Question 1

Why is self-reinfection commonly seen in children that suffer from pinworms?

Accepted Answer

After mating in the colon,the female pin

Question 2

Humans are the only reservoir for (Balantidium/Entamoeba/Giardia),an intestinal parasite that causes diarrhea.

Accepted Answer

The answer of Humans are the only reservoir for (Balantidium/Entamoeba/Giardia),an...

Question 3

Which of the following helminth parasites do humans acquire by eating undercooked saltwater fish?

Accepted Answer

A)  Schistosoma 
B)  Fasciola 
C)  Echinococcus 
D)  Anisakis 
E)  Ascaris 
A)  Schistosoma 
B)  Fasciola 
C)  Echinococcus 
D)  Anisakis 
E)  Ascaris

Question 4

Balantidium coli uses ________ to penetrate the intestinal mucosa.

Accepted Answer

A)  adhesion discs 
B)  flagella 
C)  cilia 
D)  pseudopodia 
E)  suckers 
A)  adhesion discs 
B)  flagella 
C)  cilia 
D)  pseudopodia 
E)  suckers

Question 5

The only helminth disease of humans spread by an insect vector is

Accepted Answer

A)  ascariasis. 
B)  fascioliasis. 
C)  filariasis. 
D)  hydatid disease. 
E)  schistosomiasis. 
A)  ascariasis. 
B)  fascioliasis. 
C)  filariasis. 
D)  hydatid disease. 
E)  schistosomiasis.

Question 6

A housefly can transmit diseases as a (biological/fomite/mechanical)vector.

Accepted Answer

The answer of A housefly can transmit diseases as a...

Question 7

Anemia is a common consequence of hookworm infestation.

Accepted Answer

A) True 
 B)False

Question 8

The ________ spreads more parasitic diseases to humans than any other vector.

Accepted Answer

A)  kissing bug 
B)  mosquito 
C)  tick 
D)  louse 
E)  mite 
A)  kissing bug 
B)  mosquito 
C)  tick 
D)  louse 
E)  mite

Question 9

After a trip to several South American countries,a middle-aged man becomes ill.He becomes anemic,loses weight,and runs a fever.The clinician notes a recently healed sore near his nose.Microscopic examination of a blood smear does not reveal anything other than the anemia.What parasitic infection is consistent with this scenario?

Accepted Answer

A)  malaria 
B)  leishmaniasis 
C)  Chagas' disease 
D)  giardiasis 
E)  balantidiasis 
A)  malaria 
B)  leishmaniasis 
C)  Chagas' disease 
D)  giardiasis 
E)  balantidiasis

Question 10

Which of the following statements concerning infection with Toxoplasma is FALSE?

Accepted Answer

A)  It is one of the world's most widely distributed protozoan parasites in humans. 
B)  It is typically contracted by eating undercooked meat. 
C)  Even though it can be transmitted across the placenta, it is harmless to the fetus. 
D)  The majority of infected people are asymptomatic. 
E)  It usually results in no permanent damage and is self-limiting. 
A)  It is one of the world's most widely distributed protozoan parasites in humans. 
B)  It is typically contracted by eating undercooked meat. 
C)  Even though it can be transmitted across the placenta, it is harmless to the fetus. 
D)  The majority of infected people are asymptomatic. 
E)  It usually results in no permanent damage and is self-limiting.

Question 11

Trypanosoma cruzi is introduced into the body by

Accepted Answer

A)  feces containing trypomastigotes contaminating a bite wound. 
B)  the bite of a tsetse fly, which introduces the trypomastigotes into the body. 
C)  ingesting food contaminated with the parasite. 
D)  the bite of a sand fly that has ingested phagocytes containing the parasite. 
E)  wearing contact lenses cleaned with contaminated tap water. 
A)  feces containing trypomastigotes contaminating a bite wound. 
B)  the bite of a tsetse fly, which introduces the trypomastigotes into the body. 
C)  ingesting food contaminated with the parasite. 
D)  the bite of a sand fly that has ingested phagocytes containing the parasite. 
E)  wearing contact lenses cleaned with contaminated tap water.

