Question 1

Which of the following statements is true?

Accepted Answer

A) Trichomoniasis is treated with a 95% success rate with oral metronidazole 
B) Trichomonas forms cysts that can survive outside the host 
C) Trichomonas is invasive 
D) Trichomonas uses cell surface molecules for attachment to host epithelium 
E) Trichomoniasis is transmitted through the fecal-oral route 
A) Trichomoniasis is treated with a 95% success rate with oral metronidazole 
B) Trichomonas forms cysts that can survive outside the host 
C) Trichomonas is invasive 
D) Trichomonas uses cell surface molecules for attachment to host epithelium 
E) Trichomoniasis is transmitted through the fecal-oral route

Question 2

Which of the following diseases is not caused by nematodes?

Accepted Answer

A) Ascariasis 
B) Trichomoniasis 
C) Hookworm 
D) Enterobiasis 
A) Ascariasis 
B) Trichomoniasis 
C) Hookworm 
D) Enterobiasis

Question 3

Unicellular fungi are referred to as

Accepted Answer

A) Conidia 
B) Molds 
C) Dimorphic 
D) Yeasts 
E) Opportunistic 
A) Conidia 
B) Molds 
C) Dimorphic 
D) Yeasts 
E) Opportunistic

Question 4

One of the differences between protozoans and helminths is that protozoans are _____,whereas helminths are _____.

Accepted Answer

A) Free-living; parasitic 
B) Unicellular; multicellular 
C) Free-living; obligate intracellular pathogens 
D) Segmented; flagellated 
A) Free-living; parasitic 
B) Unicellular; multicellular 
C) Free-living; obligate intracellular pathogens 
D) Segmented; flagellated

Question 5

All of the following are examples of diseases caused by trematodes except

Accepted Answer

A) Enterobiasis 
B) Clonorchiasis 
C) Schistosomiasis 
D) Paragonimiasis 
A) Enterobiasis 
B) Clonorchiasis 
C) Schistosomiasis 
D) Paragonimiasis

Question 6

Rearrange the following into the order of events following ingestion of Ascaris eggs.Which is the first event?

Accepted Answer

A) Invasion of intestinal epithelium 
B) Pumped into the lung 
C) Conversion to larval stage 
D) Coughed into mouth 
E) Liver invasion 
A) Invasion of intestinal epithelium 
B) Pumped into the lung 
C) Conversion to larval stage 
D) Coughed into mouth 
E) Liver invasion

Question 7

Answer true or false to the following statement: There are no examples of anaerobic fungi.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following symptoms are common in an infection with Toxoplasma gondii?

Accepted Answer

A) Pain, vaginal discharge, and dysuria 
B) A chancre and swollen lymph nodes 
C) Tissue cysts in skeletal muscle 
D) Nausea, abdominal pain, and diarrhea 
E) Fever accompanied by worms vomited up or passed in the stool 
A) Pain, vaginal discharge, and dysuria 
B) A chancre and swollen lymph nodes 
C) Tissue cysts in skeletal muscle 
D) Nausea, abdominal pain, and diarrhea 
E) Fever accompanied by worms vomited up or passed in the stool

Question 9

The American form of trypanosomiasis is called

Accepted Answer

A) Chagas' disease 
B) Amebiasis 
C) Sleeping sickness 
D) Enterobiasis 
E) Ascariasis 
A) Chagas' disease 
B) Amebiasis 
C) Sleeping sickness 
D) Enterobiasis 
E) Ascariasis

Question 10

Answer true or false to the following statement: The study of fungi is called parasitology.

Accepted Answer

A) True 
 B)False

Question 11

Answer true or false to the following statement: Medically important fungi can be distinguished by transfer RNA analysis.

Accepted Answer

A) True 
 B)False

Question 12

Rearrange the following into the order of events following ingestion of Ascaris eggs.Which is the fourth event?

Accepted Answer

A) Invasion of intestinal epithelium 
B) Pumped into the lung 
C) Conversion to larval stage 
D) Coughed into mouth 
E) Liver invasion 
A) Invasion of intestinal epithelium 
B) Pumped into the lung 
C) Conversion to larval stage 
D) Coughed into mouth 
E) Liver invasion

Question 13

Ascaris lumbricoides infection would result in which symptoms?

Accepted Answer

A) Pain, vaginal discharge, and dysuria 
B) A chancre and swollen lymph nodes 
C) Tissue cysts in skeletal muscle 
D) Nausea, abdominal pain, and diarrhea 
E) Fever accompanied by worms vomited up or passed in the stool 
A) Pain, vaginal discharge, and dysuria 
B) A chancre and swollen lymph nodes 
C) Tissue cysts in skeletal muscle 
D) Nausea, abdominal pain, and diarrhea 
E) Fever accompanied by worms vomited up or passed in the stool

Question 14

Schistosomiasis is often treated with _____ to limit severe infections.

