Coccidia (Lecture)

Front 1

Stool examination techniques for diagnosing coccidiasis

Back 1

Direct fecal smear and formalin ether concentration technique

Front 2

Confirmatory for diagnosis of coccidiosis

Back 2

Stool culture

Front 3

Only coccidia that is not host specific

Back 3

Toxoplasma gondii

Front 4

Order of coccidian life cycle

Back 4

Gametogony, sporogony, and schizogony

Front 5

Specific habitat of Isosporabelli

Back 5

Distal duodenum and proximal ileum

Front 6

Sporoblast undergo _ to multiply

Back 6

Mitosis

Front 7

Asexual and sexual stage are found in host

Back 7

True

Front 8

Syndrome associated with isospora belli

Back 8

Malabsorption syndrome

Front 9

Isospora belli may undergo dissemination in what condition?

Back 9

AIDS

Front 10

Where do you get aspiration sample for isospora belli diagnosis

Back 10

Duodenum

Front 11

Which produces a higher yield of organisms for diagnosis? Enterotest or Direct fecal smear?

Back 11

Eneterotest

Front 12

Time allowance before enterotest is examined

Back 12

24-48 hrs

Front 13

Findings in peripheral blood smear for coccidiosis

Back 13

Eosinophilia

Front 14

Drug of choice for isospora belli infection

Back 14

Trimethoprim-Sulfamethoxazole

Front 15

Pyrimethamine-Sulfadiazine is also used for treatment of Isospora belli

Back 15

True

Front 16

Cryptosporidium infects both humans and animals

Back 16

True

Front 17

Location of cryptosporidium in the intestine

Back 17

Brush border

Front 18

Disease caused by cryptosporidium in immunocompetent individuals

Back 18

Watery diarrhea

Front 19

Cryptosporidium infection with diarrhea > 2 weeks indicates?

Back 19

Malabsorption

Front 20

Cause of death in cryptosporidium infection

Back 20

Severe wasting (Cachexia)

Front 21

Subspecies of cryptosporidium

Back 21

hominis and parvum

Front 22

Stage of cryptosporidium passed in feces

Back 22

Thick-walled mature oocyst

Front 23

Gross finding in intestinal biopsy specimen of cryptosporidium

Back 23

Blunted microvilli

Front 24

Extraintestinal organs involved in cryptosporidium infection

Back 24

Gallbladder, Lungs, Conjunctiva

Front 25

Manifestation of cryptosporidium in the gallbladder

Back 25

Acute gangrenous cholecystitis

Front 26

Manifestations of cryptosporidium infection in the lungs

Back 26

Bronchiolitis, pneumonia, and dyspnea

Front 27

Acid fast staining method most often used for diagnosis of cryptosporidium

Back 27

Kinyoun method

Front 28

Hydration can be used as treatment for cryptosporidium infection

Back 28

True

Front 29

Chlorination of water can prevent cryptosporidium transmission

Back 29

False

Front 30

Drug used as treatment for cryptosporidium infection.

Back 30

Nitazoxanide

Front 31

Nitazoxanide for cryptosporodium infection is used in? Immunocompetent or immunodepressed individuals?

Back 31

Immunocompetent

Front 32

Cryptosporidium are distributed worldwide

Back 32

True

Front 33

Diagnostic stage of sarcocystis

Back 33

(Thin-walled) sporulated oocyst and sporocyst

Front 34

Sarcocystis in feces are immediately infective

Back 34

True

Front 35

Sporogony in sarcocystis happens in?

Back 35

Intermediate host (Intestine)

Front 36

Schizogony in sarcocystis happens in?

Back 36

Intermediate host (vessels)

Front 37

How many generatiosn if merozoites are produced in schizogony of sarcocystis

Back 37

3-4 generations

Front 38

Genaration of meronts that are mononucleated

Back 38

1st-2nd Generation

Front 39

Generation of meronts that are multinucleated

Back 39

3rd-4th generation

Front 40

Generation if meronts in endothelial cells of artery

Back 40

1st generation

Front 41

Generation of meronts in monocytes

Back 41

2nd generation

Front 42

Generation of meronts in capillaries

Back 42

4th generation

Front 43

Stage that follows merozoites

Back 43

Metrocytes

Front 44

Cysts of sarcocysts contain?

Back 44

Metrocytes or bradyzoites

Front 45

Characteristic shape of sporozoites of sarcocystis

Back 45

Teardrop

Front 46

Infective stage of sarcocystis

Back 46

Bradyzoites (and oocyst in immunocompromised)

Front 47

Gametogony of sarcocystis happens in?

Back 47

Definitive host (Intestine)

Front 48

Laboratory test conducted for diagnosis of sarcocystis

Back 48

Fecal floatation mount using bright field microscopy

Front 49

Stain used in diagnosis of sarcocystis

Back 49

H & E

Front 50

What form of sarcocystis is characterized by spontaneous resolution?

Back 50

Intestinal form

Front 51

Two forms of sarcocystis

Back 51

Intestinal and muscular

Front 52

Infective stage of intestinal form of sarcocystis

Back 52

Bradyzoites

Front 53

Infective form of muscular form of sarcocystis

Back 53

Oocyst

Front 54

Sarcocystis can be detected by PCR

Back 54

True

Front 55

Treatment for sarcocystis

Back 55

Co-trimethoxazole (and anti-inflammatories for muscular form)

Front 56

Role of humans in toxoplasma gondii

Back 56

Accidental host

Front 57

Intermediate host of toxoplasma gondii

Back 57

Animals (Except cat family)

Front 58

Where does toxoplasma gondii undergo sporulation?

Back 58

Environment

Front 59

Diagnostic stage of toxoplasma gondii

Back 59

Tachyzoites and bradyzoites

Front 60

Where does toxoplasma gondii undergo encystation?

Back 60

Neural and muscle tissue

Front 61

Clinical findings of congenital toxoplasmosis

Back 61

Hydrocephalus, Intracranial calcification, and Chorioretinitis

Front 62

Specific test used in diagnosis of toxoplasmosis

Back 62

Sabin feldman test

Front 63

Treatment for toxoplasmosis

Back 63

Pyrimethamine - sulfadiazine (with folinic acid)

Front 64

Treatment for toxoplasmosis in pregnancy

Back 64

Spiramycin (First four months)

Front 65

Spiramycin is substituted for what drug after the first four months of pregnancy?

Back 65

Pyrimethamine - sulfadiazine