Quiz 2: Effects of Parasites on Host and Basic Concepts in Medical Parasitology

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Questions and Answers

What does morphology in parasites refer to?

  • Their life cycle outside the host
  • The method of diagnosis for parasites
  • Their geographical distribution
  • Their size, shape, color, and organelles (correct)

Why is understanding morphology important in laboratory diagnosis of parasites?

  • To differentiate between pathogenic and commensal organisms (correct)
  • To select appropriate medication for treatment
  • To determine the geographical distribution of parasites
  • To identify the extracorporeal life stage of parasites

What factor determines the geographical distribution of parasites?

  • The host's food habits (correct)
  • The method of diagnosis
  • The parasite's reproductive rate
  • The size of the parasite

Why are parasites without intermediate hosts more widely distributed?

<p>They don't need vectors for transmission (A)</p> Signup and view all the answers

What crucial information can be obtained from understanding a parasite's extracorporeal life cycle?

<p>Symptomatology and pathology of the parasite (D)</p> Signup and view all the answers

How can pathogenic parasites directly affect the host?

<p>By causing mechanical injury as they grow (C)</p> Signup and view all the answers

Which of the following is an indirect effect of parasites on the host?

<p>Causing an immunological reaction by the host (A)</p> Signup and view all the answers

What is a deleterious effect caused by some parasites on the host?

<p>Production of toxic substances causing symptoms like rigors (D)</p> Signup and view all the answers

How do parasites compete with the host for resources?

<p>By actively competing for nutrients needed by the host (D)</p> Signup and view all the answers

What aspect of medical parasitology involves discussion on pathology and clinical manifestations of infections?

<p>Means of infection (D)</p> Signup and view all the answers

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