Bacteria isolated from a hot tub at 39 °C are probably which of the following?
BSCi106 Quiz No. 3

Quiz
•
Biology
•
University
•
Hard
Cindy Armada
Used 5+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
thermophiles
psychrotrophs
mesophiles
basophiles
hyperthermophiles
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the reason jams and dried meats often do not require refrigeration to prevent spoilage?
low pH
toxic alkaline chemicals
naturally occurring antibiotics
low water activity
high pH
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A soup container was forgotten in the refrigerator and shows contamination. The contaminants are probably which of the following?
thermophiles
acidophiles
mesophiles
psychrotrophs
basophiles
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In which environment are you most likely to encounter an acidophile?
human blood at pH 7.2
a hot vent at pH 1.5
human intestine at pH 8.5
milk at pH 6.5
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Pseudomonas aeruginosa is a common pathogen that infects the airways of patients with cystic fibrosis. It does not grow in the absence of oxygen. The bacterium is probably which of the following?
an aerotolerant anaerobe
an obligate aerobe
an obligate anaerobe
a facultative anaerobe
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is suitable for use on tissues for microbial control to prevent infection?
disinfectant
antiseptic
sterilant
water
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following best describes a microbial control protocol that inhibits the growth of molds and yeast?
bacteriostatic
fungicidal
bactericidal
fungistatic
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