Test 2 Questions Flashcards
To reduce hospital-acquired infecitons, replacing intesive-care unit (ICU) surfaces with __________ has been studied because of this metal’s inhibitory effect on microbial growth.
Copper or Brass
All of the following methods would be useful for preventing spoilage of milk EXCEPT:
boiling
Enveloped viruses “steal” part of the _________ from the host cell during budding.
cell membrane
Chronic wasting disease (CWD) is a neurologic illness in deer that is caused by infectious proteins called __________ .
prion
All of the following methods would be useful for preventing spoilage of milk EXCEPT:
boiling
Two years after the introduction of methicillin for treating penicillin-resistant staph infections in 1959, methicillin-resistant S. aureus (MRSA) emerged. What mechanism was discovered for methicillin resistance in MRSA?
Alternative transpeptidase is not inhibited by methicillin.
Which process is directly controlled by HIV integrase?
latency
Which kind of transmission is The common cold spreads through a daycare when a child sneezes into his hands and touches numerous toys and books?
indirect contact transmission via fomites?
After HIV attaches to the CD4 receptor on the host cell, the envelope glycoprotein gp41 triggers viral entry by a process called:
fusion
Which type of nosocomial infection is the most prevalent, accounting for 40% of cases?
UTI’s
