Week 12

Question 1

the toxin of staphylococcus aureus strains that causes blisters and desquamation of skin is scalded skin syndrome is:

Answer 1

exfoliative toxin

Question 2

which of the following represents an opportunistic pathogen that can cause a variety of infection including nectrotizing fascitis

Answer 2

pseudomonas aeruginosa

Question 3

streptococcus pyogenes causes all the following, except

Answer 3

scalded skin syndrome

Question 4

streptococcal pharyngitis involves all the following except:

Answer 4

is usually caused by a fungal streptococci

Question 5

necrotizing fasciitis is:

Answer 5

associated with strains of streptococcus pyogenes producing destructive enzymes and toxins

Question 6

the majority of otitis media in children is mainly due to infection with:

Answer 6

streptococcus pneumoniae

Question 7

staphylococcus aureus may cause all of the following diseases except for

Answer 7

pneumonia

Question 8

the most common human pathogen is a gram-positive bacterium known as

Answer 8

streptococcus pyogenes

Question 9

impetigo is

Answer 9

a skin disease where crusty red lesions form on the face and limbs

Question 10

streptococcus pneumoniae is

Answer 10

a gram-positive diplococcus with a capsule

Question 11

people who handle animal hides are at risk of exposure to

Answer 11

bacillus anthracis

Question 12

the virus that causes chicken pox is

Answer 12

the same virus that causes shingles

Question 13

a similarity between HSV-1 and Varicella-zoster is

Answer 13

both viruses may be latent within the host

Question 14

a child arrives in the emergency with a systemic rash and cold symptoms. the physical examination reveals white spots in the mouth known as Koplik spots. This is indicative of

Answer 14

a measles infection

Question 15

a fungus that commonly causes skin infections and is considered an opportunistic pathogen would be

Answer 15

Candida albicans

Question 16

formation of a pseudomembrane in the back of the throat is seen in:

Answer 16

diptheria

Question 17

which color pigment is produced by Pseudomonas aeruginosa?

Answer 17

blue-green

Question 18

pertussis has the following characteristics, except:

Answer 18

catarrhal stage has persistent, hacking coughs with “whoops”

Question 19

the ability of a fungus to grow as a yeast or a mold depending on its environemental temperature is called

Answer 19

dimorphism

Question 20

oral thrush is caused by

Answer 20

candida albicans

Question 21

herpes whitlow is a deep set herpes simplex virus infection of the:

Answer 21

finger

Question 22

coronaviruses cause

Answer 22

common cold and SARS

Question 23

Severe Acute Respiratory Syndrome (SARS):

Answer 23

can cause high fever, pneumonia, respiratory distress

Question 24

the major agents responsible for the common cold are:

Answer 24

Rhinoviruses

Question 25

which of the following is true about Streptococcus pyogenes?

Answer 25

- S. pyogenes can cause skin and resp. diseases. - immediate treatment of strep throat is imperative because of possible dangerous sequelae - streptococcus pygoenes is a group A streptococci which are a group of streptococci that are known as human pathogens - S. pyogenes is resistant to phagocytosis due to its capsule

Question 26

which infections does the TDaP vaccine provide protection against

Answer 26

diphtheria and pertussis

Question 27

microbes are commonly found in all of these areas of the body except for:

Answer 27

the lower resp. tract

Question 28

which of these infections is also called valley fever?

Answer 28

coccidiomycosis

Question 29

walking pneumonia is caused by

Answer 29

Mycoplasma pneumoniae

Question 30

the leading infectious disease killer worldwide is:

Answer 30

tuberculosis