Question 1

Trichinella spiralis is a/an _________ that invades the __________.

Accepted Answer

A) roundworm; intestine and muscle 
B) ameba; intestine 
C) flagellate; large intestine 
D) flatworm; heart 
E) tapeworm; lungs 
A) roundworm; intestine and muscle 
B) ameba; intestine 
C) flagellate; large intestine 
D) flatworm; heart 
E) tapeworm; lungs

Question 2

Symptoms of cryptosporidiosis include

Accepted Answer

A) headache, sweating, vomiting, severe abdominal cramps, and diarrhea. 
B) a circular rash that appears on the trunk and spreads to the extremities. 
C) loss of hair. 
D) a red skin papule that spreads to a large ulcer. 
A) headache, sweating, vomiting, severe abdominal cramps, and diarrhea. 
B) a circular rash that appears on the trunk and spreads to the extremities. 
C) loss of hair. 
D) a red skin papule that spreads to a large ulcer.

Question 3

The symptoms that occur in cyclic 48 to 72 hour episodes in a malaria patient are

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 4

The parasitic disease, caused by an apicomplexan that involves infected cats in its life cycle is

Accepted Answer

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

Question 5

River blindness is

Accepted Answer

A) caused by Wuchereria bancrofti. 
B) a disease in which worms can invade the eyes. 
C) caused by a blood fluke. 
D) transmitted by mosquito vector. 
E) All of these choices are correct. 
A) caused by Wuchereria bancrofti. 
B) a disease in which worms can invade the eyes. 
C) caused by a blood fluke. 
D) transmitted by mosquito vector. 
E) All of these choices are correct.

Question 6

A person carrying one gene for sickle-cell hemoglobin will be resistant to Plasmodium infection.

Accepted Answer

A) True 
 B)False

Question 7

Chagas'disease involves transmission of the pathogen by the

Accepted Answer

A) reduviid, "kissing," bug. 
B) tsetse fly. 
C) Anopheles mosquito. 
D) phlebotomine (sand) fly. 
E) hard-bodied tick. 
A) reduviid, "kissing," bug. 
B) tsetse fly. 
C) Anopheles mosquito. 
D) phlebotomine (sand) fly. 
E) hard-bodied tick.

Question 8

Which of the following has four pairs of flagella?

Accepted Answer

A) Naegleria fowleri 
B) Toxoplasma gondii 
C) Balantidium coli 
D) Giardia lamblia 
E) Entamoeba histolytica 
A) Naegleria fowleri 
B) Toxoplasma gondii 
C) Balantidium coli 
D) Giardia lamblia 
E) Entamoeba histolytica

Question 9

Pregnant women should never change cat litter due to the risk of contracting

Accepted Answer

A) toxoplasmosis. 
B) malaria. 
C) trypanosomiasis. 
D) amebic dysentery. 
E) Chagas'disease. 
A) toxoplasmosis. 
B) malaria. 
C) trypanosomiasis. 
D) amebic dysentery. 
E) Chagas'disease.

Question 10

Toxoplasmosis includes all the following, except

Accepted Answer

A) ingesting pseudocysts from contaminated raw or undercooked meat. 
B) ingesting or inhaling oocysts from infected cats or cat feces. 
C) tachyzoites can cross the placenta. 
D) immunocompromised patients often develop a fatal, disseminated infection. 
E) intrauterine infectious are generally mild with very little damage to fetal tissues. 
A) ingesting pseudocysts from contaminated raw or undercooked meat. 
B) ingesting or inhaling oocysts from infected cats or cat feces. 
C) tachyzoites can cross the placenta. 
D) immunocompromised patients often develop a fatal, disseminated infection. 
E) intrauterine infectious are generally mild with very little damage to fetal tissues.

Question 11

Which of the following is acquired when amoebas are forced into human nasal passages during swimming?

Accepted Answer

A) Naegleria fowleri 
B) Toxoplasma gondii 
C) Balantidium coli 
D) Giardia lamblia 
E) Entamoeba histolytica 
A) Naegleria fowleri 
B) Toxoplasma gondii 
C) Balantidium coli 
D) Giardia lamblia 
E) Entamoeba histolytica

Question 12

Which of the following is a sexually-transmitted disease?

