Question 1

Many gyms are abundantly supplied with towels and antimicrobial sprays for wiping down equipment after each user.The reason for this is to cut down on the transmission of ______.

Accepted Answer

A)   athlete's foot fungus
B)   skin microbes like MRSA
C)   measles virus
D)   shingles
E)   ringwormF) A) and E)
G) A) and C)

Question 2

Which of the following is the most common form of transmission for impetigo?

Accepted Answer

A)   Body fluids
B)   Mechanical vectors
C)   Blood
D)   Fomites
E)   Direct contactF) A) and D)
G) B) and D)

Question 3

Human herpesvirus 3 (HHV-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) A) and E)
G) A) and D) E

Question 4

Which form of anthrax involves a black eschar on the skin?

Accepted Answer

A)   Gastrointestinal
B)   Inhalational
C)   Cutaneous
D)   MuscularE) B) and C)
F) All of the above

Question 5

Impetigo is caused by ______.

Accepted Answer

A)  C.perfringens
B)  C.diphtheriae
C)  S.aureus
D)  S.pyogenes
E)  Both S.aureus and S.pyogenes are correct.F) C) and D)
G) A) and E)

Question 6

Which of the following statements concerning rubella immunization is correct?

Accepted Answer

A)   A child born with congenital rubella may be immunized to prevent recurrence of the disease.
B)   A pregnant woman who contracts rubella should be immunized to protect her unborn child.
C)   Administration of the rubella vaccine at 12 to 15 months of age is good protection against congenital rubella.
D)   The rubella vaccine given in childhood can protect both the child and any children that she may bear in the future.E) B) and C)
F) A) and C)

Question 7

Your sister cut herself with a knife,and within a few days,she had a severe pus-producing infection of the hand.A day later,skin begins to come off,exposing muscle and other tissue below the skin.Predict what caused the severity of this infection.

Accepted Answer

A)   The infectious agent is a fungus.
B)   This is not an infectious disease; it is an autoimmune disease.
C)   The infectious agent produces exotoxins.
D)   The infectious agent is likely a virus.E) A) and C)
F) None of the above

Question 8

The integument includes all of the following except ______.

Accepted Answer

A)   skin
B)   hair
C)   sweat glands
D)   surface capillaries
E)   nailsF) None of the above
G) A) and B) D

Question 9

Measles is described as a ______ skin lesion.

Accepted Answer

A)   macule
B)   bulla
C)   pustular
D)   maculopapular
E)   vesicularF) B) and D)
G) A) and E)

Question 10

Microbes are not likely to be found in which of the following locations on human skin?

Accepted Answer

A)   Hair follicle
B)   Sebaceous gland
C)   Sensory nerve fiber in the dermis
D)   The stratum corneumE) All of the above
F) A) and B)

Question 11

Which microorganism species is most well-adapted to life on the skin?

Accepted Answer

A)   Corynebacterium diphtheriae
B)   Candida albicans
C)   Staphylococcus epidermidis
D)   Malassezia
E)   Streptococcus pyogenesF) A) and D)
G) A) and C)

Question 12

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

Accepted Answer

A)   Salt
B)   Lysozyme
C)   Keratin
D)   Sweat
E)   SebumF) B) and C)
G) B) and E)

Question 13

The organisms that cause ringworm,or tinea,use keratin protein as their growth substrate.This is why these infections

Accepted Answer

A)   cause a discoloration of the skin by damaging skin pigment protein.
B)   produce a rash all over the body during an infection.
C)   are restricted to superficial skin layers.
D)   have a high mortality rate.E) A) and B)
F) B) and C)

Question 14

Smallpox is a disease in which

Accepted Answer

A)   fever, malaise, and rash occur.
B)   the virus becomes latent in ganglia of sensory neurons.
C)   recurrent episodes are called shingles.
D)   transmission occurs by direct contact with skin crusts.
E)   All of the choices are correct.F) A) and D)
G) D) and E)

Question 15

Diseases that manifest as skin rashes are transmitted through direct contact with affected individuals or with fomites.

Accepted Answer

A) True 
 B)False

Question 16

Leishmaniasis is transmitted through the bite of a(n) ______.

Accepted Answer

A)   Anopheles mosquito
B)   tsetse fly
C)   hard-bodied tick
D)   sand fly
E)   reduviid "kissing" bugF) C) and D)
G) A) and C) D

Question 17

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

Accepted Answer

A)   carbuncles
B)   scalded skin syndrome
C)   chickenpox
D)   meningitis
E)   impetigoF) D) and E)
G) A) and B)

Question 18

Streptococcus pyogenes causes all of the following infections except ______.

