Term
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Definition
| invasion of the body by a pathogen and the resulting signs and symptoms that develop in response to the invasion; localized and systemic |
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Term
| the most common infections are: bacteria, viruses, ______,and ______. |
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Definition
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Term
| what two ways do bacteria cause disease? |
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Definition
1) entering the body and growing in human cells 2) secrete toxins that damage cells |
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Term
how do viruses cause infection? hint: they are not cells! |
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Definition
| they are RNA or DNA and a protein envelope; they can only reproduce in a living organism and are therefore obligate parasites |
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Term
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Definition
| single-cell animal-like microorganisms; amebas, ciliates, flagellates, and sporozoa; live in bodies of water and soil |
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Term
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Definition
| occurs when pathologic organisms change in ways that decrease the ability of a drug-or family of drugs-to treat disease |
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Term
| if a drug cannot enter the cell_______________...? |
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Definition
| it cannot kill the bacteria |
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Term
| how do health care providers contribute to the development of drug-resistant organisms? |
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Definition
- administering anitbiotics for viral infections
- succumbing to pt to prescribe unnecessary antibiotics
- using inadequate drug regimens to treat infections
- using broad-spectrum or combination agents for infections that should be treated w/ first-line meds
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Term
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Definition
| hospital acquired infection |
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Term
| what are standard precautions? |
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Definition
| designed for the care of all pts regardless of diagnosis or presumed infection status; include: blood, body fluids, secretions/excretions, nonintact skin, mucous membranes |
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Term
| what are the different types of transmission-based precautions? |
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Definition
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