Question 1

The lab results indicate that the coagulase test was performed. Which result would be consistent with a diagnosis of S. aureus infection?

Accepted Answer

A)   The sample remains liquid
B)   The sample completely coagulates
C)   The sample turns yellow and coagulates
D)   The sample turns yellow and remains liquidE) C) and D)
F) A) and B)

Question 2

All of the following pertain to measles (rubeola)  except ________.

Accepted Answer

A)   it is transmitted by direct contact with the rash
B)   humans are the only reservoir for the pathogen
C)   secondary bacterial otitis media and sinusitis can occur
D)   it involves a fatal complication called subacute sclerosing panencephalitis (SSP
E)  
E)   dry cough, sore throat, fever, and conjunctivitis are symptomsF) A) and C)
G) A) and B)

Question 3

The exposed surfaces of the eye that are the most vulnerable to infections are the ________.

Accepted Answer

A)   conjunctiva and cornea
B)   sclera and iris
C)   iris and conjunctiva
D)   retina and sclera
E)   pupil and corneaF) B) and E)
G) C) and E)

Question 4

Varicella zoster virus (human herpesvirus-3)  ________.

Accepted Answer

A)   uses the respiratory epithelium as its portal of entry
B)   becomes latent in dorsal root ganglia that serve specific dermatomes
C)   has humans as its reservoir
D)   causes chickenpox and shingles
E)   All of the choices are correct.F) All of the above
G) B) and E)

Question 5

The most serious teratogenic effects of intrauterine rubella infection occur if it is acquired during the third trimester.

Accepted Answer

A) True 
 B)False

Question 6

All of the following pertain to Streptococcus pyogenes except ________.

Accepted Answer

A)   is often from an endogenous source
B)   secretes streptokinase
C)   causes impetigo
D)   coats itself with host proteins
E)   causes gas gangreneF) A) and E)
G) C) and D)

Question 7

What group of microorganisms do not usually call the skin "home"?

Accepted Answer

A)   Streptococcus
B)   Corynebacterium
C)   Propionibacterium
D)   Yeasts
E)   All of the choices are correct.F) A) and B)
G) B) and E)

Question 8

Smallpox is a disease ________.

Accepted Answer

A)   in which fever, prostration, rash, and possible toxemia and shock occur
B)   in which the virus becomes latent in ganglia of sensory neurons
C)   in which recurrent episodes are called shingles
D)   that can only be transmitted by direct skin contact with skin crusts
E)   All of the choices are correct.F) B) and C)
G) A) and C)

Question 9

The eye differs from other parts of the body with reference to defense mechanisms in that ________.

Accepted Answer

A)   innate defenses, such as inflammation and phagocyte influx, would impair vision and are therefore limited
B)   they are not vulnerable to infection so they do not require natural defenses
C)   the primary defense mechanism is the lymphocyte response to epitopes on the pathogen surface
D)   the third line of defense is the most essentialE) B) and D)
F) B) and C) A

Question 10

Blood vessels are found in the ________.

Accepted Answer

A)   stratum corneum
B)   dermis
C)   stratum basale
D)   subcutaneous layer
E)   dermis and subcutaneous layerF) B) and D)
G) A) and D)

Question 11

The lesions are diagnosed as S. aureus impetigo. The nurse is educating the mother about why her daughter's affected skin seems so fragile and blisters easily. Which of the following statements is most appropriate?

Accepted Answer

A)   The constant exposure to moisture makes your daughter's skin very fragile, and blistering is the natural response.
B)   Your daughter's scratching irritates the skin, making it very fragile and irritable.
C)   The blood beneath the surface of the skin is broken down by waste products from S. aureus, and superficial blisters are the clinical sign.
D)   An exotoxin produced by S. aureus targets a protein responsible for cell-to-cell binding, and blisters are the result.E) A) and B)
F) None of the above

Question 12

Fifth disease ________.

Accepted Answer

A)   is caused by Parvovirus B19
B)   is a childhood febrile disease with a bright red rash on the cheeks
C)   cannot be prevented at this time with vaccination
D)   has a maculopapular rash that lasts for days to weeks
E)   All of the choices are correct.F) All of the above
G) B) and C) E

Question 13

Measles is also known as ________.

Accepted Answer

A)   rubella
B)   shingles
C)   rubeola
D)   fifth disease
E)   varicellaF) C) and E)
G) A) and D)

Question 14

Which of the following is the causative agent of tinea versicolor?

Accepted Answer

A)   Malassezia
B)   Trichophyton
C)   Microsporum
D)   Epidermophyton
E)   None of the choices are correct.F) A) and D)
G) B) and E)

Question 15

The Human Microbiome Project revealed what important information regarding the microbiota of the eye?

Accepted Answer

A)   Previously thought to be sparsely populated, the eye has been found to have a robust, diverse population of microbiota.
B)   Previously thought to be sparsely populated, the HMP showed the eye to be sterile.
C)   The HMP showed that the eye contains only one species of bacteria; Corynebacterium.
D)   The eye contains a unique population of bacteria, not found anywhere else on the body.E) A) and B)
F) All of the above

Question 16

Impetigo is caused by ________.

Accepted Answer

A)   Propionibacterium acnes
B)   Corynebacterium diphtheriae
C)   Staphylococcus aureus
D)   Streptococcus pyogenes
E)   both Staphylococcus aureus and Streptococcus pyogenesF) None of the above
G) A) and B)

Question 17

The mother requests antibiotics to treat her daughter's infection. What is the most appropriate action by the RN?

Accepted Answer

A)   Advocate that the physician write a prescription for oral amoxicillin because the spread of the infectious lesions can be slowed by a broad-spectrum antibiotic.
B)   Inform the mother that her daughter needs an antiviral prescription, not an antibiotic, to treat the infection.
C)   Educate the mother she can purchase a triple-antibiotic ointment to apply to the lesions three times daily.
D)   Educate the mother that chickenpox does not respond to antibiotics, but is self-limiting and will heal on its own.E) A) and B)
F) C) and D)

Question 18

The eye generally has a large percentage of normal biota present.

Accepted Answer

A) True 
 B)False

Question 19

MRSAs are Staphylococcus aureus strains that are ________.

Accepted Answer

A)   resistant to mupirocin
B)   responsive to mupirocin
C)   resistant to penicillin derivatives
D)   responsive to penicillin derivatives
E)   related to Streptococcus pyogenesF) A) and B)
G) None of the above C

Question 20

The Human Microbiome Project revealed ________.

Accepted Answer

A)   vast numbers of organisms are found on expansive, dry areas of the skin
B)   high salt areas of the skin limit bacterial growth
C)   the skin microbiota changes constantly over time
D)   the skin microbiome is much more varied than previously thought
E)   All of the choices are correct.F) A) and B)
G) All of the above

Exam 16: Infectious Diseases Affecting the Skin and Eyes

The lab results indicate that the coagulase test was performed. Which result would be consistent with a diagnosis of S. aureus infection?

Correct AnswerverifiedShow Answer

All of the following pertain to measles (rubeola) except ________.

Correct AnswerverifiedShow Answer

The exposed surfaces of the eye that are the most vulnerable to infections are the ________.

Correct AnswerverifiedShow Answer

Varicella zoster virus (human herpesvirus-3) ________.

Correct AnswerverifiedShow Answer

The most serious teratogenic effects of intrauterine rubella infection occur if it is acquired during the third trimester.

Correct AnswerverifiedShow Answer

All of the following pertain to Streptococcus pyogenes except ________.

Correct AnswerverifiedShow Answer

What group of microorganisms do not usually call the skin "home"?

Correct AnswerverifiedShow Answer

Smallpox is a disease ________.

Correct AnswerverifiedShow Answer

The eye differs from other parts of the body with reference to defense mechanisms in that ________.

Correct AnswerverifiedA

Blood vessels are found in the ________.

Correct AnswerverifiedShow Answer

The lesions are diagnosed as S. aureus impetigo. The nurse is educating the mother about why her daughter's affected skin seems so fragile and blisters easily. Which of the following statements is most appropriate?

Correct AnswerverifiedShow Answer

Fifth disease ________.

Correct AnswerverifiedE

Measles is also known as ________.

Correct AnswerverifiedShow Answer

Which of the following is the causative agent of tinea versicolor?

Correct AnswerverifiedShow Answer

The Human Microbiome Project revealed what important information regarding the microbiota of the eye?

Correct AnswerverifiedShow Answer

Impetigo is caused by ________.

Correct AnswerverifiedShow Answer

The mother requests antibiotics to treat her daughter's infection. What is the most appropriate action by the RN?

Correct AnswerverifiedShow Answer

The eye generally has a large percentage of normal biota present.

Correct AnswerverifiedShow Answer

MRSAs are Staphylococcus aureus strains that are ________.

Correct AnswerverifiedC

The Human Microbiome Project revealed ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
E

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified