Question 1

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.F) B) and C)
G) A) and D)

Question 2

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.F) D) and E)
G) A) and B)

Question 3

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.F) B) and C)
G) A) and B)

Question 4

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 correctG) A) and F)
H) D) and F)

Question 5

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 6

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 biteF) C) and D)
G) D) and E)

Question 7

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.F) A) and C)
G) A) and E)

Question 8

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.F) All of the above
G) B) and D)

Question 9

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 EhrlichosisF) B) and E)
G) A) and B)

Question 10

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.F) None of the above
G) All of the above

Question 11

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.F) C) and D)
G) A) and E)

Question 12

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 pyloriF) All of the above
G) None of the above

Question 13

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.F) B) and D)
G) B) and C)

Question 14

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.F) A) and C)
G) C) and E)

Question 15

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 pyloriF) B) and C)
G) A) and C)

Question 16

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.F) A) and B)
G) A) and C)

Question 17

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 18

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.F) C) and E)
G) C) and D)

Question 19

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 correctF) All of the above
G) D) and E)

Question 20

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

Exam 21: Miscellaneous Bacterial Agents of Disease

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Oral flora bacteria on the tooth surface

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Relapsing fever involves

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Which is mismatched?

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

Correct AnswerverifiedShow Answer

Which is incorrect about Mycoplasma pneumoniae?

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The tertiary stage of syphilis

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Ornithosis

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Lyme disease involves

Correct AnswerverifiedShow Answer

The chancre of syphilis

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Treponema pallidum subspecies pallidum

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