Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

What does bactericidal mean? Bacteriostatic? Virucidal? Fungistatic?

Why are control cultures necessary in evaluating disinfectants?

What factors can influence the activity of a disinfectant?

Why do microorganisms differ in their response to disinfectants?

What microorganisms are most susceptible to disinfectants?

Which microbial forms are most resistant to disinfectants?

How can bacteriostatic and bactericidal disinfectants be distinguished?

What is an iodophor? What is its value?

Why are bacterial endospores a problem in the hospital environment?

Briefly discuss disinfection and antisepsis in relation to patient care.

In addition to using a hand scrub, what other precaution in necessary for

health-care personnel to prevent spreading infection by their hands when in the operating room?

Would you expect that long or artificial fingernails interfere with the effectiveness of hand scrubs? Why?

Why is it not suitable to wear rings with stones in hospital settings?

Why should hands be washed before and after dressing changes even though gloves must be worn during the procedure?

problems

1. Define an antimicrobial agent.

2. What is meant by antimicrobial resistance? Susceptibility?

3. Why are pure cultures used for antimicrobial susceptibility testing?

4. Would it be acceptable to use a mixed culture for this test? Why?

5. List three factors that can influence the accuracy of the test.

6. When performing a broth dilution test, why is it necessary to include a growth control tube? A sterility control tube?

7. How can the minimum bactericidal concentration of an antimicrobial agent be determined from an MIC assay?

8. Could an organism that is susceptible to an antimicrobial agent in laboratory testing fail to respond to it when that drug is used to treat the patient? describe.

9. Are antibacterial agents useful in viral infections? describe.

10. Why is it better to use the word susceptible rather than the word sensitive in describing an organism's response to a drug? When speaking of the patient, what does the term drug sensitivity mean?

11. Describe a mechanism of bacterial resistance to antimicrobial agents.

12. If the laboratory isolates S. aureus from five patients on the same day, is it necessary to test the antimicrobial susceptibility of each isolate? Why?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M943194

Have any Question? 


Related Questions in Biology

You believe that the cytosolic protein p007 is involved in

You believe that the cytosolic protein p007 is involved in mediating growth hormone-stimulated proliferation in cells. You wish to establish a cell model using your cultured fibroblasts. Provide clear explanations to the ...

Trace the pathway of the blood through the heart and

Trace the pathway of the blood through the heart and differentiate between pulmonary, systemic, and cardiac circulation.

How does sexual reproduction benefit the offspring in

How does sexual reproduction benefit the offspring in terms of genetic variation? Provide an example

1 define partial pressure and how it is calculated2

1. Define partial pressure and how it is calculated. 2. Compare the partial pressure at sea level and at the top of Mt. Everest. Explain why, if oxygen is still at the same concentration in both locations, the partial pr ...

Track the ingestion and digestion of a ham and cheese

Track the ingestion and digestion of a ham and cheese sandwich on whole wheat bread with lettuce, green pepper, and tomatoes. Describe the fate of this sandwich from the time you eat it. Be very detailed as to the digest ...

Sickle cell anemia is a very severe conditiona explain the

Sickle cell anemia is a very severe condition. a) Explain the condition and the alleles of the person with the condition and why it is a serious problem; b) What type of chromosomal disorder causes the condition; c) If t ...

Name a process that occurs when dna is released by a broken

Name a process that occurs when DNA is released by a broken or lysed bacterium is taken up by another bacterium through its cell membrane giving this bacterium new traits

Assignmentessay analysis of rhetorical strategiestattoos on

Assignment Essay: Analysis of Rhetorical Strategies Tattoos on the Heart is Gregory Boyle's memoir of running Homeboy Industries and working with gang members to help them change their lives. Boyle uses various rhetorica ...

Define nonrenewable resources and identify four examples

Define nonrenewable resources and identify four examples (only one energy source allowed).

1 mediterranean climates like those in central california

1. Mediterranean Climates, like those in Central California, experience extremely hot and dry summers and relatively cool and moist winters. Relate the soil-water balance to the growth strategies of plants in this region ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen