The ph meter - Study guides, Class notes & Summaries

Define anion and cation. - ANS Anion: negatively charged atom or molecule. Examples include phosphate, sulfate, nitrate, and chloride. Cation: A positively charged atom or molecule. Examples include calcium, magnesium, sodium, potassium and ammonium. Define cation exchange capacity and anion exchange capacity. - ANS CEC is the amount of positively charged cations which can be held by a given weight of soil. Cations are held by negative charges in clay and organic matter. AEC is th...

A Phlebotomist has a requisition to draw blood on a patient who has severe Down syndrome. Which of the following steps should the Phlebotomist take? A) Explain the procedure to the patient in simple terms, then proceed with venipunture. B) Speak with the patients guardian before performing the venipuncture to ensure the explanation is understood C) Draw the Patient's blood without trying to explain the procedure D) Ask the patient's guardian to assist in holding the patient's arm...

First step of fecal accident procedure - ANSWER-Direct all bathers to leave the pool. All affected waters must be closed to swimming until proper procedures for contamination have been completed Second step of fecal accident procedure - ANSWER-Manually remove as much of the material as possible using a net or scoop and dispose of it in a sanitary manner. Clean and disinfect the scoop or net. After cleaning leave the net or scoop immersed in the pool during this infection. Vacuuming the stool ...

Which of the following is not likely to develop if wastewater remains int eh collection system too long? - Answer Algae A high sewage pH can result int production of toxic gases due to : - Answer Ammonia What problems do septic conditions in the collection system cause at the treatment plant? - Answer Odor and oxygen demand If a lift station pump will not start what do you check? - Answer Broken and loose terminal connections Shaft binding or sticking Motor shorted or bur...

program for writing reports: - word processor mechanical seal advantage: - lasts longer pump is just back from the shop and pulls high amps, what is the likely cause: - packing too tight change in the discharge head of the pump: - increases flow why does an engine driven blower need to be started under no pressure? - may damage fans belt press water is shiny and the sludge sticks: - lower polymer dosage and adjust belt speed what is a Chain of custody? - time of collection unti...

CPO Exam Questions and Answers with Complete Solutions Which of the following factors should you consider when choosing a disinfectant Chemical safety and storage space When a chlorine compound is introduced to water, what does the chemical reaction form? hypochlorous acid What is the main difference between organic and inorganic chlorine compounds? Organic chlorine contains cyanuric acid For formed (solid) accidents, pool operators should use the following procedure: Maintain ...

SWS3022 Soil Taxonomy Exam Questions with Correct Answers T or F: A soil has a high CEC and a low Base Saturation. It is difficult to raise the pH. - Answer-T High CEC = Numerous Negative Sites Low %B.S. = Most Sites occupied by ACIDS High amounts of acid on exchange complex must be replaced/neutralized T or F: The suffix -ent indicates an entisol. - Answer-T T or F: The subordinate horizon designation, t, indicates a subsurface accumulation of OM. - Answer-F indicates silic...

A nurse is caring for a client who had abdominal surgery 24 hours ago. Which of the following actions is the priority? A. Assess fluid intake every 24 hours B. Ambulate three times a day C. Assist with deep breathing and coughing D. Monitor the incision site for findings of infection C The priority action the nurse should take when using the airway, breathing, circulation approach to client care is to assist the client with deep breathing and coughing, which reduces the risk for postoper...

Fresenius Nurse Final Exam Part 1_Exam 2022. The 3 reasons that dialysis is a high risk area: All dialysis surfaces must be disinfected with _____ bleach solution until surfaces is glistening _____ and then allow to A ______ bleach solution is used to disinfect a large spill greater than ______ The following are examples for what process: during initiation and termination of dialysis; cannulation of an access; needle adjustment; changing a transducer; setting up a dialysis machine ...

How long does the RO have to be running before we perform any water testing? Correct Answer 15 minutes What does IFU stand for? Correct Answer instructions for use ***Instructions written by the manufacturer that are approved by the FDA. How long does the sample valve need to be flushed after the RO has been running for 15 minutes before a sample is collected? Correct Answer 2 minutes What is the frequency for testing the Total Chlorine? Correct Answer Before the first patient of the...