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21 Cards in this Set
- Front
- Back
Infections that go unnoticed are termed ?,?, or ?, because the patient experiences no symptoms or disease.
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asymptomatic
subclinical inapparent |
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With few exceptions pathogens depart by a specific avenue called the ?
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portal of exit
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The ? is the primary habitat in the natural world fro which a pathogen originates.
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reservoir
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The individual or object from which an infection is actually acquired is the ?
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source
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An individual who is inconspicuously sheltering a pathogen and spreads it to others without any notice is a ?
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carrier
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? carriers are infected, but they show no symptoms
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Asymptomatic
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Recuperating patients without symptoms are considered ? carriers.
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convalescent
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An individual who shelters the infectious agent for a long period is a ? carrier.
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chronic
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Medical or dental personnel who must constantly handle material that are contaminated with patient secretions can spread pathogens, they are known as ? carriers
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passive
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The word ? is used by epidemiologists to indicate a live animal that transmits an infectious agent.
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vector
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A ? vector actively participates in a pathogen's life cycle, serving as a site for multiplication or where it can complete its life cycle.
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biological
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? vectors are not necessary to the life cycle of an infectious agent and merely transport it without being infected.
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Mechanical
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An infection indigenous to animals but naturally transmissible to humans is ?
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zoonosis
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In ? infections, the human is essentially a dead end host and doesn't contribute t the natural persistence of the microbe
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zoonosis
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A disease is ? when and infected host can transmit the infectious agent to another host and establish infection in that host.
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communicable
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If a microbe is highly communicable, especially through direct contact , the disease is ?
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contagious
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? infections occur primarily when a compromised person is invaded by his or her own microbiota or accidental contact with a microbe that exists in a nonliving reservoir such as soil.
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noncommunicable
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In a ? disease transmission can be direct or indirect.
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communicable
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The patterns of transmission in communicable disease can be ? or ?
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direct
indirect |
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The term ? means the disease is spread through a population from one infected person to another.
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horizontal
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The ? signifies transmission from parent to offspring via the ovum, sperm, placenta, or milk
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vertical
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