Basic Clinical Laboratory Techniques 6th Edition Lesson 8

Basic Clinical Laboratory Techniques 6th Edition By Barbara H. -Test Bank




Lesson 8-1: Introduction to Parasitology


TRUE/FALSE

1. Opportunistic parasites usually cause disease only in immunosuppressed hosts.

ANS: T PTS: 1

2. The intermediate host is the host in which the adult or sexual form of the parasite is found.

ANS: F PTS: 1

3. An endoparasite lives on the outer surface of the host.

ANS: F PTS: 1

4. An opportunistic parasite lives in or on a host but causes no damage to the host.

ANS: F PTS: 1

5. Humans are intermediate hosts for the malarial parasites.

ANS: T PTS: 1

6. A congenital infection is one that is acquired during fetal development.

ANS: T PTS: 1

7. Intestinal parasites are usually detected and identified through serological tests.

ANS: F PTS: 1

8. The most common intestinal protozoan in the United States is Toxoplasma.

ANS: F PTS: 1

, 9. Cryptosporidium infections are usually acquired by ingesting contaminated water or food.

ANS: T PTS: 1

10. Parasitic infections can be annoying but are never life threatening.

ANS: F PTS: 1


MULTIPLE CHOICE

1. All of the following are intestinal helminths EXCEPT:
a. roundworms c. flukes
b. arachnids d. tapeworms
ANS: B PTS: 1

2. An example of a blood parasite is:
a. Entamoeba c. Trypanosoma
b. Balantidium d. Trichomonas
ANS: C PTS: 1

3. The parasitic stage that transmits infection is:
a. diagnostic stage c. intermediate stage
b. carrier d. infective stage
ANS: D PTS: 1

4. All of the following are insects EXCEPT:
a. ticks c. lice
b. flies d. bugs
ANS: A PTS: 1

5. All of the following are protozoa EXCEPT:
a. microfilariae c. ciliates
b. amoebae d. flagellates
ANS: A PTS: 1


COMPLETION

1. Hookworms are in the group of helminths called ____________________.

ANS:
roundworms
nematodes

PTS: 1

2. A flagellated parasite that can occur in the urogenital tract is ____________________.

ANS:
Trichomonas