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Read the following text and answer the following questions on the basis of the same:
The term sexually transmitted disease (STD) is applied to the group of diseases that spread by sexual contact. Some infections like hepatitis-B and HIV can spread by sharing injection needles, surgical instruments etc. Except for hepatitis-B, HIV infections, genital herpes, most of the STDs are completely curable if detected early and treated properly. Though all persons are vulnerable to these infections, their incidences are high in the age group of 15-24 years.
Which among the following STDs is caused by a protozoan ?
  • a)
    Syphilis
  • b)
    Gonorrhoea
  • c)
    Chlamydiasis
  • d)
    Trichomoniasis.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Read the following text and answer the following questions on the bas...
Trichomoniasis is a very common sexually transmitted disease (STD). It is caused by infection with a protozoan parasite called Trichomonas vaginalis.
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Answer:

Introduction:
Sexually transmitted diseases (STDs) are a group of infections that are primarily transmitted through sexual contact. However, some infections like hepatitis-B and HIV can also spread through other means like sharing injection needles and surgical instruments. While some STDs can be cured if detected early and treated properly, others require long-term management. The incidence of STDs is particularly high in the age group of 15-24 years.

Identification of protozoan-caused STD:
Among the given options, the sexually transmitted disease caused by a protozoan is Trichomoniasis. Trichomoniasis is a common STD caused by the protozoan parasite Trichomonas vaginalis. It is primarily transmitted through sexual contact, including vaginal, oral, or anal sex.

Explanation of other options:
- Syphilis: Syphilis is caused by the bacterium Treponema pallidum, and it is not classified as a protozoan-caused STD.
- Gonorrhoea: Gonorrhoea is caused by the bacterium Neisseria gonorrhoeae, and it is not caused by a protozoan.
- Chlamydia: Chlamydia is caused by the bacterium Chlamydia trachomatis, and it is not caused by a protozoan.

Prevalence and symptoms of Trichomoniasis:
Trichomoniasis is one of the most common curable STDs worldwide. It affects both men and women, but women are more likely to experience symptoms. Common symptoms in women include vaginal discharge (often with a strong odor), itching or irritation in the genital area, pain during urination or sexual intercourse, and occasionally, lower abdominal pain. In men, symptoms may include irritation inside the penis, mild discharge, and burning after urination or ejaculation. However, many infected individuals may not display any symptoms.

Diagnosis and treatment:
Trichomoniasis can be diagnosed through laboratory tests that detect the presence of the parasite in a sample of vaginal fluid or urine. It is important to note that the infection can persist even if there are no symptoms. Therefore, testing and treatment are crucial, especially for individuals who are sexually active.

Trichomoniasis can be easily treated with prescription oral antibiotics, such as metronidazole or tinidazole. Sexual partners should also be treated simultaneously to prevent reinfection. It is recommended to avoid sexual activity until the infection is completely cured.

Conclusion:
Among the given options, Trichomoniasis is the sexually transmitted disease caused by a protozoan. It is important to raise awareness about STDs, their modes of transmission, and the need for early diagnosis and proper treatment to prevent the spread of these infections and protect individuals' sexual health.
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Read the following text and answer the following questions on the basis of the same:The term sexually transmitted disease (STD) is applied to the group of diseases that spread by sexual contact. Some infections like hepatitis-B and HIV can spread by sharing injection needles, surgical instruments etc. Except for hepatitis-B, HIV infections, genital herpes, most of the STDs are completely curable if detected early and treated properly. Though all persons are vulnerable to these infections, their incidences are high in the age group of 15-24 years.Which among the following STDs is caused by a protozoan ?a)Syphilisb)Gonorrhoeac)Chlamydiasisd)Trichomoniasis.Correct answer is option 'D'. Can you explain this answer?
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