Biol 251 MasteringMicrobiology Chapter 21 – Flashcards
Unlock all answers in this set
Unlock answersquestion
Haemophilus influenzae is the most common bacterial cause of pinkeye.
answer
True
question
Inflammation of the thin clear membrane lining the eyelid and eye is properly termed
answer
conjunctivitis
question
Which of the following is incorrectly matched? Pseudomonas inclusion conjunctivitis Neisseria gonorrhea opthalmia neonatorum Acanthamoeba keratitis Haemophilus influenzae pinkeye Chlamydia trachomatis trachoma
answer
Pseudomonas inclusion conjunctivitis
question
Newborns' eyes are treated with an antibiotic
answer
as a routine precaution.
question
The varicella-zoster virus is the causative agent of chickenpox and shingles.
answer
True
question
Candidiasis often occurs following antibiotic therapy for bacterial infections.
answer
True
question
The abbreviation "GAS" refers to pathogenic strains of Staphylococcus.
answer
False
question
The majority of the staphylococci isolated from human skin are coagulase-positive.
answer
False
question
Which of the following pairs is mismatched? conjunctivitis Chlamydia trachomatis otitis externa - Pseudomonas chickenpox poxvirus Buruli ulcer Mycobacterium keratitis Acanthamoeba
answer
chickenpox poxvirus
question
A 35-year-old woman has a red, raised rash on the inside of her thighs. Gram-stained skin scrapings show large budding cells with pseudohyphae. The infection is caused by
answer
Candida albicans.
question
A 45-year-old man has pus-filled vesicles 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
answer
varicella-zoster virus.
question
A patient has pus-filled vesicles and scabs on her face, throat, and lower back. She most likely has
answer
chickenpox
question
Scabies is a skin disease caused by a
answer
mite
question
Which of the following is used to treat shingles? trifluridine fungicide penicillin sulfonamide acyclovir
answer
acyclovir
question
Which of the following statements about congenital rubella syndrome is FALSE? It may result in deafness, blindness, and mental retardation. It is contracted during the first trimester of pregnancy. It may be fatal to the unborn child. It does not occur with subclinical infections. It can be prevented by vaccinating women prior to pregnancy.
answer
It does not occur with subclinical infections.
question
Why is vaccination for rubella recommended?
answer
There is a high incidence of congenital infections and birth defects.
question
In which of the following respects is measles similar to German measles (rubella)?
answer
They can be controlled by vaccination.
question
Staphylococcus aureus is responsible for all of the following EXCEPT acne. boils. pimples. carbuncles. sties.
answer
acne
question
All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT hyaluronidase production. methicillin resistance. the ability to damage cell membranes. the ability to dissolve blood clots. M proteins.
answer
methicillin resistance.
question
Thrush and vaginitis are caused by
answer
Candida albicans.
question
Warts are caused by
answer
papillomavirus
question
Which of the following are incorrectly matched? herpes zoster shingles HHV-6 roseola parvovirus fifth disease poxvirus fever blisters varicella-zoster chickenpox
answer
poxvirus fever blisters
question
All of the following are normal microbiota of the skin EXCEPT Propionibacterium. Streptococcus. Micrococcus. Corynebacterium. Staphylococcus.
answer
Streptococcus.
question
Which region of the skin supports the largest bacterial population? feet scalp armpits forearms
answer
armpits
question
A possible complication of chickenpox is
answer
encephalitis