What are communicable diseases?

• Diseases that cannot be passed from person to person

• Diseases that are passed from a contaminated person, animal, substance, or surface to another person

• Diseases that develop spontaneously

• Diseases caused by an unhealthy lifestyle

What does it mean if a person is asymptomatic?

• They have symptoms but no signs

• They have signs but no symptoms

• They have neither signs nor symptoms

• They have both signs and symptoms

How are symptoms different from signs?

• Symptoms are objective; signs are subjective

• Symptoms are subjective; signs are objective

• Symptoms are genetic; signs are environmental

• Symptoms are visible; signs are invisible

Which of the following is NOT an acute disease?

• Flu

• Strep throat

• Pinkeye

• Cancer

Which statement best describes acquired immunity?

• It is a temporary form of immunity

• It develops without exposure to antigens

• It requires a healthy immune system to function

• It is the same as innate immunity

Which of the following is an example of a chronic disease?

• Diabetes

• Appendicitis

• Common cold

• Chickenpox

Which of the following is NOT a white blood cell?

• Leukocyte

• B Cell

• Erythrocyte

• Phagocyte

Which terms would be used to describe the length of a disease?

• Communicable, Non-communicable

• Symptom, Sign, Asymptomatic

• Acute, Chronic, Terminal

Vaccines are an example of

• Innate Immunity

• Acquired Immunity

Toxins or foreign bodies that enter the body are known as?

• Antigens

• Pathogens

• Vector