Filters
Question type
Study Flashcards

Which is not a characteristic of Helicobacter pylori?


A) Produces urease to buffer stomach acidity
B) Curved rods
C) Lives in the stomach
D) Produces enteroxin that causes diarrhea
E) Gram-negative

F) A) and B)
G) B) and E)

Correct Answer

verifed

verified

The most common bacterial cause of diarrhea in the United States is ______.


A) Campylobacter
B) Salmonella
C) E. coli
D) Shigella

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

The only body fluid that can transmit Hepatitis B virus is blood.

A) True
B) False

Correct Answer

verifed

verified

The most immediate and important treatment needed to prevent death in cholera victims is ______.


A) broad-spectrum antimicrobials
B) antitoxin
C) surgery
D) water and electrolyte replacement

E) A) and C)
F) None of the above

Correct Answer

verifed

verified

Carriers of Hepatitis B virus are not common.

A) True
B) False

Correct Answer

verifed

verified

The most dangerous outcome of a Taenia solium infection occurs when humans ingest tapeworm eggs rather than cysticerci.This type of transmission occurs by


A) consuming "chitlins," pig intestines from an infected animal.
B) drinking water contaminated with feces from infected animals.
C) consuming undercooked pork with encysted Taenia.
D) consuming plants that haven't been thoroughly washed of soil.

E) C) and D)
F) None of the above

Correct Answer

verifed

verified

There are vaccines for immunity to the Hepatitis B virus.

A) True
B) False

Correct Answer

verifed

verified

Which of the following statements regarding trichinosis is incorrect?


A) Coiled larvae are encysted in skeletal muscle.
B) The disease can be transmitted by the fecal-oral route.
C) Larvae migrate from intestines to blood and various body tissues.
D) The disease is associated with undercooked pork.

E) A) and C)
F) None of the above

Correct Answer

verifed

verified

There are no infectious agents that can penetrate intact skin.

A) True
B) False

Correct Answer

verifed

verified

Boiling will not inactivate Giardia lamblia cysts in contaminated water.

A) True
B) False

Correct Answer

verifed

verified

Helicobacter pylori causes ______.


A) gastritis
B) duodenal ulcers
C) stomach ulcers
D) increased risk for stomach cancer
E) All of the choices are correct.

F) A) and E)
G) All of the above

Correct Answer

verifed

verified

Which organ of the gastrointestinal tract has a large commensal population of microorganisms?


A) Pancreas
B) Liver
C) Salivary glands
D) Small intestine
E) Large intestine

F) A) and C)
G) C) and D)

Correct Answer

verifed

verified

A metagenomic study from a never-before-seen type of gingival infection indicates the presence of large numbers of archaea.Which of the following would be a good practice to isolate this organism?


A) Incubate the isolation medium adjacent to a bright full-spectrum light.
B) Incubate the isolation medium at about 90°C.
C) Use an anaerobic medium and incubate in a sealed container.
D) Adjust the pH of the medium to below 5.

E) A) and B)
F) B) and C)

Correct Answer

verifed

verified

The most common infectious disease in humans is ______.


A) dental caries
B) gastritis
C) the common cold
D) pharyngitis
E) diarrhea

F) C) and E)
G) All of the above

Correct Answer

verifed

verified

Paramyxoviruses evade the host immune system by


A) infecting only red blood cells.
B) entering new cells by inducing syncytia formation.
C) producing an inhibitor specific for lymphocyte receptors.
D) a display of host antigens on its surface.

E) All of the above
F) C) and D)

Correct Answer

verifed

verified

The most common cause of liver cancer in the United States is hepatitis ______ virus.


A) A
B) B
C) C
D) D

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

Inflammation of the liver with necrosis of the hepatocytes and swelling due to a mononuclear response is a disease called ______.


A) jaundice
B) cirrhosis
C) mononucleosis
D) hepatitis

E) C) and D)
F) B) and C)

Correct Answer

verifed

verified

The best treatment for acute diarrhea is oral replacement of electrolytes and water.

A) True
B) False

Correct Answer

verifed

verified

Which of the following statements regarding helminths causing intestinal distress plus migratory symptoms is incorrect?


A) Praziquantel is the best treatment option for infection with these helminths.
B) All of these infections are associated with eosinophilia, which can be detected in a complete blood count.
C) Tissues along the migratory route of the helminth experience inflammation.
D) Nearly all newborn puppies in the U.S. are infected with Toxocara species.

E) A) and C)
F) All of the above

Correct Answer

verifed

verified

Just back from a trip to South America,you now have a severe diarrheal illness.Your symptoms,other than diarrhea,are pain,cramps,some fecal blood,and fever.These are symptoms of many of the gastrointestinal diseases,so that information does not help you or the doctors identify the infectious agent.Your doctor wants to send a fecal sample to the microbiology lab for them to look at it under the light microscope.Based upon this protocol selection,the physician believes that you have ______.


A) salmonellosis
B) hepatitis A
C) rotavirus
D) cholera
E) amoebiasis

F) A) and E)
G) A) and D)

Correct Answer

verifed

verified

Showing 61 - 80 of 106

Related Exams

Exam 1

The Main Themes of Microbiology

61 Questions

Exam 2

The Chemistry of Biology

77 Questions

Exam 3

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

75 Questions

Exam 4

Bacteria and Archaea

94 Questions

Exam 5

Eukaryotic Cells and Microorganisms

92 Questions

Exam 6

An Introduction to the Viruses

96 Questions

Exam 15

Host Defenses II: Specific Immunity and Immunization

97 Questions

Exam 8

Microbial Metabolism: The Chemical Crossroads of Life

100 Questions

Exam 9

Microbial Genetics

104 Questions

Exam 10

Genetic Engineering and Recombinant Dna

83 Questions

Exam 11

Physical and Chemical Control of Microbes

104 Questions

Exam 12

Antimicrobial Treatment

109 Questions

Exam 13

Microbe-Human Interactions: Health and Disease

108 Questions

Exam 14

Host Defenses I: Overview and Nonspecific Defenses

91 Questions

Exam 15

Host Defenses II: Specific Immunity and Immunization

93 Questions

Exam 16

Disorders in Immunity

83 Questions

Exam 17

Diagnosing Infections

84 Questions

Exam 18

Infectious Diseases Affecting the Skin and Eyes

86 Questions

Exam 19

Infectious Diseases Affecting the Nervous System

82 Questions

Exam 20

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

85 Questions

Exam 21

Infectious Diseases Affecting the Respiratory System

95 Questions

Exam 23

Infectious Diseases Affecting the Genitourinary System

81 Questions

Exam 24

Microbes and the Environment

76 Questions

Exam 25

Applied Microbiology and Food and Water Safety

83 Questions

Show Answer