Question 1

Which is mismatched?

Accepted Answer

A) Diphyllobothrium latum - fish 
B) Taenia solium - pork 
C) Taenia saginata - beef 
D) Echinococcus granulosus - poultry 
E) Anisakis - fish 
A) Diphyllobothrium latum - fish 
B) Taenia solium - pork 
C) Taenia saginata - beef 
D) Echinococcus granulosus - poultry 
E) Anisakis - fish

Question 2

Amebiasis is a disease of the

Accepted Answer

A) conjunctiva of the eye. 
B) brain and meninges. 
C) intestines and often the liver. 
D) lung tissue. 
E) skin. 
A) conjunctiva of the eye. 
B) brain and meninges. 
C) intestines and often the liver. 
D) lung tissue. 
E) skin.

Question 3

Which is mismatched?

Accepted Answer

A) whipworm - trematode 
B) pinworm - nematode 
C) threadworm - nematode 
D) fluke - trematode 
E) tapeworm - cestode 
A) whipworm - trematode 
B) pinworm - nematode 
C) threadworm - nematode 
D) fluke - trematode 
E) tapeworm - cestode

Question 4

Which apicomplexan has caused outbreaks, associated with fecal-contaminated imported raspberries, and also fresh greens and drinking water?

Accepted Answer

A) cryptosporidiosis 
B) cyclosporiasis 
C) babesiosis 
D) toxoplasmosis 
A) cryptosporidiosis 
B) cyclosporiasis 
C) babesiosis 
D) toxoplasmosis

Question 5

Only feces from humans that contaminates food and water can be involved in transmission of amebiasis.

Accepted Answer

A) True 
 B)False

Question 6

Hookworms

Accepted Answer

A) include Necator americanus. 
B) include Ancylostoma duodenale. 
C) have filariform larvae in soil that invade by penetrating bare feet. 
D) have oral cutting plates by which they anchor to the intestines. 
E) All of these choices are correct. 
A) include Necator americanus. 
B) include Ancylostoma duodenale. 
C) have filariform larvae in soil that invade by penetrating bare feet. 
D) have oral cutting plates by which they anchor to the intestines. 
E) All of these choices are correct.

Question 7

Which of the following causes serious congenital disease from transplacental transmission?

Accepted Answer

A) toxoplasmosis 
B) trichomoniasis 
C) giardiasis 
D) malaria 
E) balantidiasis 
A) toxoplasmosis 
B) trichomoniasis 
C) giardiasis 
D) malaria 
E) balantidiasis

Question 8

Acanthamoeba differs from Naegleria fowleri in that only Acanthamoeba

Accepted Answer

A) is a free-living ameba of freshwaters. 
B) enters typically through broken skin or the conjunctiva. 
C) is the cause of primary amebic meningoencephalitis. 
D) enters through the nasal mucosa. 
E) is acquired by swimming in contaminated water. 
A) is a free-living ameba of freshwaters. 
B) enters typically through broken skin or the conjunctiva. 
C) is the cause of primary amebic meningoencephalitis. 
D) enters through the nasal mucosa. 
E) is acquired by swimming in contaminated water.

Question 9

The large, fully formed developmental stage of a hemoflagellate is called the

Accepted Answer

A) epimastigote. 
B) amastigote. 
C) trypomastigote. 
D) promastigote. 
A) epimastigote. 
B) amastigote. 
C) trypomastigote. 
D) promastigote.

Question 10

Amebiasis symptoms include

Accepted Answer

A) bloody, mucus-filled stools, fever, diarrhea, and weight loss. 
B) fever, swollen lymph nodes, and joint pain. 
C) urinary frequency and pain, and vaginal discharge. 
D) chills, fever, and sweating. 
E) sore throat, low-grade fever, and swollen lymph nodes. 
A) bloody, mucus-filled stools, fever, diarrhea, and weight loss. 
B) fever, swollen lymph nodes, and joint pain. 
C) urinary frequency and pain, and vaginal discharge. 
D) chills, fever, and sweating. 
E) sore throat, low-grade fever, and swollen lymph nodes.

Question 11

Eggs and larva are developmental forms of various parasites called _____.

Accepted Answer

The answer of Eggs and larva are developmental forms of...

Question 12

Trypanosoma and Leishmania are called _____ because they often live in the blood and tissues of their hosts.

Accepted Answer

The answer of Trypanosoma and Leishmania are called _____ because...

