Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 5, Problem 1MC
Unlike a disinfectant, an antiseptic
a) sanitizes objects rather than sterilizes them.
b) destroys all microorganisms.
c) is non-toxic enough to be used on human skin.
d) requires heat to be effective.
e) can be used in food products.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Unlike a disinfectant, an antiseptica) sanitizes objects rather than sterilizes them.b) destroys all microorganisms.c) is non-toxic enough to be used on human skin.d) requires heat to be effective.e) can be used in food products.
Filtration does/is NOT...?a) Sterilize heat sensitive liquidsb) Kill microbesc) Sterilize providing pores are exceedingly smalld) Used in preparation of vaccines, vitamins, and drugse) Used to capture microbes in ventilation systems via HEPA filters
Which of the following is false?a) Pasteurization does not sterilizeb) Ionization radiation is useful for sterilizing food and pharmaceuticals c) Phenolics can be used as antisepticsd) Isopropyl alcohol can sterilize the skine) Steam autoclaving is an effective means of sterilization
Which of the following is not a factor that determines the effectiveness of an antimicrobial agent?
a) Time of exposure
b) Temperature
c) pH
d) Concentration of agent
e) All of the above are factors that determines the effectiveness of an antimicrobial agent
4. Which of the following is not a specific cell target for antimicrobial agents? a) Capsule
b) Cell wallc) Cell membraned) DNA / RNA synthesis e) Protein function
5. Which of the following…
Aseptic technique refers to
A) the microbial inoculum placed into a test tube or onto a Petri plate.
B) a series of practices to avoid contamination.
C) the autoclave and other sterilizing procedures.
D) cleanliness in the laboratory.
Chapter 5 Solutions
Nester's Microbiology: A Human Perspective
Ch. 5 - How is preservation different from pasteurization?Ch. 5 -
2. What is the most chemically resistant...Ch. 5 - Explain why it takes longer to kill a population...Ch. 5 - What is the primary reason that wine is...Ch. 5 -
5. What is the primary reason that milk is...Ch. 5 - When canning, why are low-acid foods processed at...Ch. 5 - How are heat-sensitive liquids sterilized?Ch. 5 -
8. How does microwaving a food product kill...Ch. 5 -
9. How is an iodophore different from a tincture...Ch. 5 - Name two products commonly sterilized using...
Ch. 5 - Unlike a disinfectant, an antiseptic a) sanitizes...Ch. 5 - The D value is defined as the time it takes to...Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Which concentration of alcohol is the most...Ch. 5 - All of the following could be used to sterilize an...Ch. 5 - All of the following are routinely used to...Ch. 5 - Aseptically boxed juices and cream containers are...Ch. 5 - Commercial canning processes are designed to...Ch. 5 -
10. Which of the following is false?
a) A...Ch. 5 - An agriculture extension agent is preparing...Ch. 5 - As a microbiologist representing a food...Ch. 5 - This graph shows the time it takes to kill...Ch. 5 -
2. This diagram shows the filter paper method...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which statement among A-D is false regarding physical and chemical agents of control? A) O Effective killing of bacteria via irradiation with UV light would likely take longer than if irradiated with gamma rays or x-rays. B) O Detergent-type disinfectants exert their effect by solubilizing membranes. C) O Antiseptics are generally not as strongly concentrated as disinfectants D) O Sterilization and pasteurization are equivalent processes.arrow_forwardWhat is one reason for using a compounding pharmacy? A) Patient requires unusual frequency for dosing B) Patient does not trust the commercial product afraid of contaminants C) Patient is allergic to ingredients in the commercially available product D) Patient requires usual dosagearrow_forwardThe amount of a xenobiotic compound encountered in the environment is: A) Exposure dose B) Total dose C) Absorbed dose Administered dosearrow_forward
- Biohazard saftey precautions should be adheared to according to OSHA by all Forensic Scientists to protect aganist: A) HIV B) Blood- borne pathogens C) Hepatitis B D) Air-borne pathogens E) A and B F) All of the abovearrow_forwardWhich of the following is false?a) A high-level disinfectant cannot be used as a sterilant.b) Critical items must be sterilized before use.c) Low numbers of endospores may remain on semicritical items.d) Standard sterilization procedures do not destroy prions.e) Quaternary ammonium compounds can be used to disinfect food preparation surfaces.arrow_forward-For each item listed below, select a sterilant that you feel is the most suitable and effective for that item. Discuss why you selected each sterilant.? A) plastic Petri dishes to be used for nutrient media B) glass tubes of bacterial cultures to be discarded C) sterile milk D) dozens of reusable glass pipets E) bone tissue for grafting F) room air G) hospital mattresses H) biopsy tissue for histology analysis I) plastic respiratory therapy equipment and arthroscopes J) vaccinesarrow_forward
- Which of the following is used in the sterilization of the medium?a) benmargeb) swabc) autoclaved) centrifugee) coolingarrow_forwardImportant characteristics of antimicrobial drugs include: a) readily delivered to the site of infection b) high toxicity against microbial cells c) do not cause serious side effects in humans d) remains active in body tissues and fluids e) all of the abovearrow_forwardThe benefits of properly using radioactivity include al Treating cancer in human beings. Ob) Irradiating food to kill harmful bacteria. c) All of these Od) Measuring the proper amounts of fertilizer on farms.arrow_forward
- 29) When speaking about an antibiotic's SPECTRUM, to what are healthcare providers referring? A) The amount of light exposure that will cause chemical break down of the antibiotic. B) The color of the antibiotic tablet. C) The quantity of organisms the antibiotic is effective against. D) The speed at which the antibiotic will treat the infection.arrow_forwardA solution of ascorbic acid for injection is prepared for: A) Water for injection B) Purified water C) Water for injection, purified from CO2. D) Water for injection saturated with CO2.arrow_forwardThe sediment observed in stained blood smear caused by:a) Overstrainingb) More Haematoxylin in the mixturec) Smear was not fixedd) Using non- filtered staine) Using old stainarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Essentials of Pharmacology for Health ProfessionsNursingISBN:9781305441620Author:WOODROWPublisher:Cengage
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
Infection Prevention and Control; Author: thecityoftoronto;https://www.youtube.com/watch?v=jx9sRYmBW3Q;License: Standard Youtube License