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Questions and Answers
What is the main characteristic of a helminth?
What is the main characteristic of a helminth?
- Infects primarily the scalp
- Invades deep tissues of the hair, nails, and skin
- Single-celled organism
- Derived its nourishment from the host (correct)
How do helminth eggs typically enter the body of a human?
How do helminth eggs typically enter the body of a human?
- Through breathing contaminated air
- Through the eyes
- Via direct skin contact
- Through the mouth, nose, and anus (correct)
Where do helminth eggs usually lodge once inside the body?
Where do helminth eggs usually lodge once inside the body?
- Brain
- Lungs
- Liver
- Intestines (correct)
What is the study of parasitic worms called?
What is the study of parasitic worms called?
Where do helminths derive their nourishment from?
Where do helminths derive their nourishment from?
Flashcards
Helminth Characteristic
Helminth Characteristic
Helminths obtain nutrients from a host organism, often causing harm or disease to the host.
Helminth Entry Points
Helminth Entry Points
Helminth eggs commonly enter the body through ingestion, inhalation, or direct penetration.
Helminth Lodging
Helminth Lodging
Helminth eggs often lodge in the intestines, where they hatch and mature into adult worms.
Helminthology
Helminthology
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Helminth Nourishment
Helminth Nourishment
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Study Notes
Roundworms
- Live in the intestines
- Eggs enter the body through contaminated water, food, fingers, and hands that have touched a contaminated object
- Symptoms: fatigue, weight loss, irritability, poor appetite, abdominal pain, and diarrhea
- Treatment with medication results in cure
Pinworms
- Cause symptoms such as anal itching, pale skin, and stomach discomfort
- Can enter the vagina, causing discharge and itching
- Do not cause serious complications
- Treatment with medication results in a cure within days
Trichina Spiralis (Trichinosis)
- Lives in the intestines
- Eggs enter the body via raw or undercooked pork, sausage, or bear meat
- Eggs hatch, mature, and migrate to other parts of the body through the bloodstream and lymphatic system
- Symptoms: vomiting, diarrhea, abdominal cramps, high fever, puffiness of the face, and muscle pain
Tapeworms
- Live in the intestines
- Eggs enter the body via raw or uncooked beef
- Symptoms are usually absent, but can include abdominal pain, fatigue, weight loss, and diarrhea
- Treatment with medication results in cure
Flukes
- Live in different locations in the body, including intestines, bladder, rectum, liver, spleen, lungs, and veins
- Mature inside freshwater snails and enter the body by penetrating the skin
- Can cause various symptoms depending on the location in the body
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