Question 13

Ascaris lumbricoides

Accepted Answer

A) is an intestinal roundworm. 
B) spreads to humans by ingestion of Ascaris eggs in food. 
C) larvae penetrate into lymphatics and capillaries around intestines. 
D) larvae migrate to the pharynx, get swallowed, and return to intestines to mature. 
E) All of these choices are correct. 
A) is an intestinal roundworm. 
B) spreads to humans by ingestion of Ascaris eggs in food. 
C) larvae penetrate into lymphatics and capillaries around intestines. 
D) larvae migrate to the pharynx, get swallowed, and return to intestines to mature. 
E) All of these choices are correct.

Question 14

All of the following can be transmitted by drinking contaminated water, except

Accepted Answer

A) cryptosporidiosis. 
B) cyclosporiasis. 
C) babesiosis. 
D) balantidiasis. 
E) giardiasis. 
A) cryptosporidiosis. 
B) cyclosporiasis. 
C) babesiosis. 
D) balantidiasis. 
E) giardiasis.

Question 15

Compare and contrast giardiasis and amebiasis with regard to: a) causative agent, b) transmission, c) infection site in body, d) signs and symptoms, e) prevention, and f) treatment.

Accepted Answer

a) Causative agent:
- Giardiasis is caus

Question 16

Which is not correct about kala azar?

Accepted Answer

A) It is fatal in untreated cases. 
B) Chemotherapy with chloroquine is usually effective. 
C) Death is partly due to anemia, destruction of blood-forming tissues, and secondary infections. 
D) It is transmitted by the sand fly. 
E) It is a form of leishmaniasis. 
A) It is fatal in untreated cases. 
B) Chemotherapy with chloroquine is usually effective. 
C) Death is partly due to anemia, destruction of blood-forming tissues, and secondary infections. 
D) It is transmitted by the sand fly. 
E) It is a form of leishmaniasis.

Question 17

Hermaphroditic helminth species have separate male and female worms.

Accepted Answer

A) True 
 B)False

Question 18

The large intestines of pigs are the primary reservoir of the pathogen that causes

Accepted Answer

A) balantidiasis. 
B) amebiasis and trichomoniasis. 
C) amebic meningoencephalitis. 
D) trypanosomiasis leishmaniasis. 
E) cryptosporidiosis and cyclosporiasis. 
A) balantidiasis. 
B) amebiasis and trichomoniasis. 
C) amebic meningoencephalitis. 
D) trypanosomiasis leishmaniasis. 
E) cryptosporidiosis and cyclosporiasis.

Question 19

Discuss the life cycle of one of the roundworms including: a) developmental forms and corresponding hosts, b) transmission, c) human disease and symptoms, d) treatment, and e) prevention.

Accepted Answer

The life cycle of the roundworm Ascaris

Question 20

Which of the following parasites must be swallowed twice by the human host, first as an egg and later as a larva?

Accepted Answer

A) Ascaris lumbricoides 
B) Necatur americanus 
C) Taenia saginata 
D) Enterobius vermicularis 
E) Schistosoma mansoni 
A) Ascaris lumbricoides 
B) Necatur americanus 
C) Taenia saginata 
D) Enterobius vermicularis 
E) Schistosoma mansoni

Exam 23: The Parasites of Medical Importance

Which is mismatched?

Amebiasis is a disease of the

Which is mismatched?

Which apicomplexan has caused outbreaks, associated with fecal-contaminated imported raspberries, and also fresh greens and drinking water?

Only feces from humans that contaminates food and water can be involved in transmission of amebiasis.

Hookworms

Which of the following causes serious congenital disease from transplacental transmission?

Acanthamoeba differs from Naegleria fowleri in that only Acanthamoeba

The large, fully formed developmental stage of a hemoflagellate is called the

Amebiasis symptoms include

Eggs and larva are developmental forms of various parasites called _____.

Trypanosoma and Leishmania are called _____ because they often live in the blood and tissues of their hosts.

Ascaris lumbricoides

All of the following can be transmitted by drinking contaminated water, except

Compare and contrast giardiasis and amebiasis with regard to: a) causative agent, b) transmission, c) infection site in body, d) signs and symptoms, e) prevention, and f) treatment.

Which is not correct about kala azar?

Hermaphroditic helminth species have separate male and female worms.

The large intestines of pigs are the primary reservoir of the pathogen that causes

Discuss the life cycle of one of the roundworms including: a) developmental forms and corresponding hosts, b) transmission, c) human disease and symptoms, d) treatment, and e) prevention.

Which of the following parasites must be swallowed twice by the human host, first as an egg and later as a larva?

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host--The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

Filters