Parasites in Humans: Symptoms, Treatment & Prevention Basics

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Parasites in Humans: Symptoms, Treatment & Prevention Basics

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Parasites are organisms that live on or inside a host and depend on it for survival.

Parasites are organisms that live on or inside a host and depend on it for survival.
Parasites rely on a host for nourishment and survival while often causing harm.
Parasites cannot survive independently without a host.

Which of the following is a type of parasite that lives on the surface of the body?

Which of the following is a type of parasite that lives on the surface of the body?
Ectoparasites live on the skin or hair and include lice, fleas, and ticks.
Some parasites live inside the body rather than on its surface.

Which image best represents a common symptom of an intestinal parasitic infection?

Bloating, abdominal pain, and digestive discomfort are common symptoms of intestinal parasites.
Parasitic infections usually affect digestion rather than muscles or joints.

Worms (helminths) are multicellular parasites that can often be seen with the naked eye.

Worms (helminths) are multicellular parasites that can often be seen with the naked eye.
Helminths are larger parasites such as roundworms, tapeworms, and flukes.
Protozoa are microscopic, while worms are larger and multicellular.

Which is a common way humans can become infected with parasites?

Which is a common way humans can become infected with parasites?
Many parasites are transmitted through contaminated food, water, or poor hygiene.
Parasitic infections are linked to exposure routes, not environmental discomforts.

Symptoms such as diarrhoea, bloating, fatigue, and unexplained weight loss may be signs of a parasitic infection.

Symptoms such as diarrhoea, bloating, fatigue, and unexplained weight loss may be signs of a parasitic infection.
Parasites can disrupt digestion and nutrient absorption, leading to these symptoms.
Digestive and systemic symptoms can signal parasitic infection.

Which medication is commonly used to treat intestinal worm infections?

Which medication is commonly used to treat intestinal worm infections?
Mebendazole interferes with parasite energy use, leading to their elimination.
Not all medications are effective against parasitic organisms.

Good hygiene practices, such as handwashing and safe food handling, help prevent reinfection with parasites.

Good hygiene practices, such as handwashing and safe food handling, help prevent reinfection with parasites.
Proper hygiene reduces exposure to parasites and lowers reinfection risk.
Prevention depends heavily on cleanliness and safe sanitation habits.
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