Flashcards in Immunity for Patho Deck (56)
Which immune organ are the main developer of T cells?
Which lymphatic system part creates B cells?
What is the #1 way to prevent infection?
What is the first line of defense?
How does mucus help protect the body?
Keeps body from trying out
What does mucus do to microbes?
What enzyme do sweat, tears, and saliva contain?
What does lysozyme do?
Breaks down the cell wall of some bacteria
What happens if microbes pass skin and secretions?
Leukocyte that ingests and destroys pathogens by engulfing them
Giant scavengers or big eaters that develop from monocytes
Dead WBCs that are left from phagocytosis create what?
Reaction to any type of injury to body tissues
What are the four symptoms of inflammation?
Redness, swelling, pain, heat
What causes inflammation?
A release of histamines
Group of proteins that attach to pathogens and damage their plasma membrane and attract phagocytes
Where do viruses replicate?
Can phagocytes destroy viruses?
Protect human cells from viruses
Where are interferons produced?
Body cells infected by the virus and then they spread to uninfected cells
Produce antiviral proteins that disrupt viral replication
The body recognizes a specific pathogen
What has the job of immunity?
The lymphatic system
What are the 3 main functions of the lymphatic system?
Maintain homeostasis, absorbs fat, and defends against disease
Traps foreign particles for filtration
Tissue fluid that enters lymphatic vessels
What color is lymph before infection?
What happens to color of lymph when infected?
It changes colors
What must happen to lymph before it returns to the blood?
Must be filtered