Question 1

A human condition caused by filarial worms is called

Accepted Answer

A) elephantiasis. 
B) trichinosis. 
C) brucellosis. 
D) sclerosis. 
E) dermatitis. 
A) elephantiasis. 
B) trichinosis. 
C) brucellosis. 
D) sclerosis. 
E) dermatitis.

Question 2

Adult nematomorphs are free living; the larvae are

Accepted Answer

A) found in benthic marine habitats. 
B) parasitic in the respiratory systems of vertebrates. 
C) found in the lymph system of humans. 
D) parasitic in arthropods. 
E) encysted in muscle tissue of mammals. 
A) found in benthic marine habitats. 
B) parasitic in the respiratory systems of vertebrates. 
C) found in the lymph system of humans. 
D) parasitic in arthropods. 
E) encysted in muscle tissue of mammals.

Question 3

The process of shedding the outer body covering is called

Accepted Answer

A) autotomy. 
B) ecdysis. 
C) syncytialism. 
D) metamorphosis. 
E) lysis. 
A) autotomy. 
B) ecdysis. 
C) syncytialism. 
D) metamorphosis. 
E) lysis.

Question 4

The phylum name Kinorhyncha refers to

Accepted Answer

A) their bioluminescence. 
B) their lack of spines. 
C) their posterior spines. 
D) their degenerate nervous system. 
E) their method of burrowing. 
A) their bioluminescence. 
B) their lack of spines. 
C) their posterior spines. 
D) their degenerate nervous system. 
E) their method of burrowing.

Question 5

The neck of a kinorhynch has spines called

Accepted Answer

A) plastids. 
B) phasmids. 
C) placids. 
D) scalids. 
E) amphids. 
A) plastids. 
B) phasmids. 
C) placids. 
D) scalids. 
E) amphids.

Question 6

Members of the phylum Nematomorpha are commonly called

Accepted Answer

A) pinworms. 
B) hookworms. 
C) horsehair worms. 
D) heartworms. 
E) spiny-headed worms. 
A) pinworms. 
B) hookworms. 
C) horsehair worms. 
D) heartworms. 
E) spiny-headed worms.

Question 7

The life cycle of Trichinella is unusual for other nematode parasites in that

Accepted Answer

A) there is no intermediate host. 
B) female nematodes give birth to live larvae that encyst within the maternal host. 
C) sexual dimorphism is present. 
D) it is very host specific. 
A) there is no intermediate host. 
B) female nematodes give birth to live larvae that encyst within the maternal host. 
C) sexual dimorphism is present. 
D) it is very host specific.

Question 8

A filarial worm which infects dogs,particularly common in the United States,is

Accepted Answer

A) pinworms. 
B) mange. 
C) ringworm. 
D) heartworm. 
E) tapeworms. 
A) pinworms. 
B) mange. 
C) ringworm. 
D) heartworm. 
E) tapeworms.

Question 9

Nematodes move with characteristic whiplike movements.They are incapable of localized contractions along the body wall,similar to those observed in earthworms.Which of the following elements of nematode structure explain their particular form of locomotion? Check all that apply.

Accepted Answer

A)  Nematodes have a collagenous cuticle that is flexible but tough. 
B) Nematodes have both circular and longitudinal muscles associated with their body wall. 
C) Nematodes are pseudocoelomate. 
D)  Nematodes have longitudinal muscles associated with their body wall. 
A)  Nematodes have a collagenous cuticle that is flexible but tough. 
B) Nematodes have both circular and longitudinal muscles associated with their body wall. 
C) Nematodes are pseudocoelomate. 
D)  Nematodes have longitudinal muscles associated with their body wall.

Question 10

The life cycle of Wuchereria includes the ___________ as an intermediate host and vector.The __________ of this parasite are picked up by this vector from the human host.These larvae mature before being carried back to the human.The parasites eventually mature to adults in the human ____________.

