Deck 16: Skin, wound and Eye Infections

Question 1

When the varicella zoster virus reactivates late in life,it causes

A)cancer.
B)shingles.
C)autoimmune disease.
D)measles.
E)dementia.

Answer 1

B

Question 2

Tinea capitis is caused by a

A)parasite.
B)fungus.
C)virus.
D)yeast.
E)helminth.

Answer 2

B

Question 3

Impetigo

A)occurs primarily in adults.
B)can be caused by Streptococcus pyogenes.
C)is usually caused by fungi.
D)is not easily spread from person to person.
E)all of the above.

Answer 3

B

Question 4

Which of the following childhood diseases does NOT have a distinctive skin rash?

A)Measles.
B)Mumps.
C)Rubella.
D)Chickenpox.
E)Impetigo.

Question 5

Warts on the skin are caused by

A)rubeola viruses.
B)papilloma viruses.
C)herpes virus.
D)varicella virus.
E)zoster virus.

Question 6

Community-associated MRSA can cause all of the following except

A)cellulitis.
B)furunculosis.
C)acne.
D)necrotising fasciitis.
E)boils.

Question 7

Cold sores

A)are caused by herpes simplex viruses.
B)are non-infectious lesions.
C)recur at the same site due to reinfection by kissing.
D)can lead to shingles later in life.
E)all of the above.

Question 8

Erysipelas

A)is caused by group A streptococci.
B)can follow minor abrasion of the skin.
C)is often characterised by a 'butterfly rash' on the face of the patient.
D)is highly contagious.
E)all of the above.

Question 9

A red oedematous swelling associated with an acute bacterial infection of subcutaneous tissue is called

A)purpura.
B)cellulitis.
C)impetigo.
D)acne.
E)a pustule.

Question 10

A person with German measles (rubella)

A)is contagious around a week before symptoms develop.
B)usually suffers a severe systemic disease as well as a rash.
C)spreads the virus mainly via infected skin lesions.
D)is readily diagnosed from the typical signs and symptoms.
E)all of the above.

Question 11

Herpes simplex virus

A)only produces lesions on the face.
B)infections are always symptomatic.
C)is completely cleared from the body when the sores disappear.
D)is spread from person to person by saliva.
E)is able to survive and multiply inside phagocytes.

Question 12

Which of the following is NOT a dermatophyte?

A)Aspergillus.
B)Trichophyton.
C)Microsporum.
D)Epidermophyton.
E)All of the above are dermatophytes.

Question 13

Which of the following infections may be caused by Staphylococcus aureus?

A)Surgical wound infection.
B)Impetigo.
C)Boils.
D)All of the above.
E)None of the above.

Question 14

Skin scrapings from a patient with a circular red rash on his trunk show hyphae and conidia.He is most likely to have

A)cat scratch fever.
B)a cutaneous mycosis.
C)measles.
D)chickenpox.
E)scabies.

Question 15

Subacute sclerosing panencephalitis is a rare complication of

A)measles.
B)chickenpox.
C)rubella.
D)shingles.
E)herpes.

Question 16

Congenital rubella syndrome

A)may result in deafness,blindness and mental retardation.
B)only occurs if the mother has symptoms.
C)is contracted at birth.
D)can be treated with an appropriate vaccine.
E)all of the above.

Question 17

Impetigo is a(n)

A)rash caused by a virus.
B)allergic reaction to an infection.
C)infection only seen in children.
D)bacterial skin infection.
E)fungal infection of subcutaneous tissue.

Question 18

Multiple abscesses grouped in adjacent areas of the skin is called a(n)

A)carbuncle.
B)bulla.
C)folliculitis.
D)erosion.
E)pustule.

Question 19

Measles is usually transmitted

A)in food.
B)by insects.
C)by skin contact.
D)during birth.
E)by respiratory secretions.

Question 20

Bairnsdale ulcer

A)is caused by Mycobacterium bovis.
B)occurs only in Australia.
C)is a chronic cutaneous ulcer that often causes scarring.
D)can occur in large outbreaks due to person-to-person transmission.
E)all of the above.

Question 21

A necrotising infection

A)is an infection of the epidermis.
B)is always associated with soil contamination of a wound.
C)may be caused by a mixture of bacteria.
D)usually necessitates amputation of the affected limb.
E)is fatal if not treated quickly.

Question 22

Candida albicans causes

A)nappy rash.
B)thrush.
C)vaginitis.
D)an itchy rash in moist skin folds.
E)all of the above.

Question 23

Trachoma

A)is caused by adenoviruses.
B)is also termed ophthalmia neonatorum.
C)is endemic in some Aboriginal communities.
D)is an infection of the cornea that can lead to blindness.
E)all of the above.

Question 24

An inflammation of the cornea is called

A)conjunctivitis.
B)keratitis.
C)blepharitis.
D)retinitis.
E)trachoma.

Question 25

Epidemic keratoconjunctivitis

A)can be transmitted in eye clinics.
B)is usually transmitted by flies.
C)is highly sensitive to common disinfectants.
D)is not very contagious.
E)must be immediately treated with topical chloramphenicol.

Question 26

Burns wounds

A)are highly susceptible to infection.
B)may be associated with depressed immune defences.
C)are covered over by a thick crust called an eschar.
D)often become infected after the patient is hospitalised.
E)all of the above.

Question 27

Candida albicans

A)is a yeast.
B)causes thrush.
C)is part of the normal microbiota of humans.
D)is an opportunistic pathogen.
E)all of the above.

Question 28

Which of the following would reduce a patient's risk of acquiring surgical wound infection?

A)Reducing his preoperative stay in hospital.
B)Prophylaxis with antimicrobial drugs.
C)Strict asepsis when changing his dressings.
D)Use of skin antiseptic before the surgical incision is made.
E)All of the above.

Question 29

Which of the following statements concerning surgical wounds is TRUE?

A)Any microorganism present in a wound must be causing infection.
B)Surgery involving body sites with a microbiota have a high risk of infection.
C)Almost all infections occur during dressing changes.
D)Risk of infection is reduced if the preoperative hospitalisation time of the patient is increased.
E)Multi-resistant Staphylococcus aureus (MRSA)causes all surgical wound infections.

Question 30

Which of the following statements is TRUE?

A)Scabies is diagnosed by culture of skin scrapings.
B)A possible sequelae of scabies is a streptococcal infection.
C)Scabies is not very contagious.
D)Norwegian scabies is only found in Scandinavian countries.
E)Scabies is spread by mosquitoes.

Question 31

Pediculosis

A)is a worm infestation.
B)is always transmitted during sexual contact.
C)always involves the pubic area.
D)is treated with insecticidal shampoos.
E)all of the above.

Question 32

Gas gangrene

A)is caused by group A streptococci.
B)is a type of necrotising fasciitis.
C)can only be treated by amputation of the affected limb.
D)is an infection of nerve cells.
E)all of the above.

Question 33

Conjunctivitis is

A)rarely caused by bacteria.
B)highly contagious.
C)most frequently spread by flies.
D)best treated with intravenous antibiotics.
E)none of the above.

Question 34

Which of the following is TRUE of scabies?

A)It is spread by close personal contact.
B)It is caused by a mite.
C)Lesions are typically burrows in the epidermis.
D)Outbreaks can occur in hospitals.
E)All of the above.

Question 35

A farmer presented with fever and a black necrotic ulcer on his arm.A swab of the ulcer showed Gram-positive bacilli.He is most likely to have

A)a fungal infection.
B)impetigo.
C)erysipelas.
D)anthrax.
E)tinea corporis.