Question 1

Which statement is not true about syphilis?

Accepted Answer

A)  Dark-field examination may be used to diagnose syphilitic lesions on the skin. 
B)  Syphilis is generally treated with penicillin. 
C)  The VDRL and fluorescent treponemal antibody absorption (FTA-ABS) tests are commonly used to confirm the diagnosis of syphilis. 
D)  The antibody titer increases if treatment has been successful.

Question 2

Candidiasis is the result of an overgrowth of a

Accepted Answer

A)  yeastlike fungus. 
B)  spirochete. 
C)  filamentous bacterium. 
D)  fusiform bacillus.

Question 3

The lesions seen in this illustration are not commonly found in HIV-infected patients. Which is the likely diagnosis?

Accepted Answer

A)  Candidiasis 
B)  Hairy leukoplakia 
C)  Herpes simplex 
D)  Heck disease

Question 4

The varicella-zoster virus causes a highly contagious disease in children termed

Accepted Answer

A)  shingles. 
B)  chickenpox. 
C)  mumps. 
D)  measles.

Question 5

Why are newborn babies susceptible to an infection with Candida albicans?

Accepted Answer

A)  Newborns are always susceptible to numerous infections. 
B)  The organism can cross the placenta. 
C)  Babies do not have a fully developed immune system. 
D)  The infection can be passed during breast-feeding.

Question 6

In herpes labialis, the amount of virus present is highest in the __________ stage.

Accepted Answer

A)  crusted 
B)  prodromal 
C)  vesicle 
D)  healing

Question 7

Each benign lesion is caused by the HPV except one. Which one is the exception?

Accepted Answer

A)  Focal epithelial hyperplasia 
B)  Condyloma acuminatum 
C)  NUG 
D)  Verruca vulgaris

Question 8

Deep fungal infections include all except

Accepted Answer

A)  histoplasmosis. 
B)  coccidioidomycosis. 
C)  blastomycosis. 
D)  actinomycosis.

Question 9

This lesion in the commissure is most likely caused by Candida albicans or a nutritional deficiency and is termed

Accepted Answer

A)  pseudomembranous candidiasis. 
B)  angular cheilitis. 
C)  chronic mucocutaneous candidiasis. 
D)  chronic atrophic candidiasis.

Question 10

For each disorder listed below, select the most closely linked clinical appearance from the list provided.
-Painful vesicles and ulcers that can occur anywhere in the mouth; present in epidemic form in children younger than 5 years

Accepted Answer

A) Herpangina 
B) Measles 
C) Acute lymphonodular pharyngitis 
D) Hairy leukoplakia 
E) Hand-foot-and-mouth disease
F)Mumps

Question 11

In testing for HIV infection, which antibody test is performed initially before the confirmatory Western blot test?

Accepted Answer

A)  VDRL 
B)  ELISA (EI
A)  
C)  FTA-ABS 
D)  CBC

Question 12

MATCHING
For each clinical appearance listed below, select the most closely linked disorder from the list provided.
-Primary (chancre), secondary (mucous patch), tertiary (gumma)

Accepted Answer

A) Impetigo 
B) Tuberculosis 
C) Actinomycosis 
D) Syphilis 
E) Primary herpetic gingivostomatitis
F)Verrucous vulgaris
G)Condyloma acuminatum

Question 13

The initial infection and signs and symptoms of deep fungal infections, including histoplasmosis, coccidioidomycosis, and blastomycosis, are related to diseases in which location?

Accepted Answer

A)  Lung 
B)  Kidney 
C)  Lymph nodes 
D)  Nasal cavity

Question 14

A PPD test has been administered to check if your patient has been exposed and infected with the Mycobacterium tuberculosis infection. The results of the skin test were positive. What is the next step?

Accepted Answer

A)  Begin treatment immediately with isoniazid 
B)  Expose a chest radiograph 
C)  Send the patient to the physician for blood and urine samples 
D)  Confine the patient to bed for 7-10 days

Question 15

MATCHING
For each clinical appearance listed below, select the most closely linked disorder from the list provided.
-Multiple tiny vesicles that progress to form painful ulcers

Accepted Answer

A) Impetigo 
B) Tuberculosis 
C) Actinomycosis 
D) Syphilis 
E) Primary herpetic gingivostomatitis
F)Verrucous vulgaris
G)Condyloma acuminatum

Question 16

Which condition does not contribute to the overgrowth of Candida albicans?

Accepted Answer

A)  Antibiotic therapy 
B)  Dentures 
C)  Cancer chemotherapy 
D)  Angioedema

Question 17

Opportunistic infections can occur because the oral microflora is affected by changes such as a decrease in salivary flow, immune system alterations, or antibiotic administration.

Accepted Answer

A)  Both the statement and reason are correct and related. 
B)  Both the statement and reason are correct but not related. 
C)  The statement is correct, but the reason is not. 
D)  The statement is not correct, but the reason is correct. 
E)  Neither the statement nor the reason is correct.

Question 18

For each disorder listed below, select the most closely linked clinical appearance from the list provided.
-Vesicles on the soft palate along with fever, malaise, sore throat, dysphagia, and erythematous pharyngitis

Accepted Answer

A) Herpangina 
B) Measles 
C) Acute lymphonodular pharyngitis 
D) Hairy leukoplakia 
E) Hand-foot-and-mouth disease
F)Mumps

Question 19

Which virus causes herpes zoster?

Accepted Answer

A)  Herpes simplex virus 
B)  Epstein-Barr virus 
C)  Coxsackie virus 
D)  Varicella-zoster virus

Question 20

Herpangina is caused by which virus?

Accepted Answer

A)  Herpes simplex virus 
B)  Epstein-Barr virus 
C)  Varicella-zoster virus 
D)  Coxsackievirus

Exam 4: Infectious Diseases