Accepted Answer

A) flea; hexacanths; small intestine 
B) mosquito; microfilaria; heart 
C) mosquito; microfilaria; lymphatic system 
D) tsetse fly; sporozoites; circulatory system 
A) flea; hexacanths; small intestine 
B) mosquito; microfilaria; heart 
C) mosquito; microfilaria; lymphatic system 
D) tsetse fly; sporozoites; circulatory system

Question 11

The osmoregulatory organs of nematodes are

Accepted Answer

A) malpighian tubules. 
B) metanephridia. 
C) renettes. 
D) protonephridia. 
E) kidneys. 
A) malpighian tubules. 
B) metanephridia. 
C) renettes. 
D) protonephridia. 
E) kidneys.

A human condition caused by filarial worms is called

Adult nematomorphs are free living; the larvae are

The process of shedding the outer body covering is called

The phylum name Kinorhyncha refers to

The neck of a kinorhynch has spines called

Members of the phylum Nematomorpha are commonly called

The life cycle of Trichinella is unusual for other nematode parasites in that

A filarial worm which infects dogs,particularly common in the United States,is

Nematodes move with characteristic whiplike movements.They are incapable of localized contractions along the body wall,similar to those observed in earthworms.Which of the following elements of nematode structure explain their particular form of locomotion? Check all that apply.

The life cycle of Wuchereria includes the _ as an intermediate host and vector.The of this parasite are picked up by this vector from the human host.These larvae mature before being carried back to the human.The parasites eventually mature to adults in the human ____.

The osmoregulatory organs of nematodes are

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal Taxonomy, phylogeny, and Organization

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

Annelida: the Metameric Body Form

The Arthropods: Blueprint for Success

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Mammals: Synapsid Amniotes

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Communication II: the Endocrine System and Chemical Messengers

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

Filters

Exam 13: The Smaller Ecdysozoan Phyla

A human condition caused by filarial worms is called

Adult nematomorphs are free living; the larvae are

The process of shedding the outer body covering is called

The phylum name Kinorhyncha refers to

The neck of a kinorhynch has spines called

Members of the phylum Nematomorpha are commonly called

The life cycle of Trichinella is unusual for other nematode parasites in that

A filarial worm which infects dogs,particularly common in the United States,is

Nematodes move with characteristic whiplike movements.They are incapable of localized contractions along the body wall,similar to those observed in earthworms.Which of the following elements of nematode structure explain their particular form of locomotion? Check all that apply.

The life cycle of Wuchereria includes the ___________ as an intermediate host and vector.The __________ of this parasite are picked up by this vector from the human host.These larvae mature before being carried back to the human.The parasites eventually mature to adults in the human ____________.

The osmoregulatory organs of nematodes are

Zoology: an Evolutionary and Ecological Perspective

Cells, tissues, organs, and Organ Systems of Animals

Cell Division and Inheritance

Evolution: History and Evidence

Evolution and Gene Frequencies

Ecology: Preserving the Animal Kingdom

Animal Taxonomy, phylogeny, and Organization

Animal-Like Protists: the Protozoa

Multicellular and Tissue Levels of Organization

The Smaller Lophotrochozoan Phyla

Molluscan Success

Annelida: the Metameric Body Form

The Arthropods: Blueprint for Success

The Pancrustacea: Crustacea and Hexapoda

Ambulacraria: Echinoderms and Hemichordates

Chordata: Urochordata and Cephalochordata

The Fishes: Vertebrate Success in Water

Amphibians: the First Terrestrial Vertebrates

Reptiles: Diapsid Amniotes

Birds: Reptiles by Another Name

Mammals: Synapsid Amniotes

Protection, support, and Movement

Communication I: Nervous and Sensory Systems

Communication II: the Endocrine System and Chemical Messengers

Circulation and Gas Exchange

Nutrition and Digestion

Temperature and Body Fluid Regulation

Reproduction and Development

Filters

The life cycle of Wuchereria includes the _ as an intermediate host and vector.The of this parasite are picked up by this vector from the human host.These larvae mature before being carried back to the human.The parasites eventually mature to adults in the human ____.