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CLS 307 > Lab Quiz 3 > Flashcards

Lab Quiz 3 Flashcards

1
Q
A

Sickle cell or hemoglobin S

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2
Q
A

Hemoglobin C
Rectangular hemoglobin crystals

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3
Q
A

Hemoglobin SC
Irregular crystals, sickle cells, target cells

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4
Q
A

Hemoglobin E
MCV = 58; Hb = 13.5
Non-specific target cells

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5
Q
A

Neonate “kiddie” lymphs

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6
Q
A

Small naive lymphocytes

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7
Q
A

Normal lymphocytes

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8
Q
A

Reactive lymphocyte

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9
Q
A

Atypical lymphocyte

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10
Q
A

Reactive lymphocyte

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11
Q
A

Monocyte

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12
Q
A

Anaplasma phagocytophilum
Rodents natural hosts
Fever, severe headache, muscle pain, malaise
<1% fatal
Morula in neutrophils

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13
Q
A

Ehrlichia chaffeensis
Deer natural hosts
Fever and chills, severe headache, muscle pain, rash
3% fatal
Morula in monocytes

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14
Q
A

Bacteria
Bacilli, cocci, spirochete
Bacteria stain blue-purple with romanowsky stains
Rarely present in high enough numbers to be seen on peripheral blood smears

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15
Q
A

Fungi
Yeast: candida, cryptococcus, malassezia furfur
Dimorphic fungi: histoplasma capsulatum, penicillium marneffei

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16
Q
A

Candida albicans
Normal flora
Common cause of health-care associated sepsis
40-60% fatality
Causes respiratory infections and thrush

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17
Q
A

Histoplasma capsulatum
Biphasic mold
Environmental in nitrogen rich soil
Infection is problematic for immuno-compromised persons
Indicator of aids

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18
Q
A

Babesia microti

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19
Q
A

Babesia
Pyriform shapes
Teardrop pairs

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20
Q
A

Babesia
May form tetras or “Maltese crosses”
Not seen in malaria

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21
Q
A

Babesia
Cases with very high parasitemias may occur as extracellular aggregates
Can be confused with schizonts of plasmodia

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22
Q

A classical malaria attack lasts how long and consists of what?

A

6-10 hours
Consists of:
A cold stage (shivering)
A hot stage (fever, headaches, vomiting; seizures in young children)
A sweating stage (sweats, normal temp., tiredness)

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23
Q

What are 3 severe forms of malaria

A

Black water fever
Cerebral malaria
Severe anemia

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24
Q

What is the stain of choice for malaria parasites

A

Giemsa stain

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25
Q

What is an alternative to Giemsa stain

A

Wright stain

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26
Q

What does not show with a wright stain?

A

Schuffner’s dots

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27
Q

What kind of ph shows Schuffner’s dots better

A

Basic

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28
Q
A

Malaria P. vivax with wright stain
No Schuffner’s dots

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29
Q
A

Malaria P. vivax with Giemsa stain
Visible Schuffner’s dots

30
Q
A

Malaria
P. falciparum

31
Q
A

Malaria - P. falciparum ring stage

32
Q
A

Malaria - P. vivax ring stage

33
Q
A

Malaria - P. malariae ring stage

34
Q
A

Malaria - P. oval ring stage

35
Q
A

Malaria - P. falciparum trophozoite stage

36
Q
A

Malaria - P. vivax trophozoite stage

37
Q
A

Malaria - P. malariae trophozoite stage

38
Q
A

Malaria - P. oval trophozoite stage

39
Q
A

Malaria - P. falciparum schizont stage

40
Q
A

Malaria - P. vivax schizont stage

41
Q
A

Malaria - P. malariae schizont stage

42
Q
A

Malaria - P. oval schizont stage

43
Q
A

Malaria - P. falciparum gametocyte stage

44
Q
A

Malaria - P. vivax gametocyte stage

45
Q
A

Malaria - P. malariae gametocyte stage

46
Q
A

Malaria - P. oval gametocyte stage

47
Q
A

P. falciparum ring stage
Accolade cell can kill within 48 hours

48
Q
A

P. falciparum gametocytes

49
Q
A

Malaria rings

50
Q
A

Malaria trophozoites

51
Q
A

Malaria Trophozoites

52
Q
A

Malaria gametocytes

53
Q
A

Trypomastigote

54
Q
A

Trypanosoma brucei

55
Q
A

Trypanosoma cruzi
Holds feces
Common on US borders
More “S” shaped

56
Q
A

Sickle cell
Often found with nucleated RBCs, target cells, and Howell-jolly bodies

57
Q
A

Hemoglobin C
Rod-shaped cells
Often has spherocytes and target cells

58
Q
A

Hemoglobin SC
Folded RBCs → look for crystals
Odd shapes → kind of look like schistocytes

59
Q
A

Hemoglobin H

60
Q
A

Hemoglobin Bart’s hydrops fetalis syndrome

61
Q
A

B- thalassemia minor
Hypochromic, microcytic
Minor anemia
2 alleles missing
Usually contains target cells

62
Q
A

Beta thalassemia intermedia
Contains nucteated RBCs and target cells
Treatment needed

63
Q
A

B- thalassemia major (Cooley’s anemia)
Will need a blood transfusion
Can have elevated or normal cell count

64
Q
A

Reactive lymphocytes

65
Q
66
Q
A

Infectious mononucleosis (“kissing disease”)
Increased lymphocytes
T-cells kill infectious B-cells
Epstein-barr virus

67
Q
A

Viral infection
High lymphocyte count or low neutrophil count
Atypical lymphocytes

68
Q
A

Pertussis “whooping cough”
Atypical lymph’s

69
Q
A

Serum sickness
Dark blue cytoplasm
B-lymph
Crystallized antibody
Plasma cytoid

70
Q
A

Platelets and platelet agglutination

71
Q
A

Megakaryocyte fragments
Fragments and nRBCs

CLS 307 (21 decks)

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