Infectious disease
Name two ways infectious diseases spread
What do we call it when cells divide uncontrollably
Cancer
What treatment uses drugs to kill fast dividing cells
Chemotherapy
What are the three layers of your immune system
Physical, first responders, adaptive
which pandemic came from rats and fleas
Black death
What is an example of a disease spread by insect bites
Dengue fever, malaria
A tumor that is harmful is called ...
Benign ; Malignant
Why does chemotherapy cause hair loss
It kills healthy fast dividing cells as well as unhealthy cells
What do white blood cells do
Eat bacteria
How much of Europe's population did the Black Death kill
30-60%
The system that keeps your body healthy is called
Immune system
What is metastasis
When cancer spreads to other parts of the body
What is immunotherapy
Training your immune system to recognize and attack cancer
Why do you feel worst around day 3 of being sick
Adaptive immune system fully activates, using energy that you would use for other activities
What type of virus caused the Spanish Flu
Influenza A
How do vaccines work
Introduce the pathogen to your body in a safe way so that your body knows how to fight it before actually getting the disease
What is apoptosis
Programmed cell death, where the cell self destructs
Immunotherapy is similar to what from lesson 1
Vaccines - they train your immune system to recognize something and attack it
Name one thing your body does naturally to prevent cancer
Tumor suppressor genes, apoptosis, immune surveillance (immune system)
How many people did the Spanish Flu kill
50-100 million
What happens to your helper T cell count when you get HIV
It drops
What is the p53 gene and why is it important
It is a tumor suppressor gene ; it detects and repairs damaged DNA
Why are COVID vaccines considered an exception to other vaccines
it was developed much faster than normal
What is the difference between an autoimmune disease and immunodeficiency
Autoimmune attacks itself ; Immunodeficiency is too weak to fight
What does zoonotic mean, and give one example
A disease that jumped from animals to humans, COVID, Black Death, rabies