Question 1

If a person who has never been infected with the varicella zoster virus comes in contact with a person who has shingles,the first person will come down with ________.

Accepted Answer

A)  herpes labialis
B)  shingles
C)  chickenpox
D)  infectious mononucleosis
E)  herpes keratitisF) C) and E)
G) B) and E)

Question 2

A mother brings her 8-year-old daughter into an urgent care clinic. The child has a dry, flaky, and peeling rash around her mouth. The mother states she has treated the rash with a number of different lotions, but the lesions persist. She is looking for information on how to make her daughter stop licking her lips, as she thinks this is causing the lesions. Upon assessment, the nurse notes circumoral blisters and honey-colored crusts. In the medical history, the mother reports her daughter has not had any other symptoms, including fever, nausea, vomiting, and malaise.
-In the lab,the specimen is Gram-stained and inoculated onto blood agar.Microscopic analysis of the slide reveals gram-positive cocci arranged in grapelike clusters,while the blood agar produces round,creamy colonies with clear areas of hemolysis.Which of the following would be the most likely causative organism?

Accepted Answer

A)  Streptococcus pyogenes
B)  Staphylococcus aureus
C)  Human herpesvirus 3
D)  Pseudomonas aeruginosaE) A) and B)
F) B) and D)

Question 3

A mother brings her 7-year-old daughter to her pediatrician's office. It is written in the patient's chart that she is not immunized. The child has approximately 50 lesions, mainly concentrated on her trunk. Most of the lesions are vesicular, but a few have scabbed over. According to the mother, her daughter was previously healthy and developed this rash about five days ago. She denies any fevers and the rash appears to be persistently itchy. The RN observes the child itch open a vesicle, revealing a clear fluid.
-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) All of the above
F) A) and D)

Question 4

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 5

The enzyme that coagulates plasma is ________.

Accepted Answer

A)  catalase
B)  coagulase
C)  hyaluronidase
D)  staphylokinase
E)  kinaseF) B) and C)
G) A) and B)

Question 6

What material in skin cells provides protection from abrasions,water damage,and microorganism entry?

Accepted Answer

A)  Lysozyme
B)  Keratin
C)  Sweat
D)  Sebum
E)  SaltF) D) and E)
G) B) and D)

Question 7

Which of the following is not true of rubeola?

Accepted Answer

A)  Causative agent is a member of the Morbillivirus genus
B)  It is a single-stranded,nonenveloped RNA virus
C)  It is in the Paramyxovirus family
D)  Causes cell membranes to fuse to form syncytia
E)  Transmitted by respiratory dropletsF) B) and C)
G) C) and E)

Question 8

A mother brings her 8-year-old daughter into an urgent care clinic. The child has a dry, flaky, and peeling rash around her mouth. The mother states she has treated the rash with a number of different lotions, but the lesions persist. She is looking for information on how to make her daughter stop licking her lips, as she thinks this is causing the lesions. Upon assessment, the nurse notes circumoral blisters and honey-colored crusts. In the medical history, the mother reports her daughter has not had any other symptoms, including fever, nausea, vomiting, and malaise.
-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) B) and C)
F) A) and D)

Question 9

This febrile disease with a rash has a pathogen that can cross the placenta and cause serious fetal damage.

Accepted Answer

A)  Croup
B)  Mumps
C)  Influenza
D)  Measles (rubeola) 
E)  RubellaF) None of the above
G) All of the above

Question 10

Staphylococcus can be differentiated from Streptococcus by the ________.

Accepted Answer

A)  Gram stain
B)  coagulase test
C)  catalase test
D)  fermentation of mannitol
E)  None of the choices are correct.F) A) and B)
G) A) and E)

Question 11

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) None of the above
G) All 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) A) and C)
G) A) and B)

Question 13

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) B) and D)
G) B) and C)

Question 14

Which of the following is the most common form of microbe transmission in impetigo?

Accepted Answer

A)  Fomites
B)  Direct contact
C)  Mechanical vectors
D)  Blood
E)  Body fluidsF) A) and D)
G) B) and C)

Question 15

Varicella and herpes zoster are caused by the same virus.

Accepted Answer

A) True 
 B)False

Question 16

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) B) and D)
G) None of the above

Question 17

Propionibacterium acnes are part of the microbiome of the skin's sebaceous glands.

Accepted Answer

A) True 
 B)False

Question 18

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) C) and D)
G) None of the above

Question 19

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) B) and D)
G) A) and B)

Question 20

Tears are produced in the ________ and drain into the ________.

Accepted Answer

A)  lacrimal gland; lacrimal duct
B)  lacrimal duct; sclera
C)  cornea; conjunctiva
D)  conjunctiva; lacrimal duct
E)  lacrimal gland; scleraF) C) and D)
G) All of the above

Exam 16: Infectious Diseases Affecting the Skin and Eyes

What material in skin cells provides protection from abrasions,water damage,and microorganism entry?

Correct Answer
verified

Which of the following is not true of rubeola?

Correct Answer
verified

Transmission of the pathogen of Leishmaniasis is by the ________.

Correct Answer
verified

This febrile disease with a rash has a pathogen that can cross the placenta and cause serious fetal damage.

Correct Answer
verified

Staphylococcus can be differentiated from Streptococcus by the ________.

Correct Answer
verified

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

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

Correct Answer
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Fifth disease ________.

Correct Answer
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Varicella and herpes zoster are caused by the same virus.

Correct Answer
verified

Varicella zoster virus (human herpesvirus-3) ________.

Correct Answer
verified

The enzyme that coagulates plasma is ________.

Correct Answer
verified

Tears are produced in the and drain into the .

Correct Answer
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Correct Answer
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Which of the following is the most common form of microbe transmission in impetigo?

Correct Answer
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Correct Answer
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Propionibacterium acnes are part of the microbiome of the skin's sebaceous glands.

Correct Answer
verified

If a person who has never been infected with the varicella zoster virus comes in contact with a person who has shingles,the first person will come down with ________.

Correct Answer
verified

All of the following pertain to Streptococcus pyogenes except ________.

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

Correct Answer
verified

Exam 16: Infectious Diseases Affecting the Skin and Eyes

What material in skin cells provides protection from abrasions,water damage,and microorganism entry?

Correct AnswerverifiedShow Answer

Which of the following is not true of rubeola?

Correct AnswerverifiedShow Answer

Transmission of the pathogen of Leishmaniasis is by the ________.

Correct AnswerverifiedShow Answer

This febrile disease with a rash has a pathogen that can cross the placenta and cause serious fetal damage.

Correct AnswerverifiedShow Answer

Staphylococcus can be differentiated from Streptococcus by the ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Fifth disease ________.

Correct AnswerverifiedShow Answer

Varicella and herpes zoster are caused by the same virus.

Correct AnswerverifiedShow Answer

Varicella zoster virus (human herpesvirus-3) ________.

Correct AnswerverifiedShow Answer

The enzyme that coagulates plasma is ________.

Correct AnswerverifiedShow Answer

Tears are produced in the ________ and drain into the ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following is the most common form of microbe transmission in impetigo?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Propionibacterium acnes are part of the microbiome of the skin's sebaceous glands.

Correct AnswerverifiedShow Answer

If a person who has never been infected with the varicella zoster virus comes in contact with a person who has shingles,the first person will come down with ________.

Correct AnswerverifiedShow Answer

All of the following pertain to Streptococcus pyogenes except ________.

Correct AnswerverifiedShow Answer

Which of the following is not true of bacterial conjunctivitis?

Correct AnswerverifiedShow Answer

Correct Answer
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Tears are produced in the and drain into the .

Correct Answer
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