Term
Is the following procedure appropriate or inappropriate for the specimens placed in PVA preservative:
Permanent Stained Smear |
|
Definition
|
|
Term
Is the following procedure appropriate or inappropriate for the specimens placed in PVA preservative:
Direct Microscopic Exam |
|
Definition
|
|
Term
Is the following procedure appropriate or inappropriate for the specimens placed in PVA preservative:
Concentration Procedure |
|
Definition
|
|
Term
Is the following procedure appropriate or inappropriate for the specimens placed in Formalin preservative:
Permanent Stained Smear |
|
Definition
|
|
Term
Is the following procedure appropriate or inappropriate for the specimens placed in Formalin preservative:
Direct Microscopic Exam |
|
Definition
|
|
Term
Is the following procedure appropriate or inappropriate for the specimens placed in Formalin preservative:
Concentration Procedure |
|
Definition
|
|
Term
What is the primary purpose of the following:
Saline wet mount prepared from fresh specimen |
|
Definition
| Detecting Motile Trophozoites |
|
|
Term
What is the primary purpose of the following:
Permanent stained smear of fecal specimen |
|
Definition
| Detection & Identification of Protozoa |
|
|
Term
What is the primary purpose of the following:
Iodine Wet Mount (from concentrate) |
|
Definition
Detection & Identification of:
Protozoan cysts
Helminth eggs & larvae |
|
|
Term
| How many stool specimens should be submitted for "Ova & Parasite" exams? |
|
Definition
|
|
Term
| For "Ova & Parasite" exams, how often should the specimens be collected? |
|
Definition
|
|
Term
| What are Charcot-Leyden crystals? |
|
Definition
| Degradation products of eosinophils |
|
|
Term
Which protozoan stage is most likely to be present in:
Liquid Stools |
|
Definition
|
|
Term
Which protozoan stage is most likely to be present in:
Formed Stools |
|
Definition
|
|
Term
| Which Plasmodium species causes the most severe malaria? |
|
Definition
|
|
Term
What is the best specimen for diagnosing the following parasitic infections:
Pinworm |
|
Definition
|
|
Term
What is the best specimen for diagnosing the following parasitic infections:
Extraintestinal Amebiasis |
|
Definition
| Serology for E. histolytica ABYs |
|
|
Term
What is the best specimen for diagnosing the following parasitic infections:
Primary Aerobic Encephalitis |
|
Definition
|
|
Term
What is the best specimen for diagnosing the following parasitic infections:
Malaria |
|
Definition
| Thick & Think Blood Smears |
|
|
Term
How should the following specimen be handled/processed:
Liquid fecal specimen for motile trophozoites |
|
Definition
| Prepare saline wet mount and examine within 30 minutes of collection |
|
|
Term
How should the following specimen be handled/processed:
Liquid fecal specimen for "Ova & Parasites" |
|
Definition
| Examine within 30 minutes of collection; Place in preservatives if unable to examine immediately |
|
|
Term
How should the following specimen be handled/processed:
Fecal Specimen with urine |
|
Definition
| Reject and Request New Specimen |
|
|
Term
How should the following specimen be handled/processed:
Fecal specimen with Barium |
|
Definition
| Reject and Request New Specimen |
|
|
Term
How should the following specimen be handled/processed:
Fecal specimen with mineral oil |
|
Definition
| Reject and Request New Specimen |
|
|
Term
How should the following specimen be handled/processed:
Urine or Vaginal secretions for Trichomonas vaginalis |
|
Definition
| Examine immediately with a wet mount for motile trophozoites |
|
|
Term
What are the key characteristics of each of the following Plasmodium species:
P. vivax |
|
Definition
Enlarged RBCs infected
Schuffner's Dots
All forms typically present in blood films |
|
|
Term
What are the key characteristics of each of the following Plasmodium species:
P. malariae |
|
Definition
