Question 1

Which of the following arthropods does NOT transmit diseases by sucking blood from a human host?

Accepted Answer

A) lice 
B) fleas 
C) houseflies 
D) mosquitoes 
E) kissing bugs 
A) lice 
B) fleas 
C) houseflies 
D) mosquitoes 
E) kissing bugs

Question 2

Provide an explanation for the complex life cycles exhibited by parasitic helminths.Cite specific examples in your explanation.

Accepted Answer

Parasitic helminths, which include vario

Question 3

All of the following are characteristic of lichens EXCEPT

Accepted Answer

A) they are arranged in foliose,fruticose,or crustose morphologies. 
B) they are a major food source for tundra herbivores. 
C) they are used as indicators of air pollution. 
D) they are a symbiotic relationship between a fungus and a protozoan. 
E) they serve as primary producers in rocky ecosystems. 
A) they are arranged in foliose,fruticose,or crustose morphologies. 
B) they are a major food source for tundra herbivores. 
C) they are used as indicators of air pollution. 
D) they are a symbiotic relationship between a fungus and a protozoan. 
E) they serve as primary producers in rocky ecosystems.

Question 4

Helminthic diseases are usually transmitted to humans by

Accepted Answer

A) respiratory route. 
B) genitourinary route. 
C) gastrointestinal route. 
D) vectors. 
E) aerosols. 
A) respiratory route. 
B) genitourinary route. 
C) gastrointestinal route. 
D) vectors. 
E) aerosols.

Question 5

The sporozoite,merozoite,gametocyte,and ring stages are all part of the Plasmodium life cycle.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following pairs is mismatched?

Accepted Answer

A) nematodes - complete digestive tract 
B) cestodes - segmented body made of proglottids 
C) trematodes - flukes 
D) nematodes - many are free-living 
E) cestodes - all are free-living 
A) nematodes - complete digestive tract 
B) cestodes - segmented body made of proglottids 
C) trematodes - flukes 
D) nematodes - many are free-living 
E) cestodes - all are free-living

Question 7

Slime molds are not molds.Based on their life cycles and processes,why do you think they were originally given this incorrect name?

Accepted Answer

Slime molds were originally given the na

Question 8

West Nile Virus is transmitted by mosquitoes as they take a blood meal.Flies can also transmit pathogens,but not in the process of taking a blood meal.Differentiate the ways in which flies and mosquitoes acquire and transmit infectious agents,and suggest 1-2 ways in which these methods might be disrupted.

Accepted Answer

Mosquitoes acquire and transmit infectio

Question 9

Which of the following pairs is mismatched?

Accepted Answer

A) teleomorph - produces both sexual and asexual spores 
B) dermatomycosis - fungal infection of the skin 
C) dimorphic fungus - grows as a yeast or a mold 
D) systemic mycosis - fungal infection of body organs 
E) coenocytic hyphae - hyphae with cross-walls 
A) teleomorph - produces both sexual and asexual spores 
B) dermatomycosis - fungal infection of the skin 
C) dimorphic fungus - grows as a yeast or a mold 
D) systemic mycosis - fungal infection of body organs 
E) coenocytic hyphae - hyphae with cross-walls

Question 10

Three weeks after a river rafting trip,three family members experienced symptoms of coughing,fever,and chest pain.During the rafting trip,the family had consumed crayfish that they caught along the river banks.An examination of the patients' sputum revealed helminth eggs,and serum samples were positive for antibodies to Paragonimus.All of the family members recovered following treatment with praziquantel.In the Paragonimus life cycle,

Accepted Answer

A) the crayfish are the definitive host and humans are the intermediate host. 
B) humans are the definitive host and crayfish are the intermediate host. 
C) both humans and crayfish are intermediate hosts. 
D) both humans and crayfish are definitive hosts. 
E) the source of the infection was the river water. 
A) the crayfish are the definitive host and humans are the intermediate host. 
B) humans are the definitive host and crayfish are the intermediate host. 
C) both humans and crayfish are intermediate hosts. 
D) both humans and crayfish are definitive hosts. 
E) the source of the infection was the river water.

Question 11

Which of the following statements regarding fungi is FALSE?

Accepted Answer

A) Most fungi are pathogenic for humans. 
B) Fungi are eukaryotic heterotrophs. 
C) Fungi reproduce by forming asexual or sexual spores. 
D) Most fungi grow well in acidic culture condition. 
E) Fungi tolerate low moisture conditions. 
A) Most fungi are pathogenic for humans. 
B) Fungi are eukaryotic heterotrophs. 
C) Fungi reproduce by forming asexual or sexual spores. 
D) Most fungi grow well in acidic culture condition. 
E) Fungi tolerate low moisture conditions.

Question 12

Which of the following is a nucleated,unicellular organism that,if you changed the incubation temperature,would form filaments with conidiospores?

Accepted Answer

A) ascomycete 
B) cellular slime mold 
C) euglenozoa 
D) tapeworm 
E) plasmodial slime mold 
A) ascomycete 
B) cellular slime mold 
C) euglenozoa 
D) tapeworm 
E) plasmodial slime mold

Question 13

Which of the following statements regarding protozoa is FALSE?

