Question 1

Keratitis is usually caused by ________.

Accepted Answer

A)   Streptococcus pyogenes
B)   Staphylococcus aureus
C)   herpes simplex
D)   Neisseria gonorrhoeae
E)   All of the choices are correct.F) All of the above
G) A) and D)

Question 2

A staff member in the office is concerned that the state health department needs to be notified of a suspected case of smallpox infection. The RN caring for the child discusses the distinct differences between the symptoms of chickenpox and smallpox. Which of the following is not true concerning the two diseases?

Accepted Answer

A)   Smallpox features deep lesions mainly on the extremities, whereas chickenpox features superficial lesions mainly on the trunk.
B)   Smallpox patients exhibit a prodromal fever, whereas chickenpox patients do not.
C)   Smallpox lesions are filled with clear fluid, whereas chickenpox lesions are filled with a thick, opaque liquid and are distinctly indented in the center.
D)   Smallpox is caused by the variola virus, whereas chickenpox is caused by varicella-zoster virus.E) B) and D)
F) C) and D)

Question 3

Which of the following is not true of staphylococcal scalded skin syndrome (SSSS) ?

Accepted Answer

A)   Affects mostly newborns and babies
B)   An exotoxin-mediated disease
C)   Toxin causes bullous lesions
D)   Split in skin occurs between the dermis and epidermis
E)   Split in skin occurs within the epidermisF) A) and B)
G) A) and C)

Question 4

All Staphylococci can be differentiated from all Streptococci because only Staphylococci produce the enzyme ________ that is easily detected in the lab.

Accepted Answer

A)   staphylokinase
B)   exfoliative toxin A
C)   exfoliative toxin B
D)   catalase
E)   lactaseF) A) and E)
G) All of the above

Question 5

Transmission of tineas includes ________.

Accepted Answer

A)   human to human
B)   animal to human
C)   soil to human
D)   fomites to human
E)   All of the choices are correct.F) B) and D)
G) A) and B)

Question 6

Impetigo involves itching papules that break and form a very contagious yellow crust.

Accepted Answer

A) True 
 B)False

Question 7

The parts of the eye that are the most susceptible to microbial infection are the sclera and the iris.

Accepted Answer

A) True 
 B)False

Question 8

Based on the reported symptoms and clinical findings, which of the following is the most likely diagnosis?

Accepted Answer

A)   Keratitis
B)   Neonatal conjunctivitis
C)   Bacterial conjunctivitis
D)   Viral conjunctivitis
E)   The discharge must be cultured to make a diagnosis.F) B) and D)
G) C) and E)

Question 9

Which of the following provides the eye with its best defense against microorganisms?

Accepted Answer

A)   Conjunctiva
B)   Eyelids
C)   Lymphocytes
D)   Tears
E)   EyelashesF) C) and D)
G) A) and B)

Question 10

Smallpox is caused by an orthopoxvirus.

Accepted Answer

A) True 
 B)False

Question 11

Based upon the patient's symptoms, the most likely diagnosis is ________.

Accepted Answer

A)   smallpox
B)   chickenpox
C)   shingles
D)   measlesE) A) and B)
F) None of the above

Question 12

Which of the following statements is incorrect regarding keratitis?

Accepted Answer

A)   Keratitis can be caused by bacteria or viruses, but not eukaryotic organisms.
B)   Infection of the cornea by microbes can lead to destruction of the cornea and blindness.
C)   Infection of the cornea can occur through sexual transmission.
D)   Latent HSV-1, that reactivates during times of stress, enters the ophthalmic nerve causing keratitis instead of cold sores.E) A) and D)
F) None of the above

Question 13

Which is true of viral conjunctivitis?

Accepted Answer

A)   Caused by Chlamydia trachomatis or Neisseria gonorrhoeae
B)   Has a mucopurulent discharge
C)   Caused by adenoviruses
D)   Must be treated with topical and oral antibiotics
E)   Caused by MoraxellaF) C) and E)
G) C) and D)

Question 14

All species of Staphylococcus ________.

Accepted Answer

A)   lack spores
B)   are motile
C)   have capsules
D)   produce coagulase
E)   All of the choices are correct.F) A) and B)
G) A) and C)

Question 15

Transmission of the pathogen of Leishmaniasis is by the ________.

Accepted Answer

A)   reduviid "kissing" bug
B)   tsetse fly
C)   anopheles mosquito
D)   sand fly
E)   hard-bodied tickF) C) and D)
G) A) and C)

Question 16

The child shares a bedroom with her younger brother, who has not been vaccinated against or infected with chickenpox. He is supposed to go to summer camp in one week. The mother asks if it is safe to let him go to camp. How would the nurse best respond?

Accepted Answer

A)   Yes, it is safe for him to go. Since chickenpox has an incubation period of 3-5 days, he would have exhibited symptoms of the disease already if he had contracted it.
B)   Yes, it is safe for him to go. Chickenpox is rarely contracted by children younger than 7 years of age.
C)   No, it is not safe for him to go. Since chickenpox has an incubation period of 10-20 days, he could begin exhibiting symptoms at camp.
D)   No, it is not safe for him to go. Since he was exposed to his sister, he will be contagious to other kids at camp even without exhibiting symptoms.E) A) and B)
F) A) and C)

Question 17

Infections caused by Staphylococcus aureus include all of the following except ________.

