Systemic or blood-borne parasitic infections are diagnosed by demonstrating the diagnostic stage(s) of the responsible parasite(s) in which type of specimen?
Urine
Fecal
Sputum
Blood
= Blood
Blood specimens may contain which of the following parasites?
Enterobius vermicularis
Plasmodium
Trichomonas vaginalis
Ascaris lumbricoides
= Plasmodium
What is essential for obtaining adequate smears for examination from blood specimens?
Using anticoagulated blood
Collecting capillary blood
Collecting venipuncture blood
Proper collection and handling
= Proper collection and handling
Blood smears for parasite examination can be prepared from which type of blood collection?
= Fresh whole blood without anticoagulant = Venipuncture collection with anticoagulant
What is important to ensure during the collection of blood specimens for parasite study?
= Aseptic technique
Blood specimens for parasite study should be collected in tubes containing which substance?
= Ethylenediaminetetraacetic acid (EDTA)
Which type of blood smear provides the best view of malarial parasites for species identification?
= Thin smear
Which stain is the preferred stain for species identification of blood parasites?
= Giemsa stain
The Knott technique is used to concentrate blood specimens suspected of containing low numbers of which type of parasites?
= Microfilariae
Buffy coat slides for examination can be prepared by centrifuging whole blood to extract which component?
= White blood cells
What is the recommended time frame for preparing blood smears for malaria examination after collection?
= Within 1 hour
Which stain is commonly used for the detection of blood parasites, such as Leishmania and Trypanosoma?
= Giemsa stain
What is the purpose of preparing thick smears in blood parasite examination?
= Detection of low parasite numbers
Which staining technique is commonly used for the identification of malaria parasites?