Accepted Answer

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

Question 13

Enterobius vermicularis is

Accepted Answer

A) a whipworm. 
B) common only to the tropics and subtropics. 
C) an intestinal worm that easily contaminates fingers and fomites. 
D) often fatal in heavy infestations. 
E) All of these choices are correct. 
A) a whipworm. 
B) common only to the tropics and subtropics. 
C) an intestinal worm that easily contaminates fingers and fomites. 
D) often fatal in heavy infestations. 
E) All of these choices are correct.

Question 14

Which of the following is not an effective way to minimize human contact with parasitic helminths?

Accepted Answer

A) freezing foods 
B) thoroughly cooking foods 
C) proper sewage disposal 
D) avoiding human feces as fertilizer 
E) All of these choices are correct. 
A) freezing foods 
B) thoroughly cooking foods 
C) proper sewage disposal 
D) avoiding human feces as fertilizer 
E) All of these choices are correct.

Question 15

Anna recently learned that she is pregnant and is visiting her doctor for her first prenatal visit.Among the many pieces of advice offered to ensure a safe pregnancy, the doctor specifically told Anna to avoid eating any rare meats, including steaks and roast beef, and to avoid changing her cat's litter box.These words of caution were primarily directed at avoiding contact with

Accepted Answer

A) E.coli O157:H7. 
B) Taenia saginata. 
C) Cryptosporidium. 
D) Toxoplasma gondii. 
A) E.coli O157:H7. 
B) Taenia saginata. 
C) Cryptosporidium. 
D) Toxoplasma gondii.

Question 16

Entamoeba histolytica is acquired by

Accepted Answer

A) ingestion of cysts of the pathogen. 
B) contaminated food. 
C) contaminated water. 
D) sexual contact. 
E) All of these choices are correct. 
A) ingestion of cysts of the pathogen. 
B) contaminated food. 
C) contaminated water. 
D) sexual contact. 
E) All of these choices are correct.

Question 17

All of the following pertain to tapeworms, except the

Accepted Answer

A) scolex is the attachment organ. 
B) strobila is made up of proglottids. 
C) proglottids are reproductive segments. 
D) cysticerci are young infective larvae ingested in undercooked meat. 
E) one proglottid segment will have either female or male reproductive organs. 
A) scolex is the attachment organ. 
B) strobila is made up of proglottids. 
C) proglottids are reproductive segments. 
D) cysticerci are young infective larvae ingested in undercooked meat. 
E) one proglottid segment will have either female or male reproductive organs.

Question 18

Plasmodium species are hemoflagellates.

Accepted Answer

A) True 
 B)False

Question 19

Control of _____ revolves around mosquito control and methods to prevent human-mosquito contact.

Accepted Answer

The answer of Control of _____ revolves around mosquito control...

Exam 23: The Parasites of Medical Importance

Trichinella spiralis is a/an _________ that invades the __________.

Symptoms of cryptosporidiosis include

The symptoms that occur in cyclic 48 to 72 hour episodes in a malaria patient are

The parasitic disease, caused by an apicomplexan that involves infected cats in its life cycle is

River blindness is

A person carrying one gene for sickle-cell hemoglobin will be resistant to Plasmodium infection.

Chagas'disease involves transmission of the pathogen by the

Which of the following has four pairs of flagella?

Pregnant women should never change cat litter due to the risk of contracting

Toxoplasmosis includes all the following, except

Which of the following is acquired when amoebas are forced into human nasal passages during swimming?

Which of the following is a sexually-transmitted disease?

Enterobius vermicularis is

Which of the following is not an effective way to minimize human contact with parasitic helminths?

Entamoeba histolytica is acquired by

All of the following pertain to tapeworms, except the

Plasmodium species are hemoflagellates.

Control of _____ revolves around mosquito control and methods to prevent human-mosquito contact.

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

Trichinella spiralis is a/an _ that invades the __.