Health questions

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Review Health questions for Biology, with correct answers shown and coverage across communicable and non-communicable disease; pathogens and transmission; vaccination and medicines.

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Question 1

What is a recreational drug?
  1. A substance taken to alter mood, perception or behaviour
  2. A nutrient needed for growth and repair
  3. A vaccine that prevents all infections
  4. A medicine used only during surgery

Question 2

Which of these is an example of substance misuse?
  1. Taking more of a medicine than prescribed
  2. Finishing a full course of antibiotics
  3. Taking paracetamol for a headache
  4. Using an inhaler as directed

Question 3

Which term describes a drug that speeds up nervous system activity?
  1. Stimulant
  2. Depressant
  3. Antibiotic
  4. Analgesic

Question 4

What is a drug that slows the nervous system called?
  1. Depressant
  2. Stimulant
  3. Nutrient
  4. Antiseptic

Question 5

Why is nicotine addictive?
  1. It causes dependence
  2. It permanently relaxes the brain
  3. It raises blood oxygen
  4. It supplies energy

Question 6

Smoking tobacco increases the risk of which disease?
  1. Lung cancer
  2. Type 1 diabetes
  3. Rickets
  4. Scurvy

Question 7

Which substance in tobacco smoke reduces oxygen transport in the blood?
  1. Carbon monoxide
  2. Nicotine
  3. Tar
  4. Water vapour

Question 8

Long-term heavy alcohol use can damage which organ most directly?
  1. Liver
  2. Kidney
  3. Skin
  4. Thyroid gland

Question 9

Why is sharing needles dangerous?
  1. It can spread blood-borne infections
  2. It increases white blood cell production
  3. It reduces addiction risk
  4. It sterilises injected substances

Question 10

What is meant by drug tolerance?
  1. More of the drug is needed for the same effect
  2. The same dose produces a stronger effect over time
  3. Unpleasant effects occur when drug use stops
  4. The person feels unable to function without the drug

Question 11

What are withdrawal symptoms?
  1. Unpleasant effects when a dependent person stops taking a drug
  2. Positive effects after taking a larger dose
  3. Immunity after one use of a drug
  4. Normal signs of digestion after a meal

Question 12

Which statement best describes passive smoking?
  1. Breathing in smoke from other people's cigarettes
  2. Smoking only low-tar cigarettes
  3. Using nicotine patches to stop smoking
  4. Vaping nicotine-free liquid

Question 13

Which substance in many e-cigarettes can cause dependence?
  1. Nicotine
  2. Tar
  3. Carbon monoxide
  4. Oxygen

Question 14

Why can cannabis use reduce safety in traffic?
  1. It can impair attention and reaction time
  2. It can increase blood oxygen carrying capacity
  3. It can speed up visual processing in all users
  4. It can improve muscle coordination immediately

Question 15

Which is the safest way to use prescribed medicine?
  1. Follow the prescribed dose and instructions exactly
  2. Double the dose if symptoms feel worse
  3. Share leftover medicine with friends
  4. Stop as soon as symptoms improve with no advice

Question 16

Which community approach is most likely to reduce harm from drug use?
  1. Health education combined with access to support
  2. Health education without access to support
  3. Treatment services without prevention education
  4. Law enforcement without health services

Question 17

What is drug dependence?
  1. Feeling unable to function normally without the drug
  2. Needing more of the drug for the same effect
  3. Feeling unwell only while taking the drug
  4. Recovering from the drug after one dose

Question 18

What is a pathogen?
  1. A microorganism that can cause disease
  2. A protective antibody
  3. A type of muscle
  4. A nutrient

Question 19

Which disease is caused by a virus?
  1. Flu
  2. Athlete’s foot
  3. Scurvy
  4. Rickets

Question 20

What is a vaccine designed to do?
  1. Train the immune system to respond to a pathogen
  2. Kill pathogens already inside the body
  3. Replace damaged red blood cells
  4. Provide energy to muscle cells

Question 21

What does an antibody do?
  1. Binds to a specific antigen
  2. Engulfs a pathogen by phagocytosis
  3. Breaks down food like a digestive enzyme
  4. Carries oxygen in a red blood cell

Question 22

Which dietary change most raises blood pressure?
  1. More salt
  2. More fibre
  3. More water
  4. More protein

Question 23

Which is a benefit of regular exercise?
  1. Improved cardiovascular fitness
  2. Reduced muscle endurance
  3. Lower bone density
  4. Slower recovery after activity

Question 24

What is a deficiency disease?
  1. An illness caused by too little of a nutrient
  2. An illness caused by a pathogen
  3. A disorder inherited through genes
  4. Damage caused by a physical injury

Question 25

Which nutrient deficiency can cause rickets?
  1. Vitamin D
  2. Vitamin C
  3. Protein
  4. Fibre

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Review Health questions for Biology, with correct answers shown and coverage across communicable and non-communicable disease; pathogens and transmission; vaccination and medicines.

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