Question 1

Which of the following filariases are transmitted by insect vectors?

Accepted Answer

A) elephantiasis 
B) river blindness 
C) trichinosis 
D) elephantiasis and river blindness 
A) elephantiasis 
B) river blindness 
C) trichinosis 
D) elephantiasis and river blindness

Question 2

Trypanosoma and Leshmania species are transmitted by

Accepted Answer

A) direct person-to-person contact. 
B) insect vectors. 
C) contaminated food or water. 
D) contaminated needles and syringes. 
A) direct person-to-person contact. 
B) insect vectors. 
C) contaminated food or water. 
D) contaminated needles and syringes.

Question 3

Roughly half of all adults in the United States are infected with ________ but are asymptomatic.

Accepted Answer

A) Toxoplasma gondii 
B) Trichomoniasis vaginalis 
C) Cryptosporidium parvum 
D) Cyclospora cayetanensis 
A) Toxoplasma gondii 
B) Trichomoniasis vaginalis 
C) Cryptosporidium parvum 
D) Cyclospora cayetanensis

Question 4

As a malarial infection (Plasmodium falciparum)progresses,gametocytes are formed.The gametocytes unite in the bloodstream before being picked up by the insect vector.

Accepted Answer

A) True 
 B)False

Question 5

Why do so many eukaryotic pathogens cause highly refractory and long-term chronic infections that are difficult to treat in contrast with prokaryotic pathogens?

Accepted Answer

Eukaryotic infections can be more diffic

Question 6

Malaria is

Accepted Answer

A) the most common cause of death due to infectious disease worldwide. 
B) prevented or treated with chloroquine. 
C) controlled by reducing the population of the mosquito vector. 
D) the most common cause of death due to infectious disease worldwide,although it can be controlled by reducing the population of the mosquito vector and prevented or treated with chloroquine. 
A) the most common cause of death due to infectious disease worldwide. 
B) prevented or treated with chloroquine. 
C) controlled by reducing the population of the mosquito vector. 
D) the most common cause of death due to infectious disease worldwide,although it can be controlled by reducing the population of the mosquito vector and prevented or treated with chloroquine.

Question 7

Which of the following is the MOST common mode of transmission of parasitic infections?

Accepted Answer

A) direct person-to-person contact 
B) contaminated fomites 
C) contaminated food or water 
D) contaminated needles and syringes 
A) direct person-to-person contact 
B) contaminated fomites 
C) contaminated food or water 
D) contaminated needles and syringes

Question 8

Giardia intestinalis and Trichomoniasis vaginalis lack ________ and have ________.

Accepted Answer

A) a flagellum / cilia instead 
B) mitochondria / an anaerobic metabolism 
C) a cell wall / a rigid cell membrane 
D) cysts / sporozoites instead 
A) a flagellum / cilia instead 
B) mitochondria / an anaerobic metabolism 
C) a cell wall / a rigid cell membrane 
D) cysts / sporozoites instead

Question 9

Humans are incidental hosts for ________,thus infected humans CANNOT spread the disease.

Accepted Answer

A) Toxoplasma gondii 
B) Trichomoniasis vaginalis 
C) Entamoeba histolytica 
D) Plasmodium vivax 
A) Toxoplasma gondii 
B) Trichomoniasis vaginalis 
C) Entamoeba histolytica 
D) Plasmodium vivax

Question 10

The microorganism Cryptosporidium parvum is a

Accepted Answer

A) fungus. 
B) bacterium. 
C) protozoan. 
D) virus. 
A) fungus. 
B) bacterium. 
C) protozoan. 
D) virus.

Question 11

Why are systemic fungal infections seen only in a subset of the population,even though most people contact fungi and fungal spores in soil and dust all of the time? Contrast the epidemiology of systemic fungal infections with giardiasis,which infects virtually everyone that comes in contact with the pathogen.

Accepted Answer

Most of the population has sufficient im

Question 12

How does insect ecology and the life cycle of Plasmodium impact the epidemiology and pathogenesis of classic malaria?

Accepted Answer

Malaria is spread only by female Anophel

Question 13

ALL fungal infections can broadly be termed

Accepted Answer

A) benign. 
B) systemic. 
C) superficial. 
D) mycoses. 
A) benign. 
B) systemic. 
C) superficial. 
D) mycoses.

Question 14

Naegleria fowleri is a free-living ________ that causes infection by ________.