Accepted Answer

A)   scalded skin syndrome
B)   impetigo
C)   erysipelas
D)   necrotizing fasciitis
E)   scarlet feverF) D) and E)
G) All of the above

Question 19

Among the natural defenses present in tears is the protein lactoferrin.As you can infer from its name,it is also present in milk and other body secretions,and its function involves binding iron ions.The presence of lactoferrin in tears is protective against bacterial infection because

Accepted Answer

A)   all pathogens must acquire iron from their environment and lactoferrin ensures that the iron concentration is low.
B)   pathogens with magnetosomes will be segregated from the eye tissue and swept away by the tears.
C)   in the presence of lysozyme, as found in tears, the proteins form a protective barrier on the lens.
D)   free iron serves as an immune signal to recruit T cells to the eye.E) C) and D)
F) A) and C)

Question 20

Despite the fact that skin-to-skin contact is important in establishing bonding between babies and their caregivers,that same contact can also expose them to pathogens.You have been asked to teach a short class for child care workers to help them identify highly contagious diseases that can cause outbreaks in their environment.Which two of these conditions are most common and most infectious in babies?

Accepted Answer

A)   Impetigo and ringworm
B)   Impetigo and cellulitis
C)   Impetigo and conjunctivitis
D)   Conjunctivitis and rubella
E)   Ringworm and hand, foot, and mouth diseaseF) B) and D)
G) A) and C)

Exam 18: Infectious Diseases Affecting the Skin and Eyes

Many gyms are abundantly supplied with towels and antimicrobial sprays for wiping down equipment after each user.The reason for this is to cut down on the transmission of ______.

Correct Answer
verified

Which of the following is the most common form of transmission for impetigo?

Correct Answer
verified

Human herpesvirus 3 (HHV-3)

Correct Answer
verified
E

Which form of anthrax involves a black eschar on the skin?

Correct Answer
verified

Impetigo is caused by ______.

Correct Answer
verified

Which of the following statements concerning rubella immunization is correct?

Correct Answer
verified

Your sister cut herself with a knife,and within a few days,she had a severe pus-producing infection of the hand.A day later,skin begins to come off,exposing muscle and other tissue below the skin.Predict what caused the severity of this infection.

Correct Answer
verified

The integument includes all of the following except ______.

Correct Answer
verified
D

Measles is described as a ______ skin lesion.

Correct Answer
verified

Microbes are not likely to be found in which of the following locations on human skin?

Correct Answer
verified

Which microorganism species is most well-adapted to life on the skin?

Correct Answer
verified

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

Correct Answer
verified

The organisms that cause ringworm,or tinea,use keratin protein as their growth substrate.This is why these infections

Correct Answer
verified

Smallpox is a disease in which

Correct Answer
verified

Diseases that manifest as skin rashes are transmitted through direct contact with affected individuals or with fomites.

Correct Answer
verified

Leishmaniasis is transmitted through the bite of a(n) ______.

Correct Answer
verified
D

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

Correct Answer
verified

Streptococcus pyogenes causes all of the following infections except ______.

Correct Answer
verified

Among the natural defenses present in tears is the protein lactoferrin.As you can infer from its name,it is also present in milk and other body secretions,and its function involves binding iron ions.The presence of lactoferrin in tears is protective against bacterial infection because

Correct Answer
verified

Correct Answer
verified

Exam 18: Infectious Diseases Affecting the Skin and Eyes

Many gyms are abundantly supplied with towels and antimicrobial sprays for wiping down equipment after each user.The reason for this is to cut down on the transmission of ______.

Correct AnswerverifiedShow Answer

Which of the following is the most common form of transmission for impetigo?

Correct AnswerverifiedShow Answer

Human herpesvirus 3 (HHV-3)

Correct AnswerverifiedE

Which form of anthrax involves a black eschar on the skin?

Correct AnswerverifiedShow Answer

Impetigo is caused by ______.

Correct AnswerverifiedShow Answer

Which of the following statements concerning rubella immunization is correct?

Correct AnswerverifiedShow Answer

Your sister cut herself with a knife,and within a few days,she had a severe pus-producing infection of the hand.A day later,skin begins to come off,exposing muscle and other tissue below the skin.Predict what caused the severity of this infection.

Correct AnswerverifiedShow Answer

The integument includes all of the following except ______.

Correct AnswerverifiedD

Measles is described as a ______ skin lesion.

Correct AnswerverifiedShow Answer

Microbes are not likely to be found in which of the following locations on human skin?

Correct AnswerverifiedShow Answer

Which microorganism species is most well-adapted to life on the skin?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The organisms that cause ringworm,or tinea,use keratin protein as their growth substrate.This is why these infections

Correct AnswerverifiedShow Answer

Smallpox is a disease in which

Correct AnswerverifiedShow Answer

Diseases that manifest as skin rashes are transmitted through direct contact with affected individuals or with fomites.

Correct AnswerverifiedShow Answer

Leishmaniasis is transmitted through the bite of a(n) ______.

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

Streptococcus pyogenes causes all of the following infections except ______.

Correct AnswerverifiedShow Answer

Among the natural defenses present in tears is the protein lactoferrin.As you can infer from its name,it is also present in milk and other body secretions,and its function involves binding iron ions.The presence of lactoferrin in tears is protective against bacterial infection because

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified