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DTMH - Parasitology & Entomology Slides > Malaria > Flashcards

Malaria Flashcards

1
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Trophozoite
  3. Features
    * Amoeboid trophozoite
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Schuffner’s dots
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2
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Ring-form trophozoite
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Sturdy cytoplasm with a large chromatin dot
    * Enlarged infected red blood cell
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3
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Schizont (likely immature)
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * 6-14 merozoites which is within the range for P. ovale
    * Slightly enlarged infected red blood cell
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4
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Gametocyte
  3. Features
    * Solid gametocyte filling most of the entire red blood cell
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Scattered pigment throughout
    * Schuffner’s dots
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5
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Ring-form trophozoite
  3. Features:
    * Multiply infected red blood cells with ring-form trophozoites containing thin cytoplasm with double chromatin dots
    * Presence of Maurer’s clefts
    * Infected red blood cells are approximately the same size as uninfected red blood cells
    * High parasitemia

Falc

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6
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Gametocyte
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Gametocyte fills infected red blood cell
    * Scattered pigment
    * Single nucleus
    * Slightly enlarged infected red blood cell
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7
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Schizont
  3. Features
    * Schizont containing 12-24 merozoites filling red blood cell
    * Pigment clumped in 1 or more masses
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
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8
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Gametocyte
  3. Features:
    * Characteristic crescent-shaped gametocyte 1.5x the size of an uninfected red blood cell containing chromatin in a single mass (or may be scattered in microgametocytes)
    * Presence of Laveran’s bulb
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9
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Trophozoite
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Compact trophozoite
    * Enlarged infected red blood cell
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10
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Gametocyte
  3. Features:
    * Infected red blood cell that is smaller than uninfected red blood cells
    * Gametocyte fills the red blood cell
    * Scattered dark pigment
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11
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Gametocyte
  3. Features:
    * Characteristic crescent-shaped gametocyte 1.5x the size of an uninfected red blood cell containing chromatin in a single mass (or may be scattered in microgametocytes)
    * Presence of Laveran’s bulb
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12
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Ring-form trophozoite
  3. Features:
    * Multiply infected red blood cells with ring-form trophozoites containing thin cytoplasm with double chromatin dots
    * Presence of Maurer’s clefts
    * Infected red blood cells are approximately the same size as uninfected red blood cells
    * High parasitemia
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13
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Ring-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * ‘Birds eye’ appearance of the ring-form
    * Chromatin dot and a cytoplasm ring
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14
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Schizont
  3. Features:
    * Schizont containing merozoites (8-24 for F. falciparum)
    * Schizont fills approximately 2/3 of the infected red blood cell
    * Chromatin in a single mass
    * Infected red blood cell is approximately the same size as uninfected red blood cells
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15
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Basket-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * Characteristic basket form that is oval-shaped with a vacuole
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16
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Trophozoite
  3. Features
    * Amoeboid trophozoite
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Schuffner’s dots
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17
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Schizont
  3. Features:
    * Between 6-12 merozoites which is the range for P. malariae
    * Characteristic rosette pattern of merozoites
    * PIgment may be coarse and scattered
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18
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Gametocyte
  3. Features:
    * Infected red blood cell that is smaller than uninfected red blood cells
    * Gametocyte fills the red blood cell
    * Scattered dark pigment
19
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Gametocyte
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Gametocyte fills infected red blood cell
    * Scattered pigment
    * Single nucleus
    * Slightly enlarged infected red blood cell
20
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Gametocyte
  3. Features
    * Solid gametocyte filling most of the entire red blood cell
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Scattered pigment throughout
    * Schuffner’s dots
21
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Gametocyte
  3. Features
    * Solid gametocyte filling most of the entire red blood cell
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Scattered pigment throughout
    * Schuffner’s dots
22
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Band-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * Characteristic band form with cytoplasm elongated across the cell
23
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Ring-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * ‘Birds eye’ appearance of the ring-form
    * Chromatin dot and a cytoplasm ring
24
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Basket-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * Characteristic basket form that is oval-shaped with a vacuole
25
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Trophozoite
  3. Features
    * Amoeboid trophozoite
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Schuffner’s dots
26
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Ring-form trophozoite
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Sturdy cytoplasm with a large chromatin dot
    * Enlarged infected red blood cell

