Microbiology Chapter 21 – Flashcards

Which of the following is not normal microbiota of the skin?

A streptoccoccus

Bpityrosporum

C staphylococcus

D propionibacterium

D corynebacterium

An 8 yr old girls has scabs and pus-filled vesicle on her face and throat.  Three weeks earlier she had visited her grandmother who had shingles.  What infection does th 8 yr old have?

A chicken pox

B measles

C fever blisters

D scabies

E rubella

Which of the following pairs is mismatched?

A staphylococcus aureus - impetigo

B streptococcus pyogense - erysipelas

C propionibacterium acnes - pimpels

Pseudomonas aeruginosa - otis externa

E str. pyogenes -toxic shock syndrome

The etiologic agent of warts is

A papovirus

B Poxvirus

Cherpesvirus

Dparvoovirus

E. Staphylococcus aureus

Which of the following is not a characteristic of pseudomonas aerugniosa?

A gram positive cell wall

B oxidative metabolism

C oxidase positive

D produce pyocyanin

E rod shaped

Which of the following pairs is mismatched?

A pustular rash - smallpox

B koplik spots - rubella

C papular rash - measles

D Vesicular rash- chickenpos

E macular rash - fifth disease

Which of the following is not transmitted by the respiratory route?

A smallpox

B chickenpox

C Rubella

D trichophyton

E measles

Which of these is not caused by the herpesvirus?

A chickenpox

B shingles

C keratitis

D smallpox

E Roseola

Thrush and vaginitis are caused by

A herpesvirus

B chlamydia trachomatis

C candida albicans

D staphylococcus aureus

E streptococcus pyogenes

The greatest single cause of blindness in the world is

A neonatal gonorrheal ophthalmia

B keratoconjunctivitis

C trachoma

D inclusion conjunctivitis

E pinkeye

Which of the following can be treated with topical chemotherapeutic agents?

A herpes gladiatorium

B sporotrichosis

C dermatomycosis

D rubella

E shingles

Which of the following is not a cause of ringworm?

A Microsporum

B trichophyton

C tinea capitis

D epidermaphyton

E All of the above

Newborns eyes are treated with an antibiotic

A when Neisseria gonorrhoeae is isolated from the eyes

B when the mother is blind

C when the mother has gental herpes

D when the mother has gonorrhea

E. always

A possible complication of herpetic keratitis is 

A encephalitis

B fever blisters

C subacute sclerosing panencephalitis

D congenital rubella syndrome

E macular rash

Which of the following is sensitive to penicillin?

A chlamydia

B herpesvirus

D dandida

D streptococcus

E pseudomonas

Which region of the skin supports the largest bacterial population?

A axilla

B scalp

C forearms

D legs

E all are equal

Which infection is not caused by Stphylococcus aureus?

A pimples

B sty

C furuncle

D carbuncle

E acne

Which of the following is not a characteristic used to indentify Streptococcus pyogenes?

A coagulase positive

B group a cell wall antigen

C group m protiens

D beta hemolytic

E cocci

Which of the following is not a causative agent of conjuctivitis?

A chlamydia trachomatis

B herpes simplex

C adenovirus

D neisseria gonorrhoeae

E haemophilus influenzae

In which of the following respects is measles similar to German measles (rubella)?

A rash

B etiologic agent

C encephalitis as a complication

D congential complications

E in name only

Vaccination for rubella

A is not necessary because the disease is mild

B in not necessary if a person has had an infection

C is recommended only for pregnant women

D is recommended for newbors to prevent congenital disease

E has reduced incidence of rubella

Which of the following statements about congential rebella syndrome is false?

