Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Exam 4

Part C- Short Answers & 5***** Star Slide Notes

1 of 3 results produced by the Complement system* C3b Opsonization (aka. marks pathogen as bad)
1 of 3 results produced by the Complement system* C3a + C5a Inflammation
1 of 3 results produced by the Complement system* C5b+C6+C7+C+C9 Cell lysis
Innate Immunity * First Line of Defense -Intact Skin -Mucus Membrane -Normal microbiota
Innate Immunity * Second Line of Defense -Phagocytes -Inflammation -Fever -Antimicrobial substances
Adaptive Immunity* Third line of defense -specialized lymphocytes; T & B cells -Antibodies
Describe the steps of phagocyosis -Identify the microbe -Attach & engulf it -Digest the microbe -Eliminate it by exoytosis (poops it out)
Name two ways in which a pathogen evades the host immune system -Killing phagocytes -Using host's iron
Advantage of herd immunity and what that means about vaccinations aka; Community Immunity; It provides a measure of protection for individuals who are not immune to a certain disease
Significance of a Low ID50 The dose of microbes required to produce a measurable infection in 50% of the tested population
Significance of a Low LD50 The lethal dose necessary to kill 50% of the population of tested microbes
Portals of entry -Broken skin -Insect bites -Ear -Nose -Mouth -Vagina/penis -Urethra -Anus
White Blood cells * Neutrophils Phagocytosis
White Blood cells * Basophiles Histamine
White Blood cells * Eospinophils Kill parasites
Red Blood Cells * Transport O2 & Co2
Monocytes * Phagocytosis
Dendritic Cells * Phagocytosis
Natural killer cells * Destroy target cells
T cells * Cell-mediated immunity
B cells * Produced antibodies
Platelets * Blood clotting
Humoral is based on* antibodies
Created by: arichardson_14