Tag: some common diseases

Questions Related to some common diseases

Which of the following protozoa is responsible for causing the disease leucorrhoea? 

zoology some common diseases diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Trichomonas vaginalis

  2. Leishmania

  3. Trypanosoma

  4. Giardia

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Correct Option: A
Explanation:

Leucorrhoea, commonly known as whites, refers to a whitish discharge from the female genitals caused by the presence of infection in vaginal tissues. 

Trichomoniasis is a vaginal infection caused by the protozoa, Trichomonas vaginalis. It can be found in both men and women. 
Trichomoniasis is usually transmitted by sexual intercourse, but is also transmitted by common washing of clothes, towels, bathing suits, underwear or any moist object. 
Usually the woman complains of a thin, yellow to grey vaginal discharge, which is often foamy and has an unpleasant odour. There may be some itching and redness noted around and inside the vagina. 

In the life cycle of liver fluke, the sheeps get infected when they ingest ___________.

biology some common diseases diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Encysted cercariae.

  2. Miracidia.

  3. Sporocyst.

  4. Rediae.

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Correct Option: A

Which of the following is the causative agent of taeniasis?

biology some common diseases diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Pork worm

  2. Flat worm

  3. Round worm

  4. None of the above

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Correct Option: A
Explanation:

Taenia solium also known as tapeworm is a pathogen that causes taeniasis. It enters the human body due to consumption of uncooked pork hence also known as pork worm. Thus, the correct answer is option A.

Which of the following is an intermediate host for Taenia solium?

biology some common diseases diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Mosquito

  2. Pig

  3. Snail

  4. None of the above

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Correct Option: B
Explanation:

The pigs are the intermediate host for Taenia solium they are affected by the ingestion of the eggs. The eggs enter the intestine and penetrate the epithelial and reach the muscles. In muscles, they develop an infection known as Cysticercosis. The humans are affected by eating infected pigs. 

So the correct answer is 'Pig'.

Taeniasis can be treated by 

biology some common diseases diseases caused by protozoa protozoan disease protozoa: benefits and harmful effects

  1. Penicillin

  2. Itraconazole

  3. Praziquantel

  4. Both A and B

Show answer
Correct Option: C
Explanation:

Taeniasis is an infection by the tapeworm, Taenia solium. It is caused by eating undercooked pork or contaminated food that contains tapeworm eggs or larvae which grow in the intestines when eaten. Praziquantel is the medication used to treat taeniasis because it is an antiworm medicine which prevents the growth and multiplication of worms inside the body. It increases the permeability of the membrane to calcium ions which induces contraction of the parasites, resulting in paralysis in the contracted state.

So, the correct answer is option C.