Accepted Answer

A) amoeba / entering through the nose and burrowing into the brain 
B) fungus / entering the lungs when contaminated soil is disturbed 
C) flagellated protist / crossing the intestinal mucosa into the blood 
D) protist / entering the vagina in women,the prostate and seminal vesicles of men,or the urethra of both males and females 
A) amoeba / entering through the nose and burrowing into the brain 
B) fungus / entering the lungs when contaminated soil is disturbed 
C) flagellated protist / crossing the intestinal mucosa into the blood 
D) protist / entering the vagina in women,the prostate and seminal vesicles of men,or the urethra of both males and females

Question 15

Systemic fungal infections are difficult to treat because active antifungal drugs cause significant host toxicity.

Accepted Answer

A) True 
 B)False

Question 16

Plasmodium vivax causes a more serious form of malaria than does P.falciparum.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is considered an opportunistic pathogen?

Accepted Answer

A) Toxoplasma gondii 
B) Trichomoniasis vaginalis 
C) Candida albicans 
D) Plasmodium vivax 
A) Toxoplasma gondii 
B) Trichomoniasis vaginalis 
C) Candida albicans 
D) Plasmodium vivax

Question 18

The MOST effective malarial control measure is to interrupt the life cycle of the parasite by eliminating the obligate host,the Anopheles mosquito.

Accepted Answer

A) True 
 B)False

Question 19

How are trypanosome diseases similar to malaria? How are they different than malaria?

Accepted Answer

Both trypanosome diseases and malaria ar

Question 20

Systemic fungal infections are often transmitted by ________; however,a recent outbreak of fungal disease was traced to ________.

Accepted Answer

A) accidental inhalation of spores / contaminated injectable pharmaceuticals 
B) ingestion of contaminated food / contaminated toilet seats 
C) direct contact with skin lesions / sexual contact 
D) sexual contact / contaminated toilet seats 
A) accidental inhalation of spores / contaminated injectable pharmaceuticals 
B) ingestion of contaminated food / contaminated toilet seats 
C) direct contact with skin lesions / sexual contact 
D) sexual contact / contaminated toilet seats

Exam 32: Eukaryotic Pathogens: Fungal and Parasitic Diseases

Which of the following filariases are transmitted by insect vectors?

Trypanosoma and Leshmania species are transmitted by

Roughly half of all adults in the United States are infected with ________ but are asymptomatic.

As a malarial infection (Plasmodium falciparum)progresses,gametocytes are formed.The gametocytes unite in the bloodstream before being picked up by the insect vector.

Why do so many eukaryotic pathogens cause highly refractory and long-term chronic infections that are difficult to treat in contrast with prokaryotic pathogens?

Malaria is

Which of the following is the MOST common mode of transmission of parasitic infections?

Giardia intestinalis and Trichomoniasis vaginalis lack ________ and have ________.

Humans are incidental hosts for ________,thus infected humans CANNOT spread the disease.

The microorganism Cryptosporidium parvum is a

How does insect ecology and the life cycle of Plasmodium impact the epidemiology and pathogenesis of classic malaria?

ALL fungal infections can broadly be termed

Naegleria fowleri is a free-living ________ that causes infection by ________.

Systemic fungal infections are difficult to treat because active antifungal drugs cause significant host toxicity.

Plasmodium vivax causes a more serious form of malaria than does P.falciparum.

Which of the following is considered an opportunistic pathogen?

The MOST effective malarial control measure is to interrupt the life cycle of the parasite by eliminating the obligate host,the Anopheles mosquito.

How are trypanosome diseases similar to malaria? How are they different than malaria?

Systemic fungal infections are often transmitted by ________; however,a recent outbreak of fungal disease was traced to ________.

Microorganisms and Microbiology

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Biology

Microbial Growth and Control

Microbial Genomics

Metabolic Regulation

Viruses and Virology

Viral Genomes and Diversity

Genetics of Bacteria and Archaea

Genetic Engineering and Biotechnology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Bacteria

Diversity of Bacteria

Diversity of Archaea

Diversity of Eukaryotic Microorganisms

Methods in Microbial Ecology

Microbial Ecosystems

Nutrient Cycles

Microbiology of the Built Environment

Microbial Symbioses

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology

Epidemiology

Person-To-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Water and Food As Vehicles of Bacterial Diseases

Filters

Giardia intestinalis and Trichomoniasis vaginalis lack and have .

Naegleria fowleri is a free-living that causes infection by .

Systemic fungal infections are often transmitted by ; however,a recent outbreak of fungal disease was traced to .