Protozoa 1

Question 1

Giardia intestinalis - geografic distribution

Answer 1

cosmopolitan

Question 2

Giardia intestinalis - infective stage

Answer 2

cyst

Question 3

Giardia intestinalis - name of the disease

Answer 3

giardiasis

Question 4

Giardia intestinalis - route of transsmision

Answer 4

Direct person to person
Feca-oral route
Sexual: oral-anal and oral-genital practises

Swallowing recreational water or anything that is contaminated with feces of animal/person infected with Giardia.

Question 5

Giardiasis acute - incubation period

Answer 5

incubation period of 5 to 6 days and usually lasts 1 to 3 weeks

Question 6

Giardiasis acute - symptoms

Answer 6

diarrhea, abdominal pain, bloating, nausea, and vomiting

Question 7

Giardiasis two forms:

Answer 7

acute and chronic

Question 8

Giardiasis chronic - symptoms

Answer 8

Malabsorption and debilitation may occur

Question 9

Giardia intestinalis -

Laboratory Diagnosis

Answer 9

• Identification of cysts in the feces
• Samples of duodenal fluid or duodenal biopsy may demonstrate trophozoites
• Antigen detection tests by enzyme immunoassays, and detection of parasites by immunofluorescence.

Question 10

Giardia intestinalis - prevention

Answer 10

Don’t drink water from streams and lakes, without boiling

Do not brush teeth with contaminated water

Cook everything you eat

wash hands after contact with pets, diapers, before eating food.

Question 11

Trichomonas vaginalis - geografic distribution

Answer 11

cosmopolitan

Question 12

Trichomonas vaginalis - infecting stage

Answer 12

trophozoite

Question 13

Name of disease cause by Trichomonas vaginalis

Answer 13

trichomoniasis

Question 14

Trichomonas vaginalis - where does the parasite reside?

Answer 14

In the female lower genital tract

In the male urethra and prostate - where it replicates by binary fission

Question 15

Types of Trichomoniasis:

Answer 15

acute
chronic
asymptomatic

Question 16

Trichomoniasis

acute - in females symptoms:

Answer 16

vaginal discharge is typically frothy, yellow or green, and mucopurulent

abdominal pain

dysuria and dyspareunia

Excess of white blood cells seen on a wet mount preparation of vaginal discharge
Motile trichomonads in the wet mount preparation Vaginal pH above 5

Question 17

Trichomoniasis

chronic - symptoms

Answer 17

mild symptoms
pruritus
dyspareunia