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Chemistry and Health : Chemistry
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Practice Test
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Question 1 of 36
Which element is essential for the production of thyroid hormones?
Choose 1 answer
Iron
Iodine
Calcium
Zinc
Question 2 of 36
Which vitamin is synthesized by the body in response to sunlight?
Choose 1 answer
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
Question 3 of 36
What is the main function of antioxidants in the body?
Choose 1 answer
Enhance digestion
Reduce inflammation
Neutralize free radicals
Increase blood pressure
Question 4 of 36
Which mineral is important for bone health and is commonly found in dairy products?
Choose 1 answer
Magnesium
Iron
Calcium
Potassium
Question 5 of 36
What chemical element is often used in the treatment of high blood pressure?
Choose 1 answer
Sodium
Potassium
Calcium
Magnesium
Question 6 of 36
Which vitamin deficiency is known to cause scurvy?
Choose 1 answer
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
Question 7 of 36
What is the role of hemoglobin in the human body?
Choose 1 answer
Transport of oxygen
Digestion of proteins
Absorption of nutrients
Regulation of body temperature
Question 8 of 36
Which chemical is known as the 'stress hormone'?
Choose 1 answer
Insulin
Cortisol
Adrenaline
Serotonin
Question 9 of 36
What is the primary role of carbohydrates in the diet?
Choose 1 answer
Build muscle
Provide energy
Aid digestion
Regulate hormones
Question 10 of 36
Which acid is commonly found in citrus fruits and is known for its antioxidant properties?
Choose 1 answer
Folic acid
Citric acid
Ascorbic acid
Lactic acid
Question 11 of 36
Which trace element is crucial for the function of enzymes involved in metabolism?
Choose 1 answer
Copper
Iodine
Zinc
Manganese
Question 12 of 36
What is the primary component of the human cell membrane?
Choose 1 answer
Proteins
Carbohydrates
Lipids
Nucleic acids
Question 13 of 36
Which vitamin is important for vision and is found in carrots?
Choose 1 answer
Vitamin A
Vitamin B6
Vitamin C
Vitamin E
Question 14 of 36
Which type of fat is considered the most harmful to heart health?
Choose 1 answer
Monounsaturated fats
Polyunsaturated fats
Trans fats
Saturated fats
Question 15 of 36
Which mineral is critical for the oxygen-carrying capacity of blood?
Choose 1 answer
Iron
Calcium
Potassium
Sodium
Question 16 of 36
Which chemical compound is commonly used as a preservative in food and can be harmful in high doses?
Choose 1 answer
Sodium chloride
Ascorbic acid
Sodium benzoate
Citric acid
Question 17 of 36
Which substance is often used to treat bacterial infections and is derived from fungi?
Choose 1 answer
Penicillin
Aspirin
Insulin
Morphine
Question 18 of 36
What is the main function of enzymes in biochemical reactions?
Choose 1 answer
Increase the temperature
Decrease the activation energy
Increase the concentration
Convert substrates into products
Question 19 of 36
Which type of sugar is commonly found in fruits and is known for its natural sweetness?
Choose 1 answer
Glucose
Fructose
Sucrose
Lactose
Question 20 of 36
Which hormone regulates blood glucose levels and is produced by the pancreas?
Choose 1 answer
Cortisol
Insulin
Thyroxine
Adrenaline
Question 21 of 36
Which type of lipid is essential for hormone production and cellular membrane structure?
Choose 1 answer
Triglycerides
Phospholipids
Steroids
Waxes
Question 22 of 36
Which chemical compound is used as an anticoagulant to prevent blood clotting?
Choose 1 answer
Aspirin
Warfarin
Penicillin
Caffeine
Question 23 of 36
Which vitamin is crucial for the formation of collagen, a protein important for skin health?
Choose 1 answer
Vitamin A
Vitamin B12
Vitamin C
Vitamin E
Question 24 of 36
What type of bond is primarily responsible for the structure of DNA?
Choose 1 answer
Ionic bonds
Hydrogen bonds
Covalent bonds
Van der Waals forces
Question 25 of 36
Which element is a key component of proteins and is found in amino acids?
Choose 1 answer
Nitrogen
Carbon
Oxygen
Hydrogen
Question 26 of 36
Which chemical compound is used in the treatment of depression and is a selective serotonin reuptake inhibitor (SSRI)?
Choose 1 answer
Lithium
Fluoxetine
Diazepam
Gabapentin
Question 27 of 36
Which substance is commonly used in the treatment of allergic reactions?
Choose 1 answer
Antihistamines
Antibiotics
Analgesics
Antivirals
Question 28 of 36
Which vitamin is involved in the synthesis of red blood cells and is often deficient in individuals with a vegan diet?
Choose 1 answer
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
Question 29 of 36
Which metal is used in dental amalgams for fillings due to its durability?
Choose 1 answer
Gold
Silver
Mercury
Platinum
Question 30 of 36
Which hormone is produced by the adrenal glands and is involved in the fight-or-flight response?
Choose 1 answer
Insulin
Cortisol
Adrenaline
Estrogen
Question 31 of 36
Which vitamin is essential for the absorption of calcium in the body?
Choose 1 answer
Vitamin A
Vitamin B6
Vitamin C
Vitamin D
Question 32 of 36
What is the main role of the chemical dopamine in the brain?
Choose 1 answer
Regulate mood
Control muscle movement
Enhance digestion
Improve memory
Question 33 of 36
Which chemical element is used in the treatment of bipolar disorder?
Choose 1 answer
Lithium
Sodium
Calcium
Magnesium
Question 34 of 36
Which substance is used as a therapeutic agent to lower blood cholesterol levels?
Choose 1 answer
Antihistamines
Statins
Antibiotics
Antacids
Question 35 of 36
Which mineral helps to regulate fluid balance and is commonly found in table salt?
Choose 1 answer
Potassium
Calcium
Sodium
Magnesium
Question 36 of 36
Which element is often referred to as a 'trace element' and is crucial for thyroid function?
Choose 1 answer
Iodine
Iron
Copper
Zinc
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