Question 1

Which of the following is most useful for the definitive diagnosis of Lyme disease?

Accepted Answer

A) blood cultures 
B) culture of the bull's-eye rash on Lyme-selective agar 
C) Gram stain of blood specimen 
D) Lyme antibody titers 
E) All of these choices are correct. 
A) blood cultures 
B) culture of the bull's-eye rash on Lyme-selective agar 
C) Gram stain of blood specimen 
D) Lyme antibody titers 
E) All of these choices are correct.

Question 2

During which stage of syphilis does fever, lymphadenopathy, and a red to brown rash occur?

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) latent 
E) All of these choices are correct 
A) primary 
B) secondary 
C) tertiary 
D) latent 
E) All of these choices are correct

Question 3

Which of the following organisms causes a type of diarrhea with stools described as watery "rice water stools"?

Accepted Answer

A) Vibrio vulnificus 
B) Vibrio parahaemolyticus 
C) Vibrio cholerae 
D) Campylobacter jejuni 
E) Helicobacter pylori 
A) Vibrio vulnificus 
B) Vibrio parahaemolyticus 
C) Vibrio cholerae 
D) Campylobacter jejuni 
E) Helicobacter pylori

Question 4

Ornithosis

Accepted Answer

A) is caused by Chlamydophila pneumoniae. 
B) is a zoonosis of certain types of birds. 
C) is a mild, upper respiratory tract illness. 
D) has humans as a reservoir. 
E) All of these choices are correct. 
A) is caused by Chlamydophila pneumoniae. 
B) is a zoonosis of certain types of birds. 
C) is a mild, upper respiratory tract illness. 
D) has humans as a reservoir. 
E) All of these choices are correct.

Question 5

Which is incorrect about Mycoplasma pneumoniae?

Accepted Answer

A) Birds are a reservoir. 
B) It is a common cause of primary atypical pneumonia. 
C) Early infections are characterized by fever, malaise, sore throat, headache. 
D) After 2 to 3 weeks, it develops into an unproductive cough and earache. 
E) Its cells lack a cell wall. 
A) Birds are a reservoir. 
B) It is a common cause of primary atypical pneumonia. 
C) Early infections are characterized by fever, malaise, sore throat, headache. 
D) After 2 to 3 weeks, it develops into an unproductive cough and earache. 
E) Its cells lack a cell wall.

Question 6

Which of the following is not transmitted via an arthropod vector?

Accepted Answer

A) leptospirosis 
B) Lyme disease 
C) Rocky Mountain spotted fever 
D) epidemic typhus 
E) human Ehrlichosis 
A) leptospirosis 
B) Lyme disease 
C) Rocky Mountain spotted fever 
D) epidemic typhus 
E) human Ehrlichosis

Question 7

When plaque becomes mineralized with calcium and phosphate crystals, it becomes a hard, porous substance called _____.

Accepted Answer

The answer of When plaque becomes mineralized with calcium and...

Question 8

Treponema pallidum subspecies pallidum

Accepted Answer

A) has humans as the reservoir. 
B) can cross the placenta. 
C) is the cause of syphilis. 
D) is transmitted by direct sexual contact. 
E) All of these choices are correct. 
A) has humans as the reservoir. 
B) can cross the placenta. 
C) is the cause of syphilis. 
D) is transmitted by direct sexual contact. 
E) All of these choices are correct.

Question 9

Which is mismatched?

Accepted Answer

A) epidemic typhus - body louse feces 
B) murine typhus - flea feces 
C) rickettsial pox - mite bite 
D) Rocky Mountain spotted fever - tick bite 
E) human ehrlichiosis - flea bite 
A) epidemic typhus - body louse feces 
B) murine typhus - flea feces 
C) rickettsial pox - mite bite 
D) Rocky Mountain spotted fever - tick bite 
E) human ehrlichiosis - flea bite

Question 10

The tertiary stage of syphilis

Accepted Answer

A) is when gummas develop in tissues. 
B) is when the patient is highly infectious to others. 
C) occurs within 10 days of the primary stage. 
D) has no symptoms. 
E) is when a chancre develops. 
A) is when gummas develop in tissues. 
B) is when the patient is highly infectious to others. 
C) occurs within 10 days of the primary stage. 
D) has no symptoms. 
E) is when a chancre develops.

Question 11

After being bitten by a tick on a hiking trip, Amy had chills, headache, muscle pain, nausea, lethargy, and a rash.Before further testing, Amy's health care provider gave her information about which of the following diseases?

Accepted Answer

A) anaplasmosis 
B) ehrlichiosis 
C) Shigella and dysentery 
D) Streptococcus pyogenes and strep throat 
E) Both anaplasmosis and ehrlichiosis are correct.
F)All of these choices are correct 
A) anaplasmosis 
B) ehrlichiosis 
C) Shigella and dysentery 
D) Streptococcus pyogenes and strep throat 
E) Both anaplasmosis and ehrlichiosis are correct.
F)All of these choices are correct

Question 12

Oral flora bacteria on the tooth surface

Accepted Answer

A) develop a biofilm. 
B) use fimbriae and slime layers to adhere. 
C) include streptococci that metabolize sucrose, produce sticky glucans, and form plaque. 
D) include lactobacilli and streptococci that ferment carbohydrates and produce acids that cause caries. 
E) All of these choices are correct. 
A) develop a biofilm. 
B) use fimbriae and slime layers to adhere. 
C) include streptococci that metabolize sucrose, produce sticky glucans, and form plaque. 
D) include lactobacilli and streptococci that ferment carbohydrates and produce acids that cause caries. 
E) All of these choices are correct.