Accepted Answer

A) Penicillin 
B) Corticosteroids 
C) Metronidazole 
D) Sulfonamides 
E) Arsenic-containing compounds 
A) Penicillin 
B) Corticosteroids 
C) Metronidazole 
D) Sulfonamides 
E) Arsenic-containing compounds

Question 15

Rearrange the following into the order of events following ingestion of Ascaris eggs.Which is the third event?

Accepted Answer

A) Invasion of intestinal epithelium 
B) Pumped into the lung 
C) Conversion to larval stage 
D) Coughed into mouth 
E) Liver invasion 
A) Invasion of intestinal epithelium 
B) Pumped into the lung 
C) Conversion to larval stage 
D) Coughed into mouth 
E) Liver invasion

Question 16

Cestodes are associated with all of the following characteristics except

Accepted Answer

A) Possession of a head called the scolex 
B) Use of a retractable rostellum for attachment 
C) Hermaphroditic nature 
D) Absorption of nutrients across cuticle 
E) Known as roundworms 
A) Possession of a head called the scolex 
B) Use of a retractable rostellum for attachment 
C) Hermaphroditic nature 
D) Absorption of nutrients across cuticle 
E) Known as roundworms

Question 17

Describe the lifecycle of Plasmodium falciparum beginning with the ingestion of human blood by the Anopheles mosquito.

Accepted Answer

Gametocytes in the blood of an infected

Question 18

Which of the following symptoms would indicate infection with Trichinella spiralis?

Accepted Answer

A) Pain, vaginal discharge, and dysuria 
B) A chancre and swollen lymph nodes 
C) Tissue cysts in skeletal muscle 
D) Nausea, abdominal pain, and diarrhea 
E) Fever accompanied by worms vomited up or passed in the stool 
A) Pain, vaginal discharge, and dysuria 
B) A chancre and swollen lymph nodes 
C) Tissue cysts in skeletal muscle 
D) Nausea, abdominal pain, and diarrhea 
E) Fever accompanied by worms vomited up or passed in the stool

Question 19

All of the following are possible symptoms of malaria except

Accepted Answer

A) Hypotension 
B) Hemoglobinuria 
C) Fever 
D) Thrombocytopenia 
E) Elevated red blood cell level 
A) Hypotension 
B) Hemoglobinuria 
C) Fever 
D) Thrombocytopenia 
E) Elevated red blood cell level

Question 20

All of the following are possessed by helminths except

Accepted Answer

A) An excretory system 
B) A circulatory system 
C) Anaerobic respiration 
D) A primitive nervous system 
E) Bilateral symmetry 
A) An excretory system 
B) A circulatory system 
C) Anaerobic respiration 
D) A primitive nervous system 
E) Bilateral symmetry

Exam 14: Parasitic and Fungal Infections

Which of the following statements is true?

Which of the following diseases is not caused by nematodes?

Unicellular fungi are referred to as

One of the differences between protozoans and helminths is that protozoans are _____,whereas helminths are _____.

All of the following are examples of diseases caused by trematodes except

Rearrange the following into the order of events following ingestion of Ascaris eggs.Which is the first event?

Answer true or false to the following statement: There are no examples of anaerobic fungi.

Which of the following symptoms are common in an infection with Toxoplasma gondii?

The American form of trypanosomiasis is called

Answer true or false to the following statement: The study of fungi is called parasitology.

Answer true or false to the following statement: Medically important fungi can be distinguished by transfer RNA analysis.

Rearrange the following into the order of events following ingestion of Ascaris eggs.Which is the fourth event?

Ascaris lumbricoides infection would result in which symptoms?

Schistosomiasis is often treated with _____ to limit severe infections.

Rearrange the following into the order of events following ingestion of Ascaris eggs.Which is the third event?

Cestodes are associated with all of the following characteristics except

Describe the lifecycle of Plasmodium falciparum beginning with the ingestion of human blood by the Anopheles mosquito.

Which of the following symptoms would indicate infection with Trichinella spiralis?

All of the following are possible symptoms of malaria except

All of the following are possessed by helminths except

What is Microbiology and Why Does it Matter?

Fundamental Chemistry for Microbiology

Essentials of Metabolism

An Introduction to Cell Structure and Host-Pathogen Relationships

Requirements for Infection

Transmission of Infection, the Compromised Host, Epidemiology, and Diagnosing Infections

Principles of Disease

Emerging and Re-Emerging Infectious Disease

The Clinical Significance of Bacterial Anatomy

Bacterial Growth

Microbial Genetics and Infectious Disease

The Structure and Infection Cycle of Viruses

Viral Infection

The Innate Immune Response

The Adaptive Immune Response

Failures of the Immune Response

Control of Microbial Growth with Disinfectants and Antiseptics

Antibiotics and Antimicrobial Drugs

Antibiotic Resistance

Infections of the Respiratory System

Infections of the Digestive System

Infections of the Genitourinary System

Infections of the Central Nervous System

Infections of the Blood and Lymph

Infections of the Skin and Eyes

Filters

One of the differences between protozoans and helminths is that protozoans are _,whereas helminths are _.