The correct answer to this question is C)
Flukes and tapeworms
.
Which of the following human parasites is a flatworm?
Tapeworms
are a type of platyhelminth, or flatworm, and make up the taxonomic class Cestoda. Infections by tapeworms cause significant morbidity to humans worldwide as well as major production losses in livestock.
Which of these are parasitic flatworms?
The parasitic flatworms include
flukes
(classes Monogenea and Trematoda) and tapeworms (class Cestoda). There are more than 4,000 species of Monogenea, 9,000 of Trematoda and 5,000 of Cestoda.
What is the most common parasitic flatworm to infect humans in the United States?
Paragonimus
is a lung fluke (flatworm) that infects the lungs of humans after eating an infected raw or undercooked crab or crayfish.
What do humans and flatworms have in common?
Like humans, flatworms are
bilateral
: Their body plans are symmetric. … The team’s research proved that these flatworms represent the first creatures to split from a long-dead ancestor common to all bilateral animals.
Which diseases are caused by parasites?
Examples of parasitic diseases that can be bloodborne include
African trypanosomiasis, babesiosis, Chagas disease, leishmaniasis, malaria, and toxoplasmosis
. In nature, many bloodborne parasites are spread by insects (vectors), so they are also referred to as vector-borne diseases.
What is the most common parasite found in humans?
The most common intestinal protozoan parasites are:
Giardia intestinalis
, Entamoeba histolytica, Cyclospora cayetanenensis, and Cryptosporidium spp.
What are the two examples of flatworms?
- Liver fluke.
- Planaria.
What are 2 parasitic flatworms?
While there are several parasitic flatworms,
tapeworms and flukes
are the two most commonly studied types. These flatworms are capable of causing diseases in different host organisms, such as fish, dogs, domesticated animals, and humans.
What is the body type of flatworms?
Flatworms’ bodies are
bilaterally symmetrical
and they have a defined head and tail region. They have a central nervous system containing a brain and a nerve cord. Clusters of light-sensitive cells on either side of their head make up what are called eyespots.
What diseases can flatworms cause?
Paragonimiasis is caused by infection with a flatworm. That’s a parasitic worm also called a fluke or lung fluke because it commonly infects the lungs. Usually, infection comes after eating undercooked crab or crayfish that carry immature flukes.
How do you know if you have parasites in your body?
- Stomach cramps and pain.
- Nausea or vomiting.
- Dehydration.
- Weight loss.
- Swollen lymph nodes.
- Digestive problems including unexplained constipation, diarrhoea or persistent gas.
- Skin issues such as rashes, eczema, hives, and itching.
- Continuous muscle and joint pain.
How are flatworms treated in humans?
The most commonly used medicine for tapeworms is
praziquantel (Biltricide)
. These medications paralyze the tapeworms, which let go of the intestine, dissolve, and pass from your body with bowel movements. If worms are large, you may have cramping when they pass.
Can flatworms live in humans?
There are a variety of parasitic worms that can take
up residence in humans
. Among them are flatworms, thorny-headed worms, and roundworms. The risk of parasitic infection is higher in rural or developing regions. The risk is great in places where food and drinking water may be contaminated and sanitation is poor.
Why are flatworms important to humans?
Flatworms
act as parasites in the human body
, especially in their intestines and digestive tracts. They increase the chances for organic farming. They increased the popularity of raw cooked foods, such as the imports of meat, seafood, and vegetables.
What are the harmful effects of flatworms to humans?
After years of infection, the parasite
can damage the liver, intestine, lungs and bladder
. Rarely, it can also cause seizures, paralysis or spinal cord inflammation. More than 200 million people have this disease and more than 700 million people are at risk of infection.
