Microbiology Principles And Explorations 9th Edition by Jacquelyn G. Black -Test Bank

Chapter 11: Eukaryotic Microorganisms and Parasites

Multiple Choice

1) An organism that lives at the expense of another organism is a _____.

a) mutualistic
b) commensal
c) parasite
d) symbiont

Answer: c

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

2) Parasites which live within the bodies of other organisms are classified as _____.

a) accidental parasite
b) endoparasites
c) facultative parasites
d) ectoparasites

Answer: b

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

3) A leech that feeds on a person swimming in a pond then releases itself from the skin to return to the water is an example of a/an:

a) endoparasite
b) permanent parasite
c) temporary parasite
d) reservoir host

Answer: c

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

4) A mosquito that lives on a host and is itself infected with the protozoa responsible for malaria is an example of:

a) temporary parasitism
b) permanent parasitism
c) hyperparasitism
d) facultative parasitism

Answer: c

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

5) Organisms that are normally free living but can also obtain nutrients from a host are called _____.

a) facultative parasites
b) obligate parasite
c) biological vectors
d) accidental parasites

Answer: a

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

6) The Anopheles mosquito carries the disease malaria, as the parasite must carry out part of its life cycle within the mosquito. In this case, the mosquito is a/an:

a) permanent parasite
b) biological vector
c) mechanical vector
d) accidental host

Answer: b

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

7) A host in which a parasite reproduces sexually is a _____.

a) primary host
b) definitive host
c) intermediate host
d) reservoir host

Answer: b

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

8) Parasites having both male and female reproductive organs are known as _____.

a) obligate parasites
b) schizonts
c) hermaphrodites
d) accidental parasites

Answer: c

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.1 Principles of Parasitology

9) All protists:

a) are photosynthetic
b) have a true nucleus
c) have cell walls
d) are parasites

Answer: b

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.2 Protists

10) Many protists have shells of calcium carbonate called _____.

a) exoskeletons
b) carapaces
c) tests
d) plastrons

Answer: c

Difficulty: Easy
Learning Objective 1: LO 11.1 Describe the kinds of parasitism, the key characteristics of plantlike, funguslike, and animal-like protozoa, naming several representative phyla within each group.
Section Reference 1: Section 11.2 Protists