Question 13

All of the following can positively influence the structure of tooth enamel except

Accepted Answer

A) fluoride. 
B) lysozyme in saliva. 
C) antibodies in saliva. 
D) refined sugar. 
E) genetics. 
A) fluoride. 
B) lysozyme in saliva. 
C) antibodies in saliva. 
D) refined sugar. 
E) genetics.

Question 14

In patients with diabetes or liver disease, ingestion of raw oysters contaminated with this organism can lead to death.

Accepted Answer

A) Vibrio vulnificus 
B) Vibrio parahaemolyticus 
C) Vibrio cholerae 
D) Campylobacter jejuni 
E) Helicobacter pylori 
A) Vibrio vulnificus 
B) Vibrio parahaemolyticus 
C) Vibrio cholerae 
D) Campylobacter jejuni 
E) Helicobacter pylori

Question 15

Lyme disease involves

Accepted Answer

A) early symptoms of fever, headache, stiff neck. 
B) crippling polyarthritis and cardiovascular and neurological problems. 
C) people having contact with wooded or forested areas. 
D) treatment with antimicrobics. 
E) All of these choices are correct. 
A) early symptoms of fever, headache, stiff neck. 
B) crippling polyarthritis and cardiovascular and neurological problems. 
C) people having contact with wooded or forested areas. 
D) treatment with antimicrobics. 
E) All of these choices are correct.

Question 16

Permanent cardiovascular and neurological damage is seen in which stage of syphilis?

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) latent 
E) All of these choices are correct. 
A) primary 
B) secondary 
C) tertiary 
D) latent 
E) All of these choices are correct.

Question 17

The chancre of syphilis

Accepted Answer

A) occurs due to small hemorrhaging of capillaries. 
B) is very painful. 
C) occurs during the tertiary stage. 
D) develops into a lesion with firm margins and an ulcerated central crater. 
E) All of these choices are correct. 
A) occurs due to small hemorrhaging of capillaries. 
B) is very painful. 
C) occurs during the tertiary stage. 
D) develops into a lesion with firm margins and an ulcerated central crater. 
E) All of these choices are correct.

Question 18

Relapsing fever involves

Accepted Answer

A) soft-bodied ticks transmitting Borrelia hermsii. 
B) initial symptoms of fever, headache, fatigue. 
C) campers and forestry personnel. 
D) human body louse transmitting Borrelia recurrentis. 
E) All of these choices are correct. 
A) soft-bodied ticks transmitting Borrelia hermsii. 
B) initial symptoms of fever, headache, fatigue. 
C) campers and forestry personnel. 
D) human body louse transmitting Borrelia recurrentis. 
E) All of these choices are correct.

Question 19

Syphilitic tumors called _____ develop in the liver, skin, bone, and cartilage during the tertiary stage of syphilis.

Accepted Answer

The answer of Syphilitic tumors called _____ develop in the...

Question 20

The Argyll-Robertson pupil that is fixed and small, and does not react to light but does accommodate for focusing is associated with

Accepted Answer

A) Lyme disease. 
B) leptospirosis. 
C) chlamydiosis. 
D) Rocky Mountain spotted fever. 
E) tertiary syphilis. 
A) Lyme disease. 
B) leptospirosis. 
C) chlamydiosis. 
D) Rocky Mountain spotted fever. 
E) tertiary syphilis.

Exam 21: Miscellaneous Bacterial Agents of Disease

Which of the following is most useful for the definitive diagnosis of Lyme disease?

During which stage of syphilis does fever, lymphadenopathy, and a red to brown rash occur?

Which of the following organisms causes a type of diarrhea with stools described as watery "rice water stools"?

Ornithosis

Which is incorrect about Mycoplasma pneumoniae?

Which of the following is not transmitted via an arthropod vector?

When plaque becomes mineralized with calcium and phosphate crystals, it becomes a hard, porous substance called _____.

Treponema pallidum subspecies pallidum

Which is mismatched?

The tertiary stage of syphilis

After being bitten by a tick on a hiking trip, Amy had chills, headache, muscle pain, nausea, lethargy, and a rash.Before further testing, Amy's health care provider gave her information about which of the following diseases?

Oral flora bacteria on the tooth surface

All of the following can positively influence the structure of tooth enamel except

In patients with diabetes or liver disease, ingestion of raw oysters contaminated with this organism can lead to death.

Lyme disease involves

Permanent cardiovascular and neurological damage is seen in which stage of syphilis?

The chancre of syphilis

Relapsing fever involves

Syphilitic tumors called _____ develop in the liver, skin, bone, and cartilage during the tertiary stage of syphilis.

The Argyll-Robertson pupil that is fixed and small, and does not react to light but does accommodate for focusing is associated with

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

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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