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[Elizabeth_Zeibig]_Clinical_Parasitology__A_Practi(z-lib.org)

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12

CHAPTER 1 Introduction

Column A

___ C. Infective stage

___ D. Commensalism

___ E. Disease

___ F. Microns

___ G. Transport host

___ H. Vector

___ I. Symbiosis

___ J. Carrier

Column B

3. The official units

of parasite

measurement

4. A parasite that

cannot survive

outside its

host

5. An insect that

transports a

parasite from an

infected host to

an uninfected

host

6. A parasite that

lives on the

outside surface of

its host

7. Parasite-harboring

host that is not

affected by its

presence but can

shed the parasite

and infect

others

8. A destructive

process that has

characteristic

symptoms

9. Association of

two different

species of

organisms that is

beneficial to one

but neutral to the

other

10. A host

responsible for

transferring a

parasite from one

location to

another

1-2. In what parts of the world are parasites

endemic, and what factors contribute

to their occurrence in these areas? (Objective

1-3)

1-3. Why is there an increased prevalence of

parasites in nonendemic areas of the

world (Objective 1-4)

1-4. What are some of the primary modes of

parasitic transmission? (Objective 1-6)

1-5. Suppose that you have been asked to

design a one-page informational flyer on

parasite-host relationships. Identify the

types of parasites, hosts, and parasite-host

relationships that you should include in

your flyer. (Objective 1-8)

A. Types of parasites

B. Types of hosts

C. Types of parasite-host relationships

Optional activity: Design the actual flyer and

share with classmates. (Objective 1-21)

1-6. Give one example of a parasite defense

mechanism that serves to protect it from a

host’s immune system. (Objective 1-9)

1-7. What are the two common phases of a

parasitic life cycle? (Objective 1-10)

1-8. Refer to question 1-7. What key pieces of

information may be extracted from each

of the two common phases of a parasitic

life cycle? (Objective 1-11)

1-9. Which of the following major body areas

may be affected as the result of a parasitic

infection? (Objective 1-12)

A. Gastrointestinal tract

B. Respiratory tract

C. Blood and tissue

D. Liver and lung

E. More than one of these: ___________

(specify)

1-10. Which of the following are examples of

newer parasite recovery techniques? (Objective

1-18)

A. Carbohydrate immunoassays

B. RNA hybridization techniques

C. PCR

D. Immunochromatographic techniques

E. More than one of these:

_______________ (specify)

1-11. What are the three groups of clinically

significant parasites? (Objective 1-19)

1-12. Suppose you are asked to speak to a group

of grade school–aged children who are

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