Online Test — Human Health and Disease
16 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 16
Health is best defined as:
Only the absence of disease
Complete physical, mental and social well-being
Being rich
Eating a lot
Explanation: Health is complete physical, mental and social well-being.
Question 2 of 16
Diseases spread from person to person by germs are:
Non-infectious
Infectious
Genetic
Deficiency
Explanation: Infectious (communicable) diseases are spread by pathogens.
Question 3 of 16
Tuberculosis and typhoid are caused by:
Bacteria
Viruses
Worms
Fungi
Explanation: TB and typhoid are bacterial diseases.
Question 4 of 16
Which disease is caused by a virus?
Malaria
Cholera
Dengue
Ringworm
Explanation: Dengue is a viral disease.
Question 5 of 16
Malaria is spread by the:
Housefly
Female Anopheles mosquito
Cockroach
Rat
Explanation: The female Anopheles mosquito spreads malaria.
Question 6 of 16
Immunity present from birth and non-specific is:
Innate immunity
Acquired immunity
Passive immunity
No immunity
Explanation: Innate immunity is present from birth and general.
Question 7 of 16
Proteins that bind specific antigens are:
Hormones
Antibodies
Enzymes
Vitamins
Explanation: Antibodies bind specific antigens.
Question 8 of 16
A vaccine contains a weakened or killed germ that triggers:
Disease
Antibodies and memory cells
More germs
Digestion
Explanation: Vaccines trigger antibodies and memory cells without causing disease.
Question 9 of 16
Which disease has been completely eradicated by vaccination?
Smallpox
Malaria
AIDS
Cancer
Explanation: Smallpox has been eradicated worldwide.
Question 10 of 16
Giving ready-made antibodies (e.g. anti-venom) provides:
Active immunity
Passive immunity
Innate immunity
No immunity
Explanation: Ready-made antibodies give fast but short-lived passive immunity.
Question 11 of 16
AIDS is caused by:
A bacterium
The HIV virus
A protozoan
A worm
Explanation: HIV causes AIDS by weakening immunity.
Question 12 of 16
HIV does NOT spread through:
Unprotected sex
Shared needles
Casual contact like a handshake
Infected blood
Explanation: HIV does not spread by casual contact.
Question 13 of 16
Uncontrolled division of cells forming a mass is a:
Tumour
Vaccine
Antibody
Vector
Explanation: Uncontrolled cell division forms a tumour (cancer).
Question 14 of 16
Cancer-causing agents are called:
Antigens
Carcinogens
Antibodies
Vaccines
Explanation: Carcinogens cause cancer (e.g. tobacco smoke).
Question 15 of 16
A good way to prevent drug abuse is to:
Give in to peer pressure
Avoid peer pressure and seek support
Hide problems
Stop studying
Explanation: Avoiding peer pressure and seeking support help prevent abuse.
Question 16 of 16
Chikungunya, like dengue, is a viral disease spread by:
Mosquitoes
Houseflies
Rats
Cattle
Explanation: Chikungunya is a mosquito-borne viral disease.