E coli - Study guides, Class notes & Summaries

When pressure testing a new line, how much pressure do you add? - 1.5 times normal pressure, up to 150 pounds, whichever is greater What would cause a repeat Bac-T sample? - Incomplete form, not enough sample, silt or slime in the bottle, positive e-coli, all of the above What are the layers of stratification? - Upper layer - Epilimnion. Middle layer - Thermocline. Bottom Layer - Hypolimnion. What standard must bleach meet? - NSF (National Sanitation Foundation) What is the Solid con...

A Food Worker at a bar was diagnosed with E. Coli and has not shown symptoms for a couple of days. What must her manager do? A) Restrict until Regulatory approval is obtained B) Exclude until Regulatory approbal is obtained C) Allow the worker to resume her normal duties D) Require her to wear single-used gloves at all times A) Restrict until Regulartory approval is obtained A large container of potato salad has been removed from cold holding at the correct temperature. How long can ...

Question 1 Correct 4.17 points out of 4.17 The best defense against arboviruses is . Select one: a. prophylactic rifampin b. vaccination c. vector control d. prompt treatment with acyclovir Question 2 Correct 4.17 points out of 4.17 Meningitis can be caused by a number of microbes, and the causative organism is often identified by microscopic observation of the cerebrospinal fluid. Identify the mismatch in the following list oforganisms and the description of the microscopic obse...

Test Bank for Microbiology: The Human Experience (Second Edition) By: John W. Foster; Zarrintaj Aliabadi; Joan L. Slonczewski All Chapters Covered Chapter 01: Microbes Shape Our History MULTIPLE CHOICE 1. Which of the following is NOT considered a benefit of microorganisms? a. nitrogen fixation c. synthesis of vitamins b. production of fermented foods d. causative agents of disease ANS: D DIF: Easy REF: 1.1 OBJ: 1.1a Describe how we define a microbe, and explain why the definition i...

TAMU bio 111 lab exam 2 review (2023/2024) already passed What is the difference between the coding and non-coding region? Coding region: comprised of genes that encode proteins (instructions that determine traits) and makes up 1-2% of human DNA. • Noncoding region: makes up 98-99% of human DNA, contains STRs and is responsible for regulatory functions such as gene transcription. What are STRs? Short-tandem repeats (STRs) are unique repeating patterns of the same nucleotide sequence. They can...

MN 576 Final Exam Questions With Answers Latest Update 2023/2024 Graded 100%. During well-women visits for 21- to 29-year-old sexually-active women who report more than 1 sex partner within the past 6 months, all of the following are appropriate screening tests except: Question options: 1) Pap smear. 2) HPV testing. 3) Pelvic examination. 4) STI screening. Question Components of the antenatal screening test known as the "quad screen" include all of the following except: Question optio...

NURS 652-- Module 1- 2: Think like an FNP &HEENT 100% SOLUTIONS Gonzaga University Watchful waiting as a treatment option in Acute Otitis Media uncertain diagnosis is appropriate at what age group? a) 2-4 months b) 4-6 months c) 6 months to 2 years d) Greater than age 2 e) Both C & D are correct. Correct: E Both C & D are correct. A 13 year old male is complaining of a 9 day history of facial the pressure is worse when he bends over. He complains of tooth pain when questione...

1. Infectious protein particles are called . 2. A group of protozoa that are not motile are the . 3. Select the statement that most accurately describes the action of antimicrobial drugs today. a. Antiviral drug treatment is more effective than vaccination against a viral disease. b. Effective antiviral drugs have a long history of development and use. c. Antiviral drugs often result in toxic side effects due to their inhibition of host cell activity. d. The development of antiviral drug r...

The process of DNA replication requires that each of the parental DNA strands be used as a ____________ to produce a duplicate of the opposing strand. (a) catalyst (b) competitor (c) template (d) copy - CORRECT ANSWER-(c) template DNA replication is considered semiconservative because __________________________________. (a) after many rounds of DNA replication, the original DNA double helix is still intact. (b) each daughter DNA molecule consists of two new strands copied form the...

Portage Microbiology Exam #4 Questions With 100% Correct Answers True or False: Growth media is best suited for distinguishing between two similar species of bacteria - answerFalse. Growth media is designed to simply support (and not restrict) microbial growth A researcher is asked to determine which of two vials contains e coli and which contains salmonella. Knowing both gram-negative while only one of them is capable of fermenting lactose, which type of media would be best suited (multi...