Term
- changes in eating habits
-NAFTA
- Expanded international trade
-Influx of refugees
-AIDS/ Immunocompromised hosts |
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Definition
Changes in prevalance of Parasites |
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Term
changes in eating habits that causes a greater prevalence of parasites includes |
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Definition
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Term
- means "living together"
-The association of two species, primarily for the purpose of obtaining food on the part of one or both members of the group
- may also involve protection or other advantages |
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Definition
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Term
-symbiotic relationship in which one organism, the host, is to some degree harmed through the activities of the other organism, the parasite.
-requires close and prolonged contact |
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Definition
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Term
-means "eating from the same table"
-symbiotic association that is advantageous to one partner at least and not disadvantageous to the other |
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Definition
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Term
commensal relationship that is beneficial to both organisms
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Definition
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Term
organism cannot survive in any manner other than parasitism |
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Definition
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Term
-may exist in a free-living state or as a commensal and that, if the opportunity presents itself, may become parasitic
-does not, of necessity, have to be a parasite at any stage of its existence |
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Definition
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Term
parasites that live within the host |
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Definition
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Term
parasites that are found on the surface of the body |
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Definition
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Term
Blood sucking arthropods that lead an independent existence except for occasional nutritional forays |
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Definition
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Term
host in which the parasite reaches sexual maturity or the host in which sexual reproduction occurs |
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Definition
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Term
transport host, one in which the parasite does not undergo any development, but remains infective to another host |
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Definition
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Term
any animal that harbors an infection that can be transmitted to humans |
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Definition
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Term
-any living carrier that transports a pathogenic microorganism from an infected to a non-infected host
-it may transmit the disease passively(mechanical) or be an essential host in the life cycle of the organism (biologic) |
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Definition
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Term
one of the effects of the parasite on the host is that it that it interferes with __________ of the host through the action of parasite ________ |
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Definition
-vital processes
-excretions |
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Term
One of the effects of the parasite on the host is invasion and destruction of the ____________ that does not cause gross physical damage |
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Definition
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Term
The reasons parasites do not cause gross physical damage to the tissue are? |
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Definition
-their size
-their ability to penetrate mucosal tissue
-numbers (larger numbers can cause significant damage) |
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Term
An effect of the parasite on the host is __________ of essential substances from the host resulting in conditions such as _______ and ________ |
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Definition
-deprivation
-anemia
-B12 deficiency |
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Term
genetic makeup of the host is effected by the parasite by |
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Definition
racial variations in resistance |
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Term
-eosinophil production
-Ab production
-Inflimmation (cell mediated) immunity |
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Definition
Immune response to the Host by the parasite |
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Term
The most common clinical manifestation of parasitic infection is |
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Definition
diarrhea; may be bloody or purulent, accompanied by cramping or abdominal pain |
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Term
Five common clinical manifestations of parasitic infections |
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Definition
1. diarrhea
2. peripheral blood eosinophils(15-50%)
3. Hepatosplenomegaly
4.Generalized systemic symptoms
5. Some specific symptoms (some parasites have symptoms specific to them) |
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Term
Do all parasites elecit a peripheral blood eosinophil response? |
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Definition
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Term
-may be accompanied by jaundice
-associated with many organisms capable of inhabiting the liver |
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Definition
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Term
Includes
- intestinal tract
- blood
- lung
- liver
- spleen
- urogenital
- CNS
- skin
- muscle
- eye
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Definition
Specimen sites for recovery of parasites |
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Term
Name the 5 major subdivisions of parasites |
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Definition
1.protozoa
2. platyhelminthes
3. Aschelminthes
4. acanthocephala
5. arthropoda |
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Term
Taxonomy platyhelminthes goes by the common name of |
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Definition
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Term
Aschelminthes has the class |
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Definition
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