Biological filter - Study guides, Class notes & Summaries

NURS 1140: Exam 1 Questions and Answers Already Passed What is pharmacokinetics? Pharmacokinetics refers to how the body absorbs, distributes, metabolizes, and excretes a drug. What is the first-pass effect? The first-pass effect is the process where a drug is metabolized at a specific location in the body, reducing its concentration before it reaches systemic circulation. Why is half-life important in pharmacology? Half-life determines how long it takes for the concentration of...

Texas Wastewater Class B Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct | Grade A Q: Ways to reduce bad odors coming from a collection system Answer: routinely cleaning slow running or low flow lines, adding chlorine or hydrogen peroxide to the collection system Q: Types of pipe that are commonly used in wastewater collection system Answer: ductile iron, Poly Vinyl Chloride (PVC) Q: Before entering a confined space a worker should A...

Texas Wastewater Class A Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct Q: Before entering a confined space a worker should Answer: Use approved monitoring device and check for the presence of dangerous gasses, ventilate the space with a blower, wear a safety harness and attach a life line Q: A properly designed and operated primary sedimentation tank should remove _____ percent of incoming BOD Answer: 30-40% Q: Devices that may be...

If wastewater contains dissolved oxygen, the biological breakdown will reduce sulfate to sulfide. T or F CORRECT ANSWER False At a pH below 5, all sulfide is present in the gaseous h2s form and most of it can be released from wastewater. T or F CORRECT ANSWER True In order to control odors effectively, the operator should know where odors originate and the cause. T or F CORRECT ANSWER True Chlorination is one of the oldest and least effective methods of controlling odors. T or F CO...

HVAC Heating ventilation air-conditioning Line of Demarcation A line that. is taped or drawn on the floor of the anteroom or area that separates the anteroom from the clean room Brainpower Read More Sticky mat A Matt compromising of multiple layers of sticky plastic it adheres to the floor in front of the door to the anteroom and or clean room . it helps to remove dirt and debris from the bottoms of shoes and shoe covers. the top most layer most frequently be removed and ...

SSM Exam Questions with Complete Solutions 100% Pass foodborne illness -Answer-a disease transmitted to people by food Foodborne illness is considered an outbreak when? -Answer-* 2 or more people have the same symptoms after eating the same food. * An investigation is conducted by state and local regulatory authorities. * The outbreak is confirmed by a laboratory analysis. Each year ________________ of people get sick from unsafe food -Answer-Millions Foodborne illness cost the United St...

The name of the State Agency responsible for enforcing pollution control laws in Texas - Texas Commission of Environmental Quality The term pathogenic means - Capable of causing disease The minimum separation between sewer lines and potable water lines is - 9 feet A licensed wastewater operator is a professional - consistently does best job possible, practices personal safety, strives to improve job knowledge, strives to keep the plant and collection system in the best appearance and wo...

Which is the most critical part of a biological safety cabinet? a. location in the laboratory b. high efficiency particulate air filter c. personal protective equipment d. power source available - ACCURATE ANSWERS High Efficiency Particulate Air Filter what is the function of a catalyst in a anaerobic jar? a. keeps excessive condensation from forming b. keeps toxic levels of carbon dioxide from building up c. only works properly when damp d. combines residual oxygen with hydrogen to ...

Low photon energy and high atomic number Combination of photon energy & tissue atomic # results in the highest probability of PE effect *Low photon energy and low atomic number *Low photon energy and high atomic number *High photon energy and low atomic number *High photon energy and high atomic number Step down voltage and step up current How does the filament transformer of the x-ray machine change the shape of electrical power? *Step up voltage and step down current *Step down ...

CYP INHIBITORS - CORRECT ANSWER **G PACMAN** Grapefruit Protease inhibitors (Ritonavir) Azole antifungals C - cyclosporine, cimetidine, cobicistat Macrolides (NOT azithromycin) Amiodarone (and dronedarone) Non-DHP CCBs CYP INDUCERS - CORRECT ANSWER **PS PORCS** Phenytoin Smoking Phenobarbital Oxcarbazepine (and eslicarbazepine) Rifampin Carbamazepine (also auto-inducer) St. Johns wort Digoxin Levels - CORRECT ANSWER 0.8-2 (Afib) 0.5-0.9 (HF) Toxicity: Initial s/sx: N/V, ...