sporozoa to babesia Flashcards

1
Q

Gametogony of Plasmodium species takes place in the:

A

intermediate host-humans

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2
Q

What is the infective stage of Plasmodium species to the mosquito vector?

A

gametocytes

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3
Q

what stage of Plasmodium species is responsible for the relapsing malaria cases?

A

hypnozoites

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4
Q

multiple infections are seen in the peripheral blood smear

A

p. falciparum

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5
Q

infected red cells have fimbriations

A

p. ovale

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6
Q

has the highest number of merozoites in Schizonts

A

p. vivax

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7
Q

band forms of trophozoites

A

malariae

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8
Q

Maurer’s dots

A

p. falciparum

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9
Q

Schuffner’s dots

A

vivax and/or ovale

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10
Q

James’ dots

A

ovale

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11
Q

Ziemann’s dots

A

p. malariae

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12
Q

crescent shaped gametocytes

A

malignant tertian malaria

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13
Q

rosette formation of merozoites in schizonts

A

benign quartan malaria

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14
Q

infected red cells are larger than the unaffected red cells

A

benign tertian malaria

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15
Q

Which of the following choices shows the correct order of malarial paroxysm?

a. sweating-hot-cold
b. cold-sweating-hot
c. hot-sweating-cold
d. cold-hot-sweating

A

d. cold-hot-sweating

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16
Q

the interval between the malarial paroxysms corresponds to the length of:

A

erythrocytic schizogony

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17
Q

Giemsa stain imparts what color to the cytoplasm of Plasmodium species?

A

blue

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18
Q

What is the interval of malarial paroxysms in infected caused by P. malariae in hours?

A

72

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19
Q

Headphone appearance of ring stage is seen in infection with _________

A

p. falciparum

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20
Q

infective stage of malaria to humans

A

sporozoite stage

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21
Q

multinucleated structure and a product of schizogony

A

schizont

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22
Q

exoerythrocytic schizogony meaning:

A

outside RBC

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23
Q

Erythrocytic schizogony, exo-erythrocytic schizogony, and gametogony are ______ process of reproduction in mosquito

A

asexual reproduction

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24
Q

intermediate host of malaria

25
definitive host of malaria
Anopheles mosquito
26
eccentric nucleus
macrogametocytes
27
Granule-looking structures of the cytoplasm of the infected RBC
stipplings
28
a protein composed of amino acids and will be used up by the parasite
globin
29
a disposal product formed from the digestion of hemoglobin; insoluble crystallin form; can trigger inflammatory response
hemozoin
30
T or F: The immature RBCs are larger than older RBCs
YES TRUE immats = daks
31
smaller Infected RBC
falciparum & malariae
32
Ring has scanty cytoplasm (minimal volume) connected to one chromatin dot; with applique appearance
p. falciparum
33
presence of schizonts and malarial pigment in the blood sample is an indication of _____ infection
severe
34
you cannot find the schizont stage in the _________ since they are in the blood vessels, only allowing the ring stage and gametocytes to be seen.
capillary blood smear
35
Appearance of “knobs” with adhesive proteins:
1. Rosettins 2. Riffins 3. Histidine-rich protein 4. Plasmodium falciparum erythrocyte membrane protein 1 (PfEMP-1)
36
Single mass of chromatin dot:
macrogametocyte
37
characteristics of what parasite: - Multiple infection - Banana appearance of gametocyte - Has an applique appearance - Has a headphone-shaped appearance
p. falciparum
38
Infected red cell of p. ovale is larger than unaffected red cells because of its ______ appearance
fimbriated appearance RBC
39
has an amoeboid cytoplasm; schuffner’s dots; no multiple infection
p. vivax
40
has the highest number of merozoites
p. ovale
41
Old and small red cells; Ziemann’s dots
Plasmodium malariae
42
Rosette form arranged around a central block of pigment (hematin)
schizont of p. malariae
43
Group of signs and symptoms that will occur to the patient and has 3 stages
paroxysms
44
has a tertian malaria pattern
Plasmodium vivax | Plasmodium ovale
45
________ malaria is when the patient becomes symptomatic again in day 4
quartan malaria in p. malariae
46
has the shortest incubation period (8-15 days) and prepatent period (11-14 days)
P. falciparum
47
Longest incubation period (18-40 days) and prepatent period (3-4 weeks)
P. malariae
48
this is an interval between sporozoite injection and the appearance of clinical symptoms
INCUBATION PERIOD
49
Originally known to cause simian malaria
Plasmodium knowlesi
50
reservoir hosts of p. knowlesi
long-tailed macaque (Macaca fascicularis), pig-tailed macaque (Macaca nemestrina) banded leaf monkey (Presbytis melalophos)
51
_______ malaria tends to have fevers that spike every 24 hours and is called "daily" or “quotidian” malaria
P. knowlesi
52
cerebral gray mater infarction caused by:
p. falciparum
53
_______ smears are composed of layers of dehemoglobinized (lysed) red blood cells (RBCs)
thick film smears
54
Infection of RBC often producing febrile illness
Babesiosis
55
do not produce gametocytes and pigment
babesia
56
Evidence of Maltese cross formation
Babesia microti infection
57
Tick vector of Babesia
Ixodes scapularis
58
treatment for babesiosis
clindamycin plus quinine or atovaquone plus azithromycin