A it is contracted in utero

B it may be fatal

C it may result in deafness, blindness, and mental retardation

D it doesn't occur with subclinical infections

E alll of the above are true;

The etiologic agent of chickenpox is 

A herpes simplex

B herpes zoster

C HHV-6

D parvovirus

E poxvirus

The etiologic agent of fifth disease is

A herpes simplex

B herpes zoster

C HHV-6

D parvovirus

E poxvirus

The etiologic agent of roseola is 

A herpes simplex

B herpes zoster

C HHV-6

D parvovirus

E poxvirus

The etiologic agent of fever blisters is 

A herpes simplex

B herpes zoster

C HHV-6

D parvovirus

E poxvirus

Which of the following is used to treat epidemic herpetic keratitis?

A penicillin

B sulfonamide

C trifluridine

D fungicide

E none of the above

Which of the following is used to treat smallpox?

A penicillin

B sulfonamide

C trifluridine

D fungicide

E none of the above

Which of the following is used to treat sporotrichosis?

A penicillin

B sulfonamide

C trifluridine

D fungicide

E none of the above

Which of the following is used to treat candidiasis?

A penicillin

B sulfonamide

C trifluridine

D fungicide

E none of the above

Scabies is a skin disease caused by 

A a slow virus

B a protozoan

C a mite

D a bacterium

E a prion

Scabies is transmitted by 

A fomites

B food

C water

D soil

E B and C

A patient has pus-filled vesicles and scabs on her face, throat, and lower back.  She most likely has

A measles

B mumps

C chickenpox

D rubella

E smallpox

Which of the following leads to all others

A toxemia

B scalded skin syndrom

C staphylococcal infection

D TSST-1

E Sudden drop in blood pressure

Buruli ulcer is caused by

A direct contact

B acid-fast bacteria

C a fungus

D a virus

E a mite

The patient has a papular rash.  Microscopic axamination of skin scraping reveals small 8- legged animals  the etiology is 

A candida

B microsporum

C pseudomonas aeruginosa

D staphylococcus aureus

E sarcoptes

The patient has vesicles and scabs over her forehead.  Microscopic examination of skin scrapings show gram psoitive cocci in clusters.  The etiology is

A candida

B microsporum

C pseudomonas aeruginosa

D staphylococcus aureus

E sarcoptes

The patient has scaling skin on his fingers.  Conidiospores are seen in microscopic examination of skin scrapings.  The etiology is 

A candida

B microsporum

C pseudomonas aeruginosa

D staphylococcus aureus

E mycobacterium ulcerans

A 45 yr old man has pus filled vesicle distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest.  His symptoms are most likely due to 

A candida albicans

B herpes simplex virus

C staphylococcus aureus

D streptococcus pyogenes

E varicell zoster virus

A 35 yr old woman has a red, raised rash on the inside of her thighs.  Gram stained skin scraping show large budding cells with pseudohyphae.  The infection is caused by

A candida albicans

B herpes simplex virus

C staphylococcus aureus

D streptococcus pyogenes

E varicell zoster virus

Cytoplasmic inclusions were observed in a fetus that died in utero after 6 month gestation.  The probable cause of the fteus death was 

A fifth disease

B herpes simplex

C measles

D staphylococcus aureus

E streptococcus pyogenes

Assume that your lab partner swabs the side of his face and used the swab to inoculate a nutrient agar plate.  The next day he performs a gram stain on the colonies.  They are gram positice cocci.  You advise him that he should look for 

A acid fast reaction

B coagulase reaction

C condiospores

D pseudohyphae

E pseudopods

Which of the following pairs is mismatched?

A chickenpox-poxvirus

B conjunctivitis -chlamydia trachomatis

C keratitis - acanthamoeba

D infected tissue fluoresces - dermatomycosis

E buruli ulcer - mycobaterium

A 17 yr old boy has pus filled cysts on his face and upper back.  Microscopic examination reveals gram positive rods.  This infection is caused by

A acanthamoeba

B herpes simplex virus

C propionibacterium acnes

D staphylococcus aureus

E streptococcus pyogenes

Which of the following is not likely to spread MRSA among athletes?

A physical contact

B whirlpool baths

C taping gels

D antibiotic resistance

E shared equipment