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32 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What digests fibrin clots |
Bacteria kinases |
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What is ID 50 |
The amount of bacteria that will infect 50% of the people exposed to it |
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What is pathogenicity |
The ability to cause a disease |
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Mucous membranes, skin, and parenteral routes are examples of |
Portals of entry |
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What is LD50 |
The lethal dose to kill 50% of host in a given time |
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What is a toxoid |
An inactivated toxin used in vaccine |
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What is a capsule |
An outer viscous covering on some bacteria that prevents phagocytosis |
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Define toxigenicity |
The ability to produce a toxin |
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Define ergot |
A group of fungi of the genus claviceps |
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Define toxemia |
Presence of toxins in the hosts blood |
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What is a pyrogenic response |
Fever induced by an endotoxin |
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What binds to receptors on host cells and forms biofilms |
Adhesins/ligands |
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What clots the fibrogen in blood |
COAGULASE |
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What is kinase |
Bacterial enzyme that breaks down fibrin and digests clots in order to isolate infection |
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What toxins are ONLY produced by gram-negative bacteria |
Endotoxins |
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What does collagenase do |
Breaks down connective tissue |
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What does coagulase do |
Lyses fibrin clots |
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What does leukocidin do |
Lyses WBC membranes |
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Toxic shock syndrome is caused by |
Staphyllococcus aureus |
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What are the 3 main portals of entry |
Mucous membranes Skin Parenteral |
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What is the easiest and most frequenly used entry site for microbes |
Respiratory tract |
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What is the entry site for most stds |
Genitourinary |
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What is conjunctiva |
The membrane covering the eyes and eyelids |
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What can get thru unbroken skin |
Hook worms |
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What type of fungi can grow on the skin and break down keratin |
Dermatophytes |
Derm-skin |
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What is the preferred portal of entry |
Parenteral- beneath the skin |
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What do hemolysins do |
Lyse red blood cells |
Hemo means Lyse means |
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What does hyaluronidase do |
Breaks down hyaluronic acid which holds together CT |
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What is cadherin |
Bridge between two cells for microbes to cross |
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What are the 3 mechanisms that damage host cells |
Direct Toxins Hypersensitivity |
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What type of toxin is produced by gram-positive bacteria |
Exotoxins |
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What is septic shock |
Shock caused by endotoxins (gram-negative) |
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