Health Defense: 20 MCQs with answers

Social

The WHO defines health as complete physical, mental, and social well-being, not just the absence of disease.

Chickenpox

Chickenpox is caused by a virus and spreads from person to person, making it communicable. Diabetes, heart disease, and cancer are non-communicable.

Diabetes

Diabetes is primarily caused by lifestyle factors like junk food, lack of exercise, and stress, not by germs.

Rash

A rash is a visible sign that can be seen and measured. Nausea, dizziness, and tiredness are symptoms felt by the patient.

They fight the germs

White blood cells act as the body's 'soldiers' and fight the germs causing the infection.

Asthma

Asthma is a non-communicable disease linked to lifestyle and environment, not caused by germs and not spread from person to person.

It teaches the immune system to fight a specific germ

Vaccines contain weakened or dead germs that train the immune system to recognize and fight the real germ later.

Daily exercise

Daily exercise keeps the body active and is a good habit. Skipping breakfast, sleeping late, and junk food are bad habits.

False

Health is a state of complete physical, mental, and social well-being, not merely the absence of disease.

False

Antibiotics only work against bacteria, not viruses. Taking them for viral infections is a cause of antibiotic resistance.

Headache

Symptoms are subjective feelings like headache, tiredness, or nausea. Signs are objective and measurable, like fever or rash.

They are signs that the body's defense system is working

Symptoms like fever, cough, and sneezing are not 'bad'; they are signs that the body's defense system is actively working to fight off germs.

Vaccination and clean drinking water

Old germ-related diseases like smallpox and polio have reduced due to vaccination, clean drinking water, better hospitals, and health awareness.

It increases mosquito populations due to warmer temperatures

Climate change leads to increased heat, which results in more mosquitoes, spreading mosquito-borne diseases like dengue.

It weakens the immune system

Stress weakens the body's defense system, making it more susceptible to illness. It can lead to poor sleep, reduced appetite, and weakened immunity.

They have weaker immune systems

Children have developing immune systems, and the elderly may have weaker immunity, making them more vulnerable during outbreaks.

Modern lifestyle choices like junk food and less exercise

Lifestyle diseases increase due to habits like eating junk food, lack of physical activity, increased screen time, and stress.

Bacterial infections like tuberculosis

Antibiotics kill bacteria and cure bacterial diseases like tuberculosis, typhoid, and cholera. They do not work against viruses, protozoa, or worms.

Clean habits and sanitation reduce disease

The Bhadrak case showed that promoting toilet use and sanitation reduced open defecation and significantly lowered diarrhea cases.

Bacteria become strong enough to survive antibiotics

Antibiotic resistance occurs when bacteria mutate and become strong enough to survive antibiotics, making the medicines ineffective.