rickets in children?
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Vitamin A
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Vitamin B12
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Vitamin D
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Vitamin K
Correct Answer
A. Vitamin DExplanation
Vitamin D is essential for the absorption of calcium and phosphorus in the body, which are critical for maintaining healthy bones and teeth. A deficiency in Vitamin D can lead to rickets in children, a condition characterized by softening and weakening of the bones. While Vitamin A is important for vision and immune function, Vitamin B12 for nerve function and red blood cell formation, and Vitamin K for blood clotting, it is Vitamin D that directly affects calcium and phosphorus metabolism.Rate this question:
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- 10.
How many servings from the fruit group should you eat daily?
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0-1 serving
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2-4 servings
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4-6 servings
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6-8 servings
Correct Answer
A. 2-4 servingsExplanation
The recommended daily servings from the fruit group is 2-4 servings. This is because fruits are a good source of essential vitamins, minerals, and dietary fiber. Consuming 2-4 servings of fruits daily helps to maintain a balanced diet and provides the body with necessary nutrients. It is important to include a variety of fruits in one's diet to ensure a wide range of nutrients are obtained.Rate this question:
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- 11.
How many chambers are in the heart?
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2
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3
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4
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5
Correct Answer
A. 4Explanation
The heart has four chambers, which are the left and right atria, and the left and right ventricles. The atria receive blood from the body and lungs, while the ventricles pump blood out to the body and lungs. The separation of the chambers ensures efficient blood flow and prevents mixing of oxygenated and deoxygenated blood. Therefore, the correct answer is 4.Rate this question:
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- 12.
What is physical health?
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How fit you are and how healthy your body is.
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The pH in your body that ties into your emotions
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How focused you are on other people's bodies.
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None of the Above
Correct Answer
A. How fit you are and how healthy your body is.Explanation
The correct answer is "How fit you are and how healthy your body is." This option accurately defines physical health as the overall state of one's body in terms of fitness and well-being. It encompasses factors such as strength, endurance, flexibility, and the absence of illness or disease. This definition aligns with the commonly understood concept of physical health and its importance in maintaining an active and fulfilling lifestyle.Rate this question:
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- 13.
Breathing in what causes severe asthma reactions in children?
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Secondhand smoke
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Carbon dioxide
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Oxygen
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Air
Correct Answer
A. Secondhand smokeExplanation
Children with asthma often experience more severe reactions when they breathe in secondhand smoke. Secondhand smoke contains harmful chemicals and irritants that can trigger asthma symptoms and exacerbate existing respiratory issues. The smoke can irritate the airways, causing inflammation and constriction, leading to difficulty breathing, wheezing, coughing, and increased mucus production. Therefore, exposure to secondhand smoke should be avoided to protect the health and well-being of children with asthma.Rate this question:
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- 14.
What is the thick, oily, dark, liquid that forms when tobacco burns?
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Tar
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Nicotine
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Carbon
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Coal
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Coal
Correct Answer
A. TarExplanation
Tar is the correct answer because it is a thick, oily, dark liquid that is produced when tobacco burns. Tar is a byproduct of the combustion process and is known for its sticky and toxic properties. It can accumulate in the lungs of smokers and has been linked to various health problems, including lung cancer and respiratory issues.Rate this question:
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- 15.
What are white blood cells that attack pathogens called?
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Neurocytes
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Lymphocytes
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Carcinogens
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None of these
Correct Answer
A. LymphocytesExplanation
Lymphocytes are a type of white blood cells that play a crucial role in the immune system. They are responsible for identifying and attacking pathogens, such as bacteria and viruses, to protect the body from infections. Neurocytes are not white blood cells and do not have a role in fighting pathogens. Carcinogens are substances that can cause cancer and are not related to white blood cells or immune response. Therefore, the correct answer is lymphocytes.Rate this question:
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- 16.
What is the main function of red blood cells?
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Carry oxygen
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Fight infections
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Control blood pressure
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Produce insulin
Correct Answer
A. Carry oxygenExplanation
Red blood cells are crucial for transporting oxygen throughout the body. The process begins when red blood cells, containing hemoglobin, absorb oxygen in the lungs. This oxygen is then carried through the bloodstream and delivered to tissues and organs. In exchange, carbon dioxide, a waste product of metabolism, is carried back to the lungs to be exhaled. A reduction in red blood cells or hemoglobin can impair oxygen delivery, leading to conditions like anemia. The efficiency of this system is essential for cellular respiration, which produces the energy required for bodily functions and maintaining homeostasis.Rate this question:
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- 17.
Which nutrient is essential for maintaining strong bones?
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Calcium
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Iron
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Vitamin C
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Potassium
Correct Answer
A. CalciumExplanation
Calcium is a vital nutrient for bone health, contributing to their structure and strength. Approximately 99% of the body’s calcium is stored in bones and teeth, where it plays a key role in maintaining their density and mineralization. The body uses calcium to regulate other functions, including muscle contraction and nerve signaling. A deficiency in calcium can lead to weakened bones, increasing the risk of fractures and conditions like osteoporosis. To maintain adequate bone health, calcium intake should be balanced with vitamin D, which helps the body absorb calcium more effectively from the digestive system.Rate this question:
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- 18.
What does BMI stand for in health assessments?