Question 12

The most common nematode infection worldwide is (ascariasis/filariasis/pinworms).

Accepted Answer

The answer of The most common nematode infection worldwide is...

Question 13

All tapeworms are intestinal parasites that completely lack digestive systems.

Accepted Answer

A) True 
 B)False

Question 14

Parasitic diseases have been considered uncommon in developed countries but many are now emerging diseases in these parts of the world.Discuss factors that contribute to this shift.

Accepted Answer

Parasitic disease in Europe,North Americ

Question 15

The most severe form of malaria,called "blackwater fever" is caused by Plasmodium (falciparum/malariae/ovale/vivax).

Accepted Answer

The answer of The most severe form of malaria,called "blackwater...

Why is self-reinfection commonly seen in children that suffer from pinworms?

Humans are the only reservoir for (Balantidium/Entamoeba/Giardia),an intestinal parasite that causes diarrhea.

Which of the following helminth parasites do humans acquire by eating undercooked saltwater fish?

Balantidium coli uses ________ to penetrate the intestinal mucosa.

The only helminth disease of humans spread by an insect vector is

A housefly can transmit diseases as a (biological/fomite/mechanical)vector.

Anemia is a common consequence of hookworm infestation.

The ________ spreads more parasitic diseases to humans than any other vector.

Which of the following statements concerning infection with Toxoplasma is FALSE?

Trypanosoma cruzi is introduced into the body by

The most common nematode infection worldwide is (ascariasis/filariasis/pinworms).

All tapeworms are intestinal parasites that completely lack digestive systems.

Parasitic diseases have been considered uncommon in developed countries but many are now emerging diseases in these parts of the world.Discuss factors that contribute to this shift.

The most severe form of malaria,called "blackwater fever" is caused by Plasmodium (falciparum/malariae/ovale/vivax).

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Pathogenic Gram Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Pathogenic DNA Viruses

Pathogenic RNA Viruses

Applied and Environmental Microbiology

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Exam 23: Parasitic Protozoa, Helminths, and Arthropod Vectors

Why is self-reinfection commonly seen in children that suffer from pinworms?

Humans are the only reservoir for (Balantidium/Entamoeba/Giardia),an intestinal parasite that causes diarrhea.

Which of the following helminth parasites do humans acquire by eating undercooked saltwater fish?

Balantidium coli uses ________ to penetrate the intestinal mucosa.

The only helminth disease of humans spread by an insect vector is

A housefly can transmit diseases as a (biological/fomite/mechanical)vector.

Anemia is a common consequence of hookworm infestation.

The ________ spreads more parasitic diseases to humans than any other vector.

Which of the following statements concerning infection with Toxoplasma is FALSE?

Trypanosoma cruzi is introduced into the body by

The most common nematode infection worldwide is (ascariasis/filariasis/pinworms).

All tapeworms are intestinal parasites that completely lack digestive systems.

Parasitic diseases have been considered uncommon in developed countries but many are now emerging diseases in these parts of the world.Discuss factors that contribute to this shift.

The most severe form of malaria,called "blackwater fever" is caused by Plasmodium (falciparum/malariae/ovale/vivax).

A Brief History of Microbiology

The Chemistry of Microbiology

Cell Structure and Function

Microscopy, Staining, and Classification

Microbial Metabolism

Microbial Nutrition and Growth

Microbial Genetics

Recombinant DNA Technology

Controlling Microbial Growth in the Environment

Controlling Microbial Growth in the Body: Antimicrobial Drugs

Characterizing and Classifying Prokaryotes

Characterizing and Classifying Eukaryotes

Characterizing and Classifying Viruses, Viroids, and Prions

Infection, Infectious Diseases, and Epidemiology

Innate Immunity

Adaptive Immunity

Immunization and Immune Testing

Immune Disorders

Pathogenic Gram Positive Bacteria

Pathogenic Gram-Negative Cocci and Bacilli

Rickettsias, Chlamydias, Spirochetes, and Vibrios

Pathogenic Fungi

Pathogenic DNA Viruses

Pathogenic RNA Viruses

Applied and Environmental Microbiology

Filters