3. Answer accordingly:. A. Bacteria which require only basic and straightforward nutrition for growth are termed as B. Bacteria which require complex and exceptional media contents for growth are termed as C. Bacterial growth on plated agar is termed as counted and expressed as D. Microbes Introduced into a culture medium is termed as a/an. E. The transfer of microbes from one culture medium to another is termed as F. The most common solidifying agent in culture media is (temp). G. This agent solidifies at (temp) and liquefies at H. Why is this solidifying agent preferred for use in culture media? L All culture media before use must be sterilized inside a/an_ J. The conditions for sterilization are, (temp), (pressure),. and (time).

3. Answer accordingly:. A. Bacteria which require only basic and straightforward nutrition for growth are termed as B. Bacteria which require complex and exceptional media contents for growth are termed as C. Bacterial growth on plated agar is termed as counted and expressed as D. Microbes Introduced into a culture medium is termed as a/an. E. The transfer of microbes from one culture medium to another is termed as F. The most common solidifying agent in culture media is (temp). G. This agent solidifies at (temp) and liquefies at H. Why is this solidifying agent preferred for use in culture media? L All culture media before use must be sterilized inside a/an_ J. The conditions for sterilization are, (temp), (pressure),. and (time).

Comprehensive Medical Assisting: Administrative and Clinical Competencies (MindTap Course List)

6th Edition

ISBN:9781305964792

Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa

Publisher:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa

Chapter30: Assisting With Minor Surgery

Section: Chapter Questions

Problem 2CR

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If the concentration of E. coli in a broth is between 104 and 106 cells per mL, the best way determine the precise number of living cells in the sample, would be toa) use a counting chamber.b) plate out an appropriate dilution of the sample on nutrient agar.c) determine cell number by using a spectrophotometer.d) Any of these three methods would be satisfactory.e) None of these three methods would be satisfactory.
When determining the clinical significance of cultures, a. the number of microbes is signifi cant. b. the presence of a single colony of a true pathogen may indicate the presence of the disease if the culture comes from a site known to be sterile (i.e., cerebrospinal fl uid). c. the repeated isolation of a relatively pure culture of any microorganism can mean it is an agent of disease, although this is not always the case. d. a range of tests may be needed to identify a pathogen. e. all of the above are true.
The thermal death point is best described as:(a) The highest temperature that will support growth of amicrobial culture(b) The length of time required for killing 100% of mi-crobes in a 24-hour culture that is heated to 100°C(c) The temperature at which a previously growing 24-hourculture will begin to die(d) The temperature at which 100% of the microbes in a24-hour culture will be killed in 10 minutes
The mechanical removal of microbes from a limited area of living tissue is referred to as -- a. None of the above b. disinfection c. pasteurization d. antisepsis e. sterilization
Which of following statements is TRUE about antiseptics and disinfectants? A. Disc diffusion works because the disc is soaked in bacteria and is the exposed to antimicrobial. B. You can tell the characteristics of the zone inhibition whether an organism is cidal or static in its effect. C.The shape of an object being cleaned may influence the effectiveness of germicides D. Gram + organisms are more resistant than Gram - organisms E. A large zone of inhibition shows bactericidal effect
1. Which of the following is NOT true of spread plating method? A. the maximum inoculum allowed is 1.0 ml B. spreading of the inoculum is done using a disinfected glass L-rod C. A pre-solidified medium is required prior to inoculation of the sample. D. A and B 2. Plates inoculated with bacteria are inverted during incubation to: A. prevent contamination B. limit the colony growth C. A and B D. A and C E. All of the above F. None of the above
2) A pure culture A) is sterile. B) is a population of identical cells. C) is made of a clearly defined chemical medium. D) contains one microbial cell.
The Petri Dish method is used in microbiology to raise bacteria in: a) rapid growth b) pure culture c) septic environment d) all of the above 2. What is the difference between antiseptic and sanitization?3. In order to prevent any kind of contamination the medium must be _________ before placing it in the Petri dish. a) lyophilized b) pasteurized c) autoclaved d) distille
Which of the following would you expect if you let surfaces stay wet for 5 minutes instead of 10 minutes? A A smaller percentage of the microbes would be killed. B Time does not play a role in how successful a disinfectant treatment is, so a 5 minute application will kill the same percent of the total population as a 10 minute application. C The germicide would remove just as many total microbes; 10 minutes is definitely more time than is necessary.
An inoculating loop must be flamed to uniform orange-hot from base to tip A. after culture is transferred to the wire loop but before transfer to new media B. before culture is transferred to the wire loop and after culture is transferred from the wire loop to new media C. after culture is transferred to the wire loop and before culture is transferred from the wire loop to new media D. before culture is transferred to the wire loop
Blood agar contains intact sheep red blood cells which are used to determine if a microbe has the ability to lyse these cells. This agar is properly termed A. a selective differential medium B. a complex medium C. a differential medium and a complex medium D. a selective medium
Which ONE of the following best describes the abbreviation ‘MIC’? Select one: A. The lowest concentration at which no microbial growth is detected B. The lowest concentration that indicates whether an antibiotic would be effective or not C. The lowest concentration which is not toxic to the host D. The lowest concentration which is least effective against the organism E. The lowest concentration which kills the organism