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Body Mass Index
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Blood Mass Indicator
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Balanced Metabolic Intake
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Body Muscle Inflammation
Correct Answer
A. Body Mass IndexExplanation
BMI, or Body Mass Index, is a tool used to assess an individual's body weight in relation to their height. It is calculated by dividing a person's weight (in kilograms) by the square of their height (in meters). The formula is: BMI = weight (kg) / height² (m²). The result categorizes the individual into various weight ranges: underweight, normal weight, overweight, or obese. While BMI provides a general indication of health, it doesn't account for variations in muscle mass or fat distribution, making it a basic but useful screening tool for assessing weight-related health risks.Rate this question:
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- 19.
Which of the following is a benefit of regular exercise?
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Improves sleep
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Causes dehydration
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Increases anxiety
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Reduces brain function
Correct Answer
A. Improves sleepExplanation
Regular exercise benefits physical and mental health in many ways. One major benefit is its ability to improve sleep quality. Exercise increases the production of endorphins, which are natural mood boosters, and helps regulate circadian rhythms, making it easier to fall asleep and experience deeper rest. Exercise also reduces the levels of cortisol, a stress hormone, which can interfere with sleep. Furthermore, physical activity promotes the growth of new brain cells, improving cognitive function. Over time, these effects contribute to overall better health, increasing energy levels and reducing the risk of sleep disorders.Rate this question:
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- 20.
What is the leading cause of heart disease?
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Poor diet
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Excessive exercise
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Lack of sleep
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Low stress levels
Correct Answer
A. Poor dietExplanation
Poor diet is a leading cause of heart disease. A diet high in saturated fats, trans fats, salt, and sugar contributes to the buildup of plaque in the arteries, a condition known as atherosclerosis. This plaque restricts blood flow and increases the risk of heart attacks and strokes. Consuming foods rich in antioxidants, fiber, and healthy fats can improve heart health by reducing inflammation and cholesterol levels. Additionally, maintaining a healthy weight through balanced nutrition helps lower the strain on the heart. A well-rounded diet, combined with regular physical activity, is key in preventing heart disease.Rate this question:
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- 21.
What is the primary function of the immune system?
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To regulate metabolism
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To defend against infections
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To produce hormones
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To aid digestion
Correct Answer
A. To defend against infectionsExplanation
The immune system defends the body against harmful pathogens such as bacteria, viruses, and fungi. White blood cells, specifically lymphocytes, play a central role in this defense by recognizing and attacking foreign invaders. When a pathogen enters the body, the immune system activates a series of responses, including the production of antibodies to neutralize the threat. The system also involves the spleen, bone marrow, and lymph nodes. A well-functioning immune system is essential for preventing infections, but it must be balanced to avoid overreaction, which can lead to autoimmune disorders where the body attacks itself.Rate this question:
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- 22.
Which vitamin is essential for skin health and healing?
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Vitamin E
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Vitamin A
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Vitamin C
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Vitamin D
Correct Answer
A. Vitamin CExplanation
Vitamin C, also known as ascorbic acid, plays an essential role in maintaining skin health and promoting healing. It is involved in the synthesis of collagen, a protein that helps wounds heal and supports the skin’s structure. Vitamin C also serves as a powerful antioxidant, protecting skin cells from damage caused by free radicals, which can accelerate aging and skin diseases. Additionally, it helps repair tissues, supports the immune system, and improves iron absorption. A deficiency in vitamin C can lead to scurvy, characterized by skin problems, weakened immunity, and delayed wound healing.Rate this question:
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- 23.
How many calories are in a gram of protein?
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4
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7
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9
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2
Correct Answer
A. 4Explanation
Carbohydrates are the body’s primary energy source, especially for the brain and muscles during physical activity. When consumed, carbohydrates are broken down into glucose, which is used by the body for immediate energy or stored as glycogen in muscles and the liver for later use. Foods like fruits, vegetables, grains, and legumes provide complex carbohydrates, which release energy more steadily compared to simple sugars. Carbohydrates provide 4 calories per gram, making them an essential macronutrient for fueling daily activities and maintaining healthy blood sugar levels. An insufficient intake of carbohydrates can lead to energy depletion and fatigue.Rate this question:
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- 24.
Which organ is primarily responsible for filtering toxins from the blood?
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Liver
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Heart
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Lungs
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Kidneys
Correct Answer
A. LiverExplanation
The liver plays a central role in detoxifying the body by filtering toxins from the blood. It processes substances absorbed from the digestive tract, breaking them down and removing harmful compounds. It also metabolizes drugs and alcohol, converting them into less harmful substances or preparing them for excretion. Additionally, the liver produces bile, which aids in the digestion of fats. If the liver becomes overburdened or damaged, such as from excessive alcohol consumption or chronic diseases, its detoxification capacity can be impaired, leading to the accumulation of toxins in the body and a variety of health issues.Rate this question:
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- 25.
What does dehydration do to the body?
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Increases body temperature
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Reduces energy levels
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Strengthens the immune system
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All of the above
Correct Answer
A. Reduces energy levelsExplanation
Dehydration significantly impacts the body's ability to function. When the body lacks sufficient water, it can lead to fatigue, dizziness, and a reduction in mental clarity. Dehydration can also affect physical performance by reducing the body’s ability to regulate temperature and maintain blood pressure. Water is crucial for transporting nutrients, removing waste products, and cushioning joints. In severe cases, dehydration can cause organ failure. To prevent dehydration, it is essential to drink adequate fluids throughout the day, especially during physical activity or in hot climates, where the body loses more water through sweat.Rate this question:
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Quiz Review Timeline (Updated): Nov 17, 2024 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Nov 17, 2024Quiz Edited by
ProProfs Editorial Team
Expert Reviewed by
Amanda Nwachukwu -
Apr 10, 2014Quiz Created by
Asset Chemist
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