Parasitic Infection in Tropical Areas
32 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which large group of helminthic parasites includes roundworms?

  • Hookworms
  • Trematodes
  • Nematodes (correct)
  • Cestodes

What are the most important roundworms that parasitize the human intestine?

  • Ascaris, pinworm, whipworm, and hookworms (correct)
  • Tapeworm, flukes, and Trichinella
  • Ascaris, tapeworms, and flukes
  • Pinworm, whipworm, and threadworm

Which nematode is considered the most commonly encountered parasitic worm globally?

  • Hookworm
  • Whipworm
  • Pinworm
  • Ascaris (correct)

In which areas are intestinal nematodes of greatest concern?

<p>Tropical areas and regions of poor sanitation (B)</p> Signup and view all the answers

What health issues can result from infestation by intestinal nematodes?

<p>Growth retardation and malnutrition (D)</p> Signup and view all the answers

Which option correctly describes Trichinella spiralis?

<p>A rare tissue nematode in the United States (D)</p> Signup and view all the answers

What is the main reason why direct person-to-person transmission of Ascaris eggs does not occur?

<p>A maturation period is needed before the eggs become infectious (A)</p> Signup and view all the answers

How long can mature Ascaris eggs survive in the soil?

<p>2 years (A)</p> Signup and view all the answers

Where do larval worms released from Ascaris eggs burrow through after being ingested?

<p>Intestine, liver, and lungs (C)</p> Signup and view all the answers

How is Trichuriasis transmitted to humans?

<p>By ingestion of whipworm eggs from fecally contaminated soil (A)</p> Signup and view all the answers

Where do adult forms of whipworms reside in the human body?

<p>Colon (A)</p> Signup and view all the answers

What is the main symptom of pinworm infection in individuals?

<p>Intense anal itching (C)</p> Signup and view all the answers

How are pinworm infections usually acquired?

<p>Ingesting worm eggs transferred to hands from contaminated objects (A)</p> Signup and view all the answers

What is the main route through which pinworm eggs are deposited outside the body by female worms?

<p>Through the anus (A)</p> Signup and view all the answers

How is hookworm disease primarily caused in humans?

<p>Through skin penetration by hookworm larvae (A)</p> Signup and view all the answers

What is a common cause of acquired epilepsy in developing countries?

<p>Neurocysticercosis (B)</p> Signup and view all the answers

How do humans become infected by tapeworms?

<p>By ingesting the flesh of an infected animal (A)</p> Signup and view all the answers

Which country's immigrant populations, particularly Hispanics in the Southwest, are more likely to be affected by neurocysticercosis?

<p>United States (D)</p> Signup and view all the answers

What is the major risk factor for the development of bladder cancer in individuals infected with blood flukes?

<p>Damage to the bladder and ureters (C)</p> Signup and view all the answers

What type of infection can humans get from swimming in lakes contaminated by bird or animal schistosomes?

<p>Schistosome dermatitis (A)</p> Signup and view all the answers

What is the main consequence of tapeworm infection in humans?

<p>Nourishing the worm at the expense of the host's food (D)</p> Signup and view all the answers

Which organ does one species of flukes live in?

<p>Lung (C)</p> Signup and view all the answers

'Swimmers itch' is more commonly referred to as:

<p>'Schistosome dermatitis' (C)</p> Signup and view all the answers

'Taeniasis' refers to:

<p>'Tapeworm infection' (A)</p> Signup and view all the answers

'Cysticercosis' is associated with which type of tapeworm?

<p>'Pork tapeworm' (A)</p> Signup and view all the answers

How does hookworm infection occur?

<p>Direct contact with larvae in soil contaminated with human feces (A)</p> Signup and view all the answers

What is a major clinical effect of hookworm infection?

<p>Intestinal blood loss (D)</p> Signup and view all the answers

In which region has it been estimated that 30% of the population is infected with parasitic infection?

<p>Sub-Saharan Africa (C)</p> Signup and view all the answers

What causes trichinellosis (trichinosis) infection?

<p>Eating undercooked wild game (D)</p> Signup and view all the answers

How do larvae released from ingested Trichinella cysts develop within the body?

<p>They burrow into the intestinal mucosa and produce more larvae (D)</p> Signup and view all the answers

How is Strongyloidiasis (threadworm) infection similar to hookworm infection?

<p>Both infections occur via intact skin (C)</p> Signup and view all the answers

What is a potential severe symptom of trichinellosis infection?

<p>Muscle pain (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser