Question 1

Which of the following contributes to infection with Trichomonas vaginalis?

Accepted Answer

A)  careless handwashing habits 
B)  compromised immunity 
C)  living in an undeveloped area of the world 
D)  contact with contaminated fomites 
E)  preexisting disease (chlamydia, for example) 
A)  careless handwashing habits 
B)  compromised immunity 
C)  living in an undeveloped area of the world 
D)  contact with contaminated fomites 
E)  preexisting disease (chlamydia, for example)

Question 2

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

Accepted Answer

After mating in the colon, the female pi

Question 3

Visceral leishmaniasis is also known as kala- azar and is fatal in 95% of untreated cases.

Accepted Answer

A) True 
 B)False

Question 4

All nematodes are dioecious.

Accepted Answer

A) True 
 B)False

Question 5

Because (cysts/cysticerci/larva) are readily visible in meat and give it a "mealy" look, inspection of meat can decrease chance of infection with Taenia.

Accepted Answer

The answer of Because (cysts/cysticerci/larva) are readily visible in meat...

Question 6

Which of the following nematodes can be transmitted by mosquitoes?

Accepted Answer

A)  Enterobius vermicularis 
B)  Necator americanus 
C)  Ascaris lumbricoides 
D)  Wuchereria bancrofti 
E)  Ancylostoma duodenale 
A)  Enterobius vermicularis 
B)  Necator americanus 
C)  Ascaris lumbricoides 
D)  Wuchereria bancrofti 
E)  Ancylostoma duodenale

Question 7

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 Ameri

Question 8

What do Echinococcus granulosus, Entamoeba histolytica, and Enterobius vermicularis have in common?

Accepted Answer

A)  They live in the intestines of their definitive host. 
B)  They are transmitted by insect vectors. 
C)  They are diagnosed by examination of a blood smear. 
D)  They cause zoonoses in humans. 
E)  They are intracellular parasites. 
A)  They live in the intestines of their definitive host. 
B)  They are transmitted by insect vectors. 
C)  They are diagnosed by examination of a blood smear. 
D)  They cause zoonoses in humans. 
E)  They are intracellular parasites.

Question 9

Which of the following is an accidental parasite of humans?

Accepted Answer

A)  Entamoeba histolytica 
B)  Acanthamoeba 
C)  Plasmodium 
D)  Balantidium coli 
E)  Ascaris lumbricoides 
A)  Entamoeba histolytica 
B)  Acanthamoeba 
C)  Plasmodium 
D)  Balantidium coli 
E)  Ascaris lumbricoides

Question 10

Damage to the (brain/heart/liver) is the primary result of fetal infection with Toxoplasma gondii.

Accepted Answer

The answer of Damage to the (brain/heart/liver) is the primary...

Question 11

A person reports to a clinic complaining of fever and abdominal pain. The abdomen is swollen, and blood tests indicate liver damage. A stool sample is examined under a microscope and found to contain eggs with a spine projecting from its surface. The indications are consistent with infection with

Accepted Answer

A)  Enterobius vermicularis. 
B)  Echinococcus granulosus. 
C)  Taenia solium. 
D)  Ancylostoma duodenale. 
E)  Schistosoma mansoni. 
A)  Enterobius vermicularis. 
B)  Echinococcus granulosus. 
C)  Taenia solium. 
D)  Ancylostoma duodenale. 
E)  Schistosoma mansoni.

Question 12

Which of the following parasites infects the lymphatic system?

Accepted Answer

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

Question 13

Differentiating between Taenia saginata and Taenia solium is carried out by examination of the

Accepted Answer

A)  eggs. 
B)  larvae. 
C)  scoleces. 
D)  proglottids. 
E)  cysticerci. 
A)  eggs. 
B)  larvae. 
C)  scoleces. 
D)  proglottids. 
E)  cysticerci.

Question 14

All flukes are dioecious.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following parasitic infections can be diagnosed using a blood smear?

Accepted Answer

A)  malaria 
B)  African sleeping sickness 
C)  toxoplasmosis and malaria 
D)  toxoplasmosis 
E)  African sleeping sickness and malaria 
A)  malaria 
B)  African sleeping sickness 
C)  toxoplasmosis and malaria 
D)  toxoplasmosis 
E)  African sleeping sickness and malaria

Exam 23: Parasitic Protozoa, Helminths, and Arthropod Vectors

Which of the following contributes to infection with Trichomonas vaginalis?

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

Visceral leishmaniasis is also known as kala- azar and is fatal in 95% of untreated cases.

All nematodes are dioecious.

Because (cysts/cysticerci/larva) are readily visible in meat and give it a "mealy" look, inspection of meat can decrease chance of infection with Taenia.

Which of the following nematodes can be transmitted by mosquitoes?

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.

What do Echinococcus granulosus, Entamoeba histolytica, and Enterobius vermicularis have in common?

Which of the following is an accidental parasite of humans?

Damage to the (brain/heart/liver) is the primary result of fetal infection with Toxoplasma gondii.

A person reports to a clinic complaining of fever and abdominal pain. The abdomen is swollen, and blood tests indicate liver damage. A stool sample is examined under a microscope and found to contain eggs with a spine projecting from its surface. The indications are consistent with infection with

Which of the following parasites infects the lymphatic system?

Differentiating between Taenia saginata and Taenia solium is carried out by examination of the

All flukes are dioecious.

Which of the following parasitic infections can be diagnosed using a blood smear?

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 Disease, 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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