Vivax

27
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Schizont
  3. Features
    * Schizont containing 12-24 merozoites filling red blood cell
    * Pigment clumped in 1 or more masses
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
28
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Schizont
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * 6-14 merozoites which is within the range for P. ovale
    * Slightly enlarged infected red blood cell
29
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Schizont
  3. Features:
    * Schizont containing merozoites (8-24 for F. falciparum)
    * Schizont fills approximately 2/3 of the infected red blood cell
    * Chromatin in a single mass
    * Infected red blood cell is approximately the same size as uninfected red blood cells

Malariae

30
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Band-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * Characteristic band form with cytoplasm elongated across the cell
31
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Schizont
  3. Features:
    * Schizont containing merozoites (8-24 for F. falciparum)
    * Schizont fills approximately 2/3 of the infected red blood cell
    * Chromatin in a single mass
    * Infected red blood cell is approximately the same size as uninfected red blood cells
32
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Schizont
  3. Features:
    * Between 6-12 merozoites which is the range for P. malariae
    * Characteristic rosette pattern of merozoites
    * PIgment may be coarse and scattered
33
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Trophozoite
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Compact trophozoite
    * Enlarged infected red blood cell
34
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Basket-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * Characteristic basket form that is oval-shaped with a vacuole
35
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Schizont
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * 6-14 merozoites which is within the range for P. ovale
    * Slightly enlarged infected red blood cell
36
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Trophozoite
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Compact trophozoite
    * Enlarged infected red blood cell
37
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Ring-form trophozoite
  3. Features:
    * Multiply infected red blood cells with ring-form trophozoites containing thin cytoplasm with double chromatin dots
    * Presence of Maurer’s clefts
    * Infected red blood cells are approximately the same size as uninfected red blood cells
    * High parasitemia
38
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium ovale
  2. Gametocyte
  3. Features:
    * Fimbriation
    * Schuffner’s dots
    * Gametocyte fills infected red blood cell
    * Scattered pigment
    * Single nucleus
    * Slightly enlarged infected red blood cell
39
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Schizont
  3. Features:
    * Between 6-12 merozoites which is the range for P. malariae
    * Characteristic rosette pattern of merozoites
    * PIgment may be coarse and scattered
40
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium falciparum
  2. Gametocyte
  3. Features:
    * Characteristic crescent-shaped gametocyte 1.5x the size of an uninfected red blood cell containing chromatin in a single mass (or may be scattered in microgametocytes)
    * Presence of Laveran’s bulb
41
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Gametocyte
  3. Features:
    * Infected red blood cell that is smaller than uninfected red blood cells
    * Gametocyte fills the red blood cell
    * Scattered dark pigment
42
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Band-form trophozoite
  3. Features:
    * Infected red blood cell smaller than uninfected red blood cells
    * Characteristic band form with cytoplasm elongated across the cell
43
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium malariae
  2. Schizont
  3. Features:
    * Between 6-12 merozoites which is the range for P. malariae
    * Characteristic rosette pattern of merozoites
    * PIgment may be coarse and scattered
44
Q
  1. Identify the species of the parasite shown in the image
  2. What is the stage?
  3. Describe two features which support this diagnosis
A
  1. Plasmodium vivax
  2. Gametocyte
  3. Features
    * Solid gametocyte filling most of the entire red blood cell
    * Enlarged red blood cell 1.5-2x the size of uninfected cells
    * Scattered pigment throughout
    * Schuffner’s dots

DTMH - Parasitology & Entomology Slides (20 decks)

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