Accepted Answer

A) Protozoa are unicellular eukaryotes. 
B) Nearly all protozoa cause disease. 
C) Most protozoa reproduce asexually. 
D) Protozoa are common in water and soil. 
E) Some protozoan pathogens are transmitted by arthropod vectors. 
A) Protozoa are unicellular eukaryotes. 
B) Nearly all protozoa cause disease. 
C) Most protozoa reproduce asexually. 
D) Protozoa are common in water and soil. 
E) Some protozoan pathogens are transmitted by arthropod vectors.

Question 14

The cells of plasmodial slime molds can grow to several centimeters in diameter because

Accepted Answer

A) they have organelles. 
B) they distribute nutrients by cytoplasmic streaming. 
C) the large surface can absorb nutrients. 
D) they form spores. 
E) they have a mouth to ingest nutrients. 
A) they have organelles. 
B) they distribute nutrients by cytoplasmic streaming. 
C) the large surface can absorb nutrients. 
D) they form spores. 
E) they have a mouth to ingest nutrients.

Question 15

Explain how the presence of algae can indicate either pollution or productivity of a body of water.

Accepted Answer

Algae can indicate the pollution or prod

Question 16

Ringworm is caused by a(n)

Accepted Answer

A) fungus. 
B) cestode. 
C) nematode. 
D) protozoan. 
E) trematode. 
A) fungus. 
B) cestode. 
C) nematode. 
D) protozoan. 
E) trematode.

Question 17

All of the following are characteristic of algae EXCEPT which ONE of the following?

Accepted Answer

A) Most are photoautotrophs. 
B) They are currently classified as plants. 
C) They may be unicellular or multicellular. 
D) Some produce harmful toxins. 
E) They mostly live in aquatic habitats. 
A) Most are photoautotrophs. 
B) They are currently classified as plants. 
C) They may be unicellular or multicellular. 
D) Some produce harmful toxins. 
E) They mostly live in aquatic habitats.

Question 18

Which of the following pairs is mismatched?

Accepted Answer

A) Basidiomycota - basidiospores 
B) Ascomycota - conidiospores 
C) Zygomycota - sporangiospores 
D) microsporidia - lack mitochondria 
E) anamorphs - lack spores 
A) Basidiomycota - basidiospores 
B) Ascomycota - conidiospores 
C) Zygomycota - sporangiospores 
D) microsporidia - lack mitochondria 
E) anamorphs - lack spores

Question 19

Which of the following pairs are mismatched? 1.arthroconidium - formed by fragmentation
2)sporangiospore - formed within hyphae
3)conidiospore - formed in a chain
4)blastoconidium - formed from a bud
5)chlamydoconidium - formed in a sac

Accepted Answer

A) 1 and 2 
B) 2 and 3 
C) 2 and 5 
D) 3 and 4 
E) 4 and 5 
A) 1 and 2 
B) 2 and 3 
C) 2 and 5 
D) 3 and 4 
E) 4 and 5

Question 20

You observe a mass of amoeba-like cells that swarm together,form a stalk,and produce spores.This is a(n)

Accepted Answer

A) ascomycete. 
B) cellular slime mold. 
C) Euglenozoa. 
D) tapeworm. 
E) plasmodial slime mold. 
A) ascomycete. 
B) cellular slime mold. 
C) Euglenozoa. 
D) tapeworm. 
E) plasmodial slime mold.

Exam 12: The Eukaryotes: Fungi, algae, protozoa, and Helminths

Which of the following arthropods does NOT transmit diseases by sucking blood from a human host?

Provide an explanation for the complex life cycles exhibited by parasitic helminths.Cite specific examples in your explanation.

All of the following are characteristic of lichens EXCEPT

Helminthic diseases are usually transmitted to humans by

The sporozoite,merozoite,gametocyte,and ring stages are all part of the Plasmodium life cycle.

Which of the following pairs is mismatched?

Slime molds are not molds.Based on their life cycles and processes,why do you think they were originally given this incorrect name?

Which of the following pairs is mismatched?

Which of the following statements regarding fungi is FALSE?

Which of the following is a nucleated,unicellular organism that,if you changed the incubation temperature,would form filaments with conidiospores?

Which of the following statements regarding protozoa is FALSE?

The cells of plasmodial slime molds can grow to several centimeters in diameter because

Explain how the presence of algae can indicate either pollution or productivity of a body of water.

Ringworm is caused by a(n)

All of the following are characteristic of algae EXCEPT which ONE of the following?

Which of the following pairs is mismatched?

Which of the following pairs are mismatched? 1.arthroconidium - formed by fragmentation 2)sporangiospore - formed within hyphae 3)conidiospore - formed in a chain 4)blastoconidium - formed from a bud 5)chlamydoconidium - formed in a sac

You observe a mass of amoeba-like cells that swarm together,form a stalk,and produce spores.This is a(n)

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

Viruses,viroids,and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Respiratory System

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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