Term
| The ability to cause disease |
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Definition
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Term
| The extent of pathogenicty |
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Definition
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Term
| What are portals of entry for pathogens? |
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Definition
Mucous Membranes Skin Panteral routes |
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Term
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Definition
| Infectious dose for 50% of the test population |
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Term
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Definition
| Lethal dose (of a toxin) for 50% of the test population |
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Term
| The ID50 of Bacillus Anthracis (Anthrax) |
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Definition
Skin - 10 - 50 endospores Inhalation - 10,000-20,000 endospores Ingestion - 250,000-1,000,000 endospores
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Term
| What are some ways that pathogens bind to receptors on host cell? |
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Definition
Gylocalyx: Capsules Fimbriae M protein Opa protein Tapered end
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Term
| Pathogens can release ______ ? |
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Definition
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Term
How can bacterial pathogens damage host cells? |
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Definition
- Using the host's nutrients
- Direct Damage
- Making Toxins
- Plasmids and Lysogeny
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Term
| Substance that contribute to pathogenicity |
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Definition
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Term
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Definition
Ability to produce a toxin |
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Term
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Definition
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Term
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Definition
| Inactivated toxin used in a vaccine |
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Term
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Definition
| Antibodies against a specific toxin |
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Term
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Definition
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Term
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Definition
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Term
| Membrane disrupting toxins |
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Definition
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Term
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Definition
Cause an intense immune response due to release of cytokines from host cells. |
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Term
What does the B component of a exotoxin do to the host cell? |
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Definition
| The B component of the exotoxin allows it to bind to the receptor of the host and let exotoxin inside the cell. |
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Term
| What does the A component of an exotoxin do to the host cell? |
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Definition
| It alters cell function by inhibiting protein synthesis. Then the B component is released from the cell |
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Term
| How does Exotoxins lyse host cell? |
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Definition
- Making protein channels in the plasma membrane
- Disrupting phospholipid bilayer
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Term
| What kind of symptoms does a superantigen cause? |
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Definition
Vomiting Fever nausea shock death
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Term
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Definition
Fungal waste may cause symptoms chronic infections cause allergic response Tichothecene toxins inhibit protein synthesis Proteases Capsule prevents phagocytosis ergot toxin
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Term
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Definition
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Term
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Definition
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Term
| Pathogenic Properties of Protozoa |
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Definition
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Term
| Pathogenic Properties of Helminths |
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Definition
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|
Term
| Pathogenic Properties of Algae |
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Definition
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Term
| What are portals of exit for pathogens? |
|
Definition
Respiratory tract (coughing & sneezing) Gastrointestinal tract (feces & saliva) Genitourinary tract (urine & vagina secretion) Skin Blood (biting arthropods, needles, syringes)
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