Tag: some common diseases

Questions Related to some common diseases

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

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

  1. Trichomonas vaginalis

  2. Leishmania

  3. Trypanosoma

  4. Giardia

Reveal answer Fill a bubble to check yourself
A Correct answer
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. 

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

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

  1. Encysted cercariae.

  2. Miracidia.

  3. Sporocyst.

  4. Rediae.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sheep become infected with the liver fluke (Fasciola hepatica) by ingesting aquatic vegetation contaminated with encysted cercariae, which are known as metacercariae. The other stages listed are part of the life cycle but are not the infective stage for the final host.

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

Which of the following is the causative agent of taeniasis?

  1. Pork worm

  2. Flat worm

  3. Round worm

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
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.

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

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

  1. Mosquito

  2. Pig

  3. Snail

  4. None of the above

Reveal answer Fill a bubble to check yourself
B Correct answer
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'.

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

Taeniasis can be treated by 

  1. Penicillin

  2. Itraconazole

  3. Praziquantel

  4. Both A and B

Reveal answer Fill a bubble to check yourself
C Correct answer
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.