"Band" forms in infected RBC
All forms typically present in blood films
Schizont has rosette appearance |
|
|
Term
What are the key characteristics of each of the following Plasmodium species:
P. falciparum |
|
Definition
Crescent-shaped gametocytes
Multiple rings in RBCs are common
Rings & Gametocytes typically only stages present in blood films
Double Chromatin Dots in Ring Forms |
|
|
Term
| What stages are typically only present in blood films for P. falciparum? |
|
Definition
|
|
Term
What stains are appropriate for detecting/identifying the following organisms:
Plasmodium |
|
Definition
Giemsa preferred
-Wright stain acceptable |
|
|
Term
What stains are appropriate for detecting/identifying the following organisms:
Cryptosporidium |
|
Definition
Acid fast stains (modified, Kinyoun, Fluorescent)
Direct Fluorescent ABY (DFA)
-Can also be detected in Iodine/Saline Wet Mounts |
|
|
Term
What stains are appropriate for detecting/identifying the following organisms:
Entamoeba |
|
Definition
Trichrome
Iron-hematoxylin |
|
|
Term
What stains are appropriate for detecting/identifying the following organisms:
Giardia |
|
Definition
Trichrome
Iron-hematoxylin
Direct Fluorescent ABY (DFA)
-ELISA AGN Test is also available |
|
|
Term
Match the organism with the disease it typically causes:
Acanthamoeba |
|
Definition
|
|
Term
Match the organism with the disease it typically causes:
Giardia lamblia |
|
Definition
|
|
Term
Match the organism with the disease it typically causes:
Naegleria |
|
Definition
| Primary amebic encephalitis |
|
|
Term
Match the organism with the disease it typically causes:
Strongyloides stercoralis |
|
Definition
|
|
Term
Match the organism with the disease it typically causes:
Trichomonas hominis |
|
Definition
|
|
Term
Match the organism with the disease it typically causes:
Entamoeba coli |
|
Definition
|
|
Term
Match the organism with its parasite classification:
Entamoeba |
|
Definition
|
|
Term
Match the organism with its parasite classification:
Giardia lamblia |
|
Definition
|
|
Term
Match the organism with its parasite classification:
Strongyloides stercoralis |
|
Definition
|
|
Term
Match the organism with its parasite classification:
Trichomonas |
|
Definition
|
|
Term
Given the MO, give the key identification characteristics of its Troph:
Giardia lamblia |
|
Definition
2 Nuclei
Bilateral symmetry
Axonemes
Sucking Disk |
|
|
Term
Given the MO, give the key identification characteristics of its Cyst:
Giardia lamblia |
|
Definition
|
|
Term
Given the MO, give the key identification characteristics of its Nucleus:
Entamoeba histolytica |
|
Definition
Small, central karyosome
Evenly distributed peripheral chromatin |
|
|
Term
Given the MO, give the key identification characteristics of its Troph:
Entamoeba histolytica |
|
Definition
Purposeful motility (wet mount)
May contain RBCs (which are diagnostic)
Finely granular cytoplasm
15-20 m |
|
|
Term
Given the MO, give the key identification characteristics of its Cyst:
Entamoeba histolytica |
|
Definition
|
|
Term
Given the MO, give the key identification characteristics of its Nucleus:
Entamoeba coli |
|
Definition
| Large, usually eccentric karyosome |
|
|
Term
Given the MO, give the key identification characteristics of its Troph:
Entamoeba coli |
|
Definition
Heavily vaculated cytoplasm
20-25 m |
|
|
Term
Given the MO, give the key identification characteristics of its Cyst:
Entamoeba coli |
|
Definition
|
|
Term
Given the MO, give the key identification characteristics of its Rhabditiform larvae:
Strongyloides stercoralis |
|
Definition
Short Buccal Cavity
Prominent genital primordium |
|
|
Term
Given the MO, give the key identification characteristics of its Egg:
Enterobius vermicularis |
|
Definition
Embryonated
C-Shaped or Tadpole Larvae
"Jelly Bean" Shaped |
|
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