Microbiology Exam 3 Question & Answers
( Latest 2025 )
Mannitol salt agar is selective for Staphylococcus aureus because this
organism ____. - CORRECT ANSWERS ✔✔can withstand high salt
concentration
Impetigo is caused by _____. - CORRECT ANSWERS ✔✔both
Staphylococcus aureus and Streptococcus pyogenes.
Which material in skin provides protection from abrasions, water
damage, & microorganisms entry? - CORRECT ANSWERS ✔✔keratin
The enzyme that clots plasma is ______. - CORRECT ANSWERS
✔✔coagulase
Leishmaniasis is transmitted through the bite of a(n) _____. - CORRECT
ANSWERS ✔✔sand fly
Considering the diseases and conditions described in this chapter, those
transmitted by respiratory droplets are caused by ______. - CORRECT
ANSWERS ✔✔viruses
Which form of anthrax involves a black eschar on the skin? - CORRECT
ANSWERS ✔✔cutaneous
, Microbiology Exam 3 Question & Answers
( Latest 2025 )
River blindness is _____. - CORRECT ANSWERS ✔✔a disease caused
by helminths (worms) invading the eyes
The toxin of Staphylococcus aureus that causes blisters &
desquamation of skin in Staphylococcal scalded skin syndrome is _____.
- CORRECT ANSWERS ✔✔exfoliative toxin
Which of the following is not true of bacterial conjunctivitis? - CORRECT
ANSWERS ✔✔Infection produces a clear discharge from the eye
Protective features of the skin include all of the following except ____. -
CORRECT ANSWERS ✔✔high pH
True or False: Debridement of diseased tissue is important in the care
of patients with gas gangrene. - CORRECT ANSWERS ✔✔True
Your child has developed an eye infection with a yellowish discharge.
You predict that this is a case of ______. - CORRECT ANSWERS
✔✔bacterial conjunctivitis
The organisms that cause ringworm, or tinea use keratin protein as
their growth substrate. This is why these infections _____. - CORRECT
ANSWERS ✔✔are restricted to superficial skin layers.
( Latest 2025 )
Mannitol salt agar is selective for Staphylococcus aureus because this
organism ____. - CORRECT ANSWERS ✔✔can withstand high salt
concentration
Impetigo is caused by _____. - CORRECT ANSWERS ✔✔both
Staphylococcus aureus and Streptococcus pyogenes.
Which material in skin provides protection from abrasions, water
damage, & microorganisms entry? - CORRECT ANSWERS ✔✔keratin
The enzyme that clots plasma is ______. - CORRECT ANSWERS
✔✔coagulase
Leishmaniasis is transmitted through the bite of a(n) _____. - CORRECT
ANSWERS ✔✔sand fly
Considering the diseases and conditions described in this chapter, those
transmitted by respiratory droplets are caused by ______. - CORRECT
ANSWERS ✔✔viruses
Which form of anthrax involves a black eschar on the skin? - CORRECT
ANSWERS ✔✔cutaneous
, Microbiology Exam 3 Question & Answers
( Latest 2025 )
River blindness is _____. - CORRECT ANSWERS ✔✔a disease caused
by helminths (worms) invading the eyes
The toxin of Staphylococcus aureus that causes blisters &
desquamation of skin in Staphylococcal scalded skin syndrome is _____.
- CORRECT ANSWERS ✔✔exfoliative toxin
Which of the following is not true of bacterial conjunctivitis? - CORRECT
ANSWERS ✔✔Infection produces a clear discharge from the eye
Protective features of the skin include all of the following except ____. -
CORRECT ANSWERS ✔✔high pH
True or False: Debridement of diseased tissue is important in the care
of patients with gas gangrene. - CORRECT ANSWERS ✔✔True
Your child has developed an eye infection with a yellowish discharge.
You predict that this is a case of ______. - CORRECT ANSWERS
✔✔bacterial conjunctivitis
The organisms that cause ringworm, or tinea use keratin protein as
their growth substrate. This is why these infections _____. - CORRECT
ANSWERS ✔✔are restricted to superficial skin layers.
