15 Questions
Match the following with their respective characteristics in parasitology samples:
Plasmodium spp. stages = Resemblance: Human white blood cells Strongyloides stercoralis worm = Size range: 8-65 m, Average size: 12-25 m Hookworm filariform larvae = Nucleus: 2–4 segments connected by narrow, short chromatin bands; 15um Vegetable Cells = Exhibits a smooth cytoplasm; does not contain inclusions
Match the following confusers/artifacts with their descriptions:
Human Cell Confusers = Resemblance: Polymorphonuclears Plant Origin Confusers = Contains cytoplasmic inclusions like ingested red blood cells, and other fecal debris Yeast, Fungal & Algal material Confusers = These are remnants of ciliated epithelial cells that may be seen from sputum and stool samples Pollen Grains = May be confused with ciliates and flagellates
Match the following with their respective sizes in parasitology samples:
Plasmodium spp. stages = 12-18um Strongyloides stercoralis worm = 8-65 m Hookworm filariform larvae = 15um Pollen Grains = Average size: 12-25 m
Match the following descriptions with the correct item:
Vegetable Cells = Interior structures are unorganized and often appears to consist primarily of vacuoles; average size: up to 150 um Pollen Grain = Nonuniform cell wall; no notable internal structure Hookworm filariform larvae = Do not have head or tail regions; ladder-like appearance that consists of a series of rungs that are spaced closely together Strongyloides stercoralis worm = Characterized by the presence of budding
Match the following items with their distinguishing characteristic:
Plasmodium spp. stages = Contains kinetoplast bar structure Beaver Bodies = Leaf structure from algal origin Histoplasma capsulatum = Halo structure around the organism Vegetable Cells = Interior structures are unorganized and often appears to consist primarily of vacuoles
Match the following items with their resemblance:
Pollen Grain = Bee pollen; absence of internal structure; unsymmetrical cell wall Strongyloides stercoralis worm = May resemble trematode; possible contamination of fecal sample Hookworm filariform larvae = Plant Material Resemblance: Ascaris lumbricoides ova Vegetable Cells = May be confused with helminth ova
Match the following sizes with the correct item:
Pollen Grain = Size range: 85-95 um by 38-45 um Beaver Bodies = Average size: 7-10 um Vegetable Cells = Average size: up to 150 um Strongyloides stercoralis worm = Size range: 5-12 um
Match the following items with their internal structures:
Plasmodium spp. stages = More distinct internal structures Vegetable Cells = Absence of definite interior structures Histoplasma capsulatum = Further examination reveals the absence of a karyosome or peripheral chromatin Pollen Grain = No notable internal structure
Match the following items with their resemblance:
Histoplasma capsulatum = Resemblance: Leishmania donovani bodies Pollen Grain = Yeast, Fungal & Algal material Budding Yeast Resemblance: Entamoeba hartmanni cyst Vegetable Cells = Psorospermium haeckelii may be confused with helminth ova Strongyloides stercoralis worm = Characteristically distinguished by the presence of budding
Match the following descriptions with the correct organism or material:
Exhibits 'ring' structure = Malarial Ring Form Clumped or fused platelets in various shades of purple = Mature Schizonts Does not absorb iodine stain; no internal structures, buccal cavity = Strongyloides stercoralis worm Stain deposition on the surface of uninfected RBCs = Stain Precipitates
Match the following with their resemblance or characteristics:
Root Hairs Resemblance = Plant Material Platelet on RBC surface revealing different shades of purple staining color = Howell-Jolly Body May be confused with spirochetes; anticoagulated blood sample left at room temperature = Exflagellation of Plasmodium vivax microgametocytes Pollen Grains & Resemblance = Taenia spp.
Match the following features with the correct category:
More definite and detailed interior structure = Mature Schizonts Does not demonstrate motility in direct wet mount = Strongyloides stercoralis worm Clumped Platelets = Precipitates Absence of characteristic ring structure = Malarial Ring Form
Match the following organisms with their primary characteristics:
Plant Origin Plant Material = Vegetable Cells Platelet on RBC surface may reveal different shades of purple staining color = Howell-Jolly Body An anticoagulated blood sample with the organism present, left at room temperature = Exflagellation of Plasmodium vivax microgametocytes Pollen Grains & Resemblance = Taenia spp.
Match the following findings with their corresponding entity:
Clumped or fused platelets appear in various shades of purple; less definite structural outlines = Mature Schizonts No internal structures, buccal cavity; does not demonstrate motility in direct wet mount = Strongyloides stercoralis worm Stain deposition on the surface of uninfected RBCs that could easily be confused with developing Plasmodium spp. stages = Stain Precipitates Does not absorb iodine stain; no internal structures, buccal cavity = Strongyloides stercoralis worm
Match the following resemblances with their corresponding entity:
Root Hairs Resemblance = Plant Material Clumped or fused platelets in various shades of purple = Mature Schizonts May be confused with spirochetes; anticoagulated blood sample left at room temperature = Exflagellation of Plasmodium vivax microgametocytes Pollen Grains & Resemblance = Taenia spp.
Test your knowledge on identifying microscopic structures such as egg, pollen grain, and larvae based on their characteristics and resemblance to plant materials. Learn to differentiate between various structures like trichuris trichuria egg, hookworm filariform larvae, and vegetable cells.
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