Accepted Answer

A)   meningitis
B)   furuncles and carbuncles
C)   impetigo
D)   scalded skin syndrome
E)   acneF) C) and D)
G) A) and E)

Question 18

Which of the following is not true of bacterial conjunctivitis?

Accepted Answer

A)   Transmitted through both direct and indirect contact
B)   Can be caused by Streptococcus pyogenes or Streptococcus pneumoniae
C)   Treatment is with a broad-spectrum topical antibiotic
D)   Has a clear discharge
E)   Can be caused by Staphylococcus aureus, Haemophilus influenzae, or Neisseria gonorrhoeaeF) None of the above
G) A) and B)

Question 19

The eye's best defense is/are the ________.

Accepted Answer

A)   optic nerve
B)   eyelid
C)   eyelashes
D)   tear film
E)   corneaF) B) and D)
G) A) and C)

Question 20

The provider orders a specimen to be obtained for microbial analysis. What is the most appropriate site to culture in this case?

Accepted Answer

A)   The lesion itself, since there seems to be a superficial infection.
B)   The posterior pharynx, since the tonsils are likely the primary source of infection.
C)   The blood, since the infection was probably carried systemically.
D)   The urine, since the kidneys are probably removing bacterial casts from the body.E) None of the above
F) B) and C)

Exam 16: Infectious Diseases Affecting the Skin and Eyes

Keratitis is usually caused by ________.

Correct Answer
verified

All Staphylococci can be differentiated from all Streptococci because only Staphylococci produce the enzyme ________ that is easily detected in the lab.

Correct Answer
verified

Infections caused by Staphylococcus aureus include all of the following except ________.

Correct Answer
verified

Which of the following provides the eye with its best defense against microorganisms?

Correct Answer
verified

The eye's best defense is/are the ________.

Correct Answer
verified

Impetigo involves itching papules that break and form a very contagious yellow crust.

Correct Answer
verified

Based on the reported symptoms and clinical findings, which of the following is the most likely diagnosis?

Correct Answer
verified

The parts of the eye that are the most susceptible to microbial infection are the sclera and the iris.

Correct Answer
verified

The provider orders a specimen to be obtained for microbial analysis. What is the most appropriate site to culture in this case?

Correct Answer
verified

All species of Staphylococcus ________.

Correct Answer
verified

Which of the following statements is incorrect regarding keratitis?

Correct Answer
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Correct Answer
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Which of the following is not true of bacterial conjunctivitis?

Correct Answer
verified

Transmission of the pathogen of Leishmaniasis is by the ________.

Correct Answer
verified

Which of the following is not true of staphylococcal scalded skin syndrome (SSSS) ?

Correct Answer
verified

Which is true of viral conjunctivitis?

Correct Answer
verified

The child shares a bedroom with her younger brother, who has not been vaccinated against or infected with chickenpox. He is supposed to go to summer camp in one week. The mother asks if it is safe to let him go to camp. How would the nurse best respond?

Correct Answer
verified

Based upon the patient's symptoms, the most likely diagnosis is ________.

Correct Answer
verified

Transmission of tineas includes ________.

Correct Answer
verified

Smallpox is caused by an orthopoxvirus.

Correct Answer
verified

Exam 16: Infectious Diseases Affecting the Skin and Eyes

Keratitis is usually caused by ________.

Correct AnswerverifiedShow Answer

All Staphylococci can be differentiated from all Streptococci because only Staphylococci produce the enzyme ________ that is easily detected in the lab.

Correct AnswerverifiedShow Answer

Infections caused by Staphylococcus aureus include all of the following except ________.

Correct AnswerverifiedShow Answer

Which of the following provides the eye with its best defense against microorganisms?

Correct AnswerverifiedShow Answer

The eye's best defense is/are the ________.

Correct AnswerverifiedShow Answer

Impetigo involves itching papules that break and form a very contagious yellow crust.

Correct AnswerverifiedShow Answer

Based on the reported symptoms and clinical findings, which of the following is the most likely diagnosis?

Correct AnswerverifiedShow Answer

The parts of the eye that are the most susceptible to microbial infection are the sclera and the iris.

Correct AnswerverifiedShow Answer

The provider orders a specimen to be obtained for microbial analysis. What is the most appropriate site to culture in this case?

Correct AnswerverifiedShow Answer

All species of Staphylococcus ________.

Correct AnswerverifiedShow Answer

Which of the following statements is incorrect regarding keratitis?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is not true of bacterial conjunctivitis?

Correct AnswerverifiedShow Answer

Transmission of the pathogen of Leishmaniasis is by the ________.

Correct AnswerverifiedShow Answer

Which of the following is not true of staphylococcal scalded skin syndrome (SSSS) ?

Correct AnswerverifiedShow Answer

Which is true of viral conjunctivitis?

Correct AnswerverifiedShow Answer

The child shares a bedroom with her younger brother, who has not been vaccinated against or infected with chickenpox. He is supposed to go to summer camp in one week. The mother asks if it is safe to let him go to camp. How would the nurse best respond?

Correct AnswerverifiedShow Answer

Based upon the patient's symptoms, the most likely diagnosis is ________.

Correct AnswerverifiedShow Answer

Transmission of tineas includes ________.

Correct AnswerverifiedShow Answer

Smallpox is caused by an orthopoxvirus.

Correct AnswerverifiedShow Answer

Correct Answer
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