unit 12.5

Which of the following diseases is NOT caused by viruses?

• Cold

• Influenza

• Diabetes

• Measles

Diseases can be broadly divided into which two types?

• Chronic diseases and acute diseases

• Infectious diseases and non-infectious diseases

• Genetic diseases and environmental diseases

• Physical diseases and mental diseases

What are infectious diseases?

• Diseases caused by genetic mutations

• Diseases that can be spread from one person to another

• Diseases caused by environmental factors

• Diseases that only affect animals

How do pathogens make people sick?

• By improving body tissues

• By damaging body tissues or producing toxins

• By increasing the body's immunity

• By reducing the body's temperature

Which of the following diseases is caused by viruses?

• Cholera

• Tuberculosis

• Influenza

• Tetanus

What is an example of a disease caused by bacteria?

• Hepatitis

• Severe acute respiratory syndrome (SARS)

• Tetanus

• Acquired immune deficiency syndrome (AIDS)

How are infectious diseases transmitted?

• Through direct contact with infected individuals

• By consuming contaminated food or water

• Through insect bites or vectors

• All of the above

Which body fluids can contain pathogens that lead to disease transmission?

• Blood, saliva, semen, vaginal secretion, breast milk

• Sweat, tears, urine, saliva

• Blood, sweat, tears, urine

• Saliva, sweat, tears, breast milk

Which of the following is an example of a disease that can be transmitted through direct contact?

• Athlete's foot

• Malaria

• Tuberculosis

• Dengue