Intestinal and Sexually Transmitted Protozoan Infections

Question 1

Characteristics of Protozoan

Answer 1

Unicellular
Eukaryotic
Free-living

Question 2

Two forms of Protozoa

Answer 2

Cyst form
Tropozoite

Question 3

Protective capsule against adverse condintions and external environment

Answer 3

Cyst form

Question 4

Feeding and growing stage

Answer 4

Trophozoite

Question 5

Asexual reproduction of Protozoans

Answer 5

Fission
Budding
Schizogomy

Question 6

Sexual reproduction of Protozoans

Answer 6

Conjugation
Sporogony - Sporozoan

Question 7

Giardia lamblia

Answer 7

Giardia duodenalis/intestinalis

Question 8

Disease caused by Giardia lamblia

Answer 8

Giardiasis/Beaver Fever/Leningrad’s Curse

Question 9

2 Forms of Giardia lamblia

Answer 9

Trophozoite
Cyst

Question 10

Trophozoite form of G. lamblia

Answer 10

Heart-shaped
4 flagella
Old man’s eyeglasses appearance ✰

Question 11

Cyst form of G. lamblia

Answer 11

Passed into colon and stools

Question 12

Giardiasis S/S

Answer 12

Greasy, frothy, foul smelling diarrhea with rotten egg odor
Abdominal cramps

Question 13

Mode of transmission of G. lamblia

Answer 13

Direct fecal contamination
Oral-anal sex
Ingestion of cyst

Question 14

Disease occurs in backpackers who drink in untreated wilderness water

Answer 14

Giardiasis

Question 15

Treatment of Giardiasis (Giardia lamblia)

Answer 15

Metronidazole

Question 16

Disease caused by Entamoeba histolytica

Answer 16

Amebiasis/Amebic dysentery

Question 17

Cyst form of E. histolytica

Answer 17

Chromatoid bodies
Rounded ends
Sausage shaped
Cigar shaped

Question 18

Nucleus of immature cyst of E. histolytica

Answer 18

1-3 nuclei

Question 19

Nucleus of mature cyst of E. histolytica

Answer 19

4 nuclei

Question 20

Trophozoite form of E. histolytica

Answer 20

Invade intestinal epithelium and forms ulcers wgile ingesting RBC

Question 21

Transmission of E. histolytica

Answer 21

Food and water contaminated by cyst

Question 22

Treatment of Amebiasis

Answer 22

Metronidazole

Question 23

Large ciliated protozoa that can affect humans

Answer 23

Balantidium coli

Question 24

Disease caused by Balantidium coli

Answer 24

Balantidiasis

Question 25

Animal reservoir of Balantidium coli

Answer 25

Swine or Pigs

Question 26

Balantidium coli is transmitted through

Answer 26

✰ Ingestion of food with pig feces or cyst

Question 27

Treatment of Balantidium coli

Answer 27

Metronidazole Tetracycline

Question 28

Causes Cryptosporidiosis or Crypto

Answer 28

Cryptosporidium hominis

Question 29

Infect intestine of immunocompromised patients (AIDS) and Severe, intractable diarrhea (Cholera-like)

Answer 29

Cryptosporidium hominis

Question 30

Mode of transmission of C. hominis

Answer 30

Ingestion of oocyst by inhabiting the brush border of mucosal eithelial cell of GI tract/SI ✰

Question 31

Sexually Transmitted Protozoan Infection

Answer 31

Trichomonas vaginalis

Question 32

An anaerobe protozoan inhabits in Vagina in urethra

Answer 32

Trichomonas vaginalis

Question 33

Disease caused by Trichomonas vaginalis

Answer 33

Trichomoniasus/Trich

Question 34

Characteristics of T. vaginalis

Answer 34

Exists only as trophozoite form 5 flagella (4 flagella on one side) Undulating membrane - mobility Axostyle - rod used for attachment and cause injury ✰

Question 35

Signs and symptoms of trichomoniasis

Answer 35

Greenish-yellow, foul odor discharge Irritation and itching Strawberry cervix Burning sensation during urination

Question 36

Treatment for Trichomoniasis

Answer 36

Metronidazole (Flagyl)

Question 36

Treatment for Trichomoniasis

Answer 36

Metronidazole (Flagyl)