Micro test 3 Questions and Answers100% verified (Dr. Al LSUE)

Micro test 3 Questions and Answers100%
verified (Dr. Al LSUE)
a larger population of microorganisms - ANSWER-Which will require a longer time to
kill?

a manual in vitro diagnostic device used by laboratories to determine the MIC (answer
will say something about the strips used in the device) - ANSWER-What is an E Test?

acquired during the course of hospitalization - ANSWER-A nosocomial infection is

alcohol - ANSWER-Substance NOT effective against nonenveoled viruses:

alcohols effectively inactivate nonenveloped viruses by attacking lipids - ANSWER-
False statement regarding antimicrobial control agents:

all of the above - ANSWER-How can emerging disease come about?

all of the above - ANSWER-Mechanisms by which antibiotics kill or inhibit microbial
growth are:

All of the above (capsule, cell wall, hyaluronidase) - ANSWER-Which of the following
components are part of invasiveness?

all of the following (malaria, AIDS, tuberculosis, typhoid fever) - ANSWER-Which of the
following are a communicable diseases

all of the following (sick person, a healthy person, a sick animal, a hospital) - ANSWER-
Which of the following is a reservoir of infection

all of the following (tuberculosis, measles, the common cold, diptheria) - ANSWER-
Which of following diseases are spread by droplet infection

all of the following (using syringes more than once, normal microbiota on the operating
room staff, errors in aseptic technique, antibiotic resistance) - ANSWER-Which of the
following can contribute to postoperative infections

always acquired during the course of hospitalization - ANSWER-A nosocomial infection
is:

biguanides - ANSWER-Is NOT used to preserve food:

Biological transmission - ANSWER-Is an active process and is more complex; The
arthropod bites an infected person or animal and ingests some of the infected blood

, bisphenol - ANSWER-A disinfectant that acts by disrupting the plasma membrane

boiling - ANSWER-What is NOT effective in destroying prions:

botulism - ANSWER-Which of the following diseases is not spread by droplet infection

cavitation - ANSWER-Ultrasound kills by

chlorhexidine - ANSWER-Substances used for surgical hand scrubs:

chlorine - ANSWER-The disinfectant of choice for municipal water supplies is
_______________.

chlorine, hydrogen peroxide, iodine, and ozone - ANSWER-Oxidizing agents include:

Coagulation - ANSWER-Which of the following is NOT a component of invasiveness?

Collect and analyzes the occurrence of the disease - ANSWER-What does an
epidemiologist do?

Commensalism - ANSWER-The type of symbiotic relationship where one of the
organisms benefits, and the other is unaffected

Cytolysis - ANSWER-Involves the membrane attack complex

decreased thermal death time - ANSWER-Application of heat to living cells can result in
all of the following except:

desiccation - ANSWER-The preservation of beef jerky from microbial growth relies on
which method of microbial control:

disinfection - ANSWER-The killing of vegetative form of pathogenic microorganisms
(usually on inanimate objects) is called

Droplet transmission - ANSWER-What type of transmission of disease is it called when
a person sneezes?

enter through hair follicles and sweat ducts - ANSWER-Most pathogens that gain
access through the skin

ethylene oxide - ANSWER-Chemical agents that is used for sterilization:

Exotoxins - ANSWER-__________ are very specific

Fleming - ANSWER-Penicillin become widely used because of the work of: