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Questions and Answers
What is the term used to describe the life cycle stage of `Trichomonas` that is present in all stages of the life cycle?
What is the term used to describe the life cycle stage of `Trichomonas` that is present in all stages of the life cycle?
Trophozoite
The disease caused by Trichomonas vaginalis is considered a common STD (Sexually Transmitted Disease).
The disease caused by Trichomonas vaginalis is considered a common STD (Sexually Transmitted Disease).
True
What is the genus name associated with bovine trichomoniasis?
What is the genus name associated with bovine trichomoniasis?
Tritrichomonas
What kind of amoeba is known as the "brain-eating amoeba"?
What kind of amoeba is known as the "brain-eating amoeba"?
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Which of the following is NOT a common symptom of trichomoniasis in women?
Which of the following is NOT a common symptom of trichomoniasis in women?
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What is the most common site of infection for trichomoniasis in women?
What is the most common site of infection for trichomoniasis in women?
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Amoebic dysentery, a severe form of amoebiasis, is caused by Entamoeba coli.
Amoebic dysentery, a severe form of amoebiasis, is caused by Entamoeba coli.
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Which of the following diagnostic methods is considered the "gold standard" for diagnosing trichomoniasis?
Which of the following diagnostic methods is considered the "gold standard" for diagnosing trichomoniasis?
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All three forms of Naegleria fowleri (cyst, amoeboid trophozoite, and flagellate trophozoite) are present in cerebrospinal fluid.
All three forms of Naegleria fowleri (cyst, amoeboid trophozoite, and flagellate trophozoite) are present in cerebrospinal fluid.
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What is the term used to describe the type of environment in which the brain-eating amoeba thrives?
What is the term used to describe the type of environment in which the brain-eating amoeba thrives?
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What is the common name for granulomatous amoebic encephalitis (GAE)?
What is the common name for granulomatous amoebic encephalitis (GAE)?
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What are the two infective forms of Acanthamoeba?
What are the two infective forms of Acanthamoeba?
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Acanthamoeba encephalitis is a commonly diagnosed brain infection worldwide.
Acanthamoeba encephalitis is a commonly diagnosed brain infection worldwide.
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What is the name of the amoeba that is most often associated with eye infections?
What is the name of the amoeba that is most often associated with eye infections?
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Study Notes
Trichomonadida Trichomonas
- No cyst stage is present
- This species exists only as a trophozoite form
Trichomonas Species
- T. vaginalis
- T. hominis
- T. tenax
- Locations include oral, vaginal, prostatic, and intestinal tracts
Trichomonas Species Pathogenicity
- T. tenax: Found in oral gingival and tracheobronchial sites, considered nonpathogenic
- Pentatrichomonas hominis: Found in the intestinal tract, considered nonpathogenic
- T. foetus: Causes bovine trichomoniasis, is invasive to the fetus (placenta, fetal lung, gut, lymph nodes), and causes abortions in infected cattle
- Prevalence of vaginal trichomoniasis in some African populations is between 11-25%
Trichomoniasis
- STD spread through sexual intercourse
- Most common infection site is the vagina in women and the urethra (urine canal) in men
- Incubation period is 4 to 4 weeks
Laboratory Diagnosis
- Microscopic examination of vaginal or urethral discharge for jerky motility and characteristic shape
- Saline wet mount preparation
- Trophozoites can be found in urine or prostatic secretions in males
- Staining with acridine orange, papanicolaou, or giemsa stains
- Direct fluorescent antibody (DFA) is more sensitive
- Culture is recommended if direct microscopy is negative and is considered the gold standard (95% sensitive)
Trichomoniasis Symptoms (Females)
- Abundant, frothy vaginal discharge ranging in color from gray to green to yellow, watery or milky consistency
- Foul odor
- Itching around the vagina
- Pain during sex and urination
Trichomoniasis Symptoms (Males)
- Mild urethral itching
- Pain during urination
- Pain during sex
- Prostate gland inflammation
Trichomonas Vaginalis Discovery
- Little information is described about the discovery of Trichomonas vaginalis between 1934 and 1939 by Procaccini
Treatement
- Metronidazole (Furazol)
- Tinidazole (Fasigyn)
- Secnidazole (Flagentyl)
- Both sexual partners should be treated at the same time, even if one partner shows no symptoms
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Description
Explore the characteristics and pathogenicity of Trichomonas species in this quiz. Understand the nonpathogenic and pathogenic forms as well as their prevalence in different populations. Test your knowledge on the laboratory diagnosis methods for trichomoniasis.
