What is the difference between an epidemic and a pandemic?
An epidemic is more contained and smaller scale. A pandemic is spreading out of control across countries.
One simple behaviour that protects you and others from disease.
Washing your hands.
Which two lines make up your body's general defense?
Physical defenses and Inflammatory Response
What is the study of inherited traits?
Genetics
What is the difference between a communicable and noncommunicable disease?
Communicable diseases can spread between organisms.
Why was Canada's Public Health Agency created?
People realized the connection between poor sanitation and high disease.
What are three symptoms of inflammation?
Swelling, redness, warmth, pain
How many chromosomes does a human have?
46
What are the four kinds of pathogen?
Bacteria, virus, protist, fungus
Four examples of food preservation techniques.
Examples include smoking, canning, salting, refrigerating, freezing, chemical additives, vacuum packaging, and irradiation.
Which white blood cells are large and engulf invaders?
Macrophages
A person with XY chromosomes is...
Male.
Name three pandemics.
COVID, HIV/AIDS, Bubonic Plague
Four public health strategies that prevent disease.
What are Water Quality/Testing, Garbage Disposal, Air Quality/Testing, and Vaccination?
Explain the difference between active and passive immunity.
Active immunity is long-term.
Changes in DNA are caused by BLANK and they can cause BLANK such as BLANK.
Mutagens, genetic disorders, cancer
What are the three conditions bacteria need for reproduction?
Warmth, moisture, food.
The difference between sterilization and pasteurization.
Sterilization is the use of steam to destroy pathogens on surfaces. Pasteurization specifically is the heating of liquids to kill pathogens within.
Explain the role of B cells and Helper T cells in the immune response.
Helper T cells activate B cells, promoting them into plasma cells or memory cells.
Two parents both carry a recessive genetic disorder (genotypes Uu for both). What is the chance their child gets the disease?
25%