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Clin Lab Proced.11
Homework Packet #11
Question | Answer |
---|---|
Treponema pallidum causes the STD, ______________. | Syphilis |
The oxidase test is used to identify certain bacteria such as _______________. | Neisseria (N. Gonorrhea) |
_______________ is a sexually transmitted virus that can cause cervical cancer. | HPV - Human Papilloma Virus |
Untreated STDs in females can cause women of childbearing age to be _______________. | Infertile |
The saline wet mount preparation is for detection of Trichomonas and _______________. | Clue cells (Gardnerella vaginallis) |
Hookworms are in the group of helminths called _______________. | Nematodes/Round worms |
________________ is a flagellated parasite that can occur in the urogenital tract. | Trichomonas vaginallis |
The parasite that causes malaria belongs to the genus _______________. | Plasmodium |
The definitive host for the malarial parasite is _______________. | Mosquito |
Amoebae, flagellates, and ciliates are members of the large group of single-celled organisms called _______________. | Protozoa |
An _______________ lives on the outer host surfaces. | Ectoparasite |
_______________ describes insects, crustaceans, and arachnids. | Arthropod |
Pathogens that are _______________ are those that are recurring in a location or population. | Endemic |
The _______________ host is the host in which sexual or adult forms of a parasite is found. | Definitive |
An organism living in or on a host but causing no damage to the host is a _______________. | Commensal |
The motile, feeding stage of protozoan parasites is called the ________________. | Trophozoite |
_______________ is the laboratory test requesting examination of fecal specimens for parasites. | Ova and Parasites |
Fecal specimens should be delivered to the laboratory within _______________ hours of collection. | 2 |
A parasitology specimen must be _______________ if specimen transport is delayed. | Preserved/fixative (PVA) |
Enterobius vermicularis is the scientific name for ________________. | Pinworm |
The best time for collecting specimens for pinworm detection is _______________. | Between 9pm and midnight |
A _______________ is the method used for collecting specimens for pinworm examination. | Perianal paddle swab |
The preservative used for fecal specimens that are to be stained with trichrome stain is _______________. | Polyvinyl Alcohol (PVA) |
A _______________ is the name for the body segment of a tapeworm. | Proglottid |
The most common roundworm in humans in the United States is _______________. | Enterobiasis |
The _______________ stain is the stain commonly used to identify parasites in fecal specimens. | Trichrome |
Parasite size can be measured microscopically using a(n) _______________. | Ocular Micrometer |
To increase the chances of finding parasites in a fecal specimen, the specimen can be _______________ before examination. | Concentrated |
Cryptosporidium is best detected by using the _______________ concentration technique. | Flotation |
Giardia trophozoites live in the _______________ of infected individuals. | Small intestines |
The _______________ is the method of transmission of malaria to man. | Mosquito (mosquito bite) |
The preferred stain for identification of malarial parasites is ________________ stain, and they are detected by examination of a _______________ specimen. | Giemsa/Blood |
Human malaria is caused by a protozoan parasite of the genus _______________. | Plasmodium |
In humans, the malarial parasites live in ________________ cells in _______________ cells. | Liver/Red blood |
The _______________ blood smear gives the greatest chance of finding parasites that are in low concentration. | Thick |
Dog heartworm is diagnosed by examining dog blood for the presence of the _______________. | Microfilarine |
CANDIDA ALBICANS | Yeast that causes vaginitis and other infections, especially following antibiotic therapy. |
CHLAMYDIA TRACHOMATIS | Species of Gram-negative intracellular bacteria that is a cause of STDs. |
HSV-1 HERPES SIMPLEX VIRUS TYPE 1 | The virus causing oral herpes. |
HSV-2 HERPES SIMPLEX VIRUS TYPE 2 | The virus causing genital herpes. |
HIV- HUMAN IMMUNODEFICIENCY VIRUS | The retrovirus that has been identified as the cause of AIDS. |
HPV- HUMAN PAPILLOMA VIRUS | A group of viruses, some of which are sexually transmitted. |
OXIDASE TEST | An enzyme test used to identify certain bacteria such as Neisseria. |
TRICHOMONIASIS | A sexually transmitted genitourinary tract infection caused by the parasitic protozoan, Trichomonas vaginallis |
VENEREAL | Having to do with, or transmitted by, sexual contact. |
ARTHROPOD | A member of the phylum Arthropoda, which includes crustaceans, insects, and arachnids. |
CESTODE | Tapeworm; member of the class Cestoda |
COMMENSAL | An organism that lives with, on, or in another, without causing injury to either. |
CONGENITAL | Acquired during fetal development, and present at the time of birth, but not inherited. |
DEFINITIVE HOST | The host in which the sexual or adult form of the parasite is found. |
ECTOPARASITE | A parasite that lives on the outer surface of a host. |
ENDEMIC | Recurring in a specific location or population. |
HELMINTH | The group comprising the roundworms and flatworms. |
HOST | The organism from which a parasite obtains nutrients and in which some or part of the parasite's life cycle is completed. |
INTERMEDIATE HOST | The hos in which the asexual, immature, or larval form of the parasite is found. |
LARVA | Immature stage of an invertebrate. |
NEMATODE | Any unsegmented worm of the class Nematoda. |
OPPORTUNISTIC PARASITE | A parasitic organism that causes disease only in immunocompramised hosts. |
PROGLOTTID | The tapeworm body segment that contains male and female reproductive organs. |
RESERVOIR HOST | The host, other than the usual host, in which the parasite lives and is infectious. |
TERMATODE | Any parasitic flatworm of the class Trematoda; fluke. |
VECTOR | An agent that transports a pathogen from an infected hose to a non-infected host. |
PINWORM | Enterobius vermicularis, a small parasitic nematode; also called seatworm. |
PVA | Polyvinyl Alcohol, a preservative used for fecal specimens. |
OCULAR MICROMETER | A micrometer that fits in a microscope eyepiece and that is used to measure microscopic objects. |
TRICHROME STAIN | A stain commonly used to identify parasites in fecal smears. |
ANOPHELES | The genus of mosquito that is the definitive host for the human malarial parasites. |
GIEMSA STAIN | A polychromatic stain used for staining blood cells and blood parasites. |
MICROFILARIA | Immature form of a filarial worm. |
PARASITEMIA | Parasites in the blood. |
PAROXYSM(S) | Cycle(s) of chills and fever associated with malaria that occur 36 to 72 hours apart, depending on the Plasmodium species. |
PLASMODIUM | The protozoan genus that includes the organisms causing human malaria. |