WGU

Ill or injured persons may benefit from emergency oxygen in situations that include serious bleeding, divers with a decompression injury, difficulty breathing, suspected internal injury, and: Warning signs of serious illness. Which of the following is a delivery device that can be used when providing emergency oxygen to a breathing person? Non-rebreather mask or a simple face mask To be considered an emergency oxygen delivery system, it must provide a minimum of______ liters per minute (LP...

Responsive patient older than 1 year - Radial A patient sitting in chair leaning forward outstretched arms Difficulty breathing When palpating the carotid pulse of a responsive patient Avoid compressing both carotid arteries simultaneously You receive a call to a day care center for an unresponsive 8 month old Assess a brachial pulse for 5-10 seconds If you can't palpate a pulse Immediately begin CPR Gas exchange in lungs is facilitated by Adequate amounts of surfactant Without adequate ...

electrical conduction of the heart The flow of electrical current causes smooth, coordinated heart contractions; they produce pumping action of the heart Depolarization electrical charges on the surface of the muscle cell change from positive to negative Repolarization the heart returns to its resting state, and the positive charge is restored to the surface Where do the electrical impulses begin? Electrical impulses begin high in the atria in the sinoatrial node, travel to the atrioventr...

The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. C. Is an Aerobic biological process A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to : A. Increase the RAS Flow B. Reduce Wasting Rates C. Increase dissolved oxyg...

domestic wastewater Comes from schools, homes, hospitals, businesses, light industrial facilities. population equivalents 100 lbs wastewater per day, .2 lbs TSS/day, .17 BOD/day industrial wastewater Comes from industries. Compatible wastes can be processed by the plant. Incompatible wastes are toxic to the plant. sanitary wastewater The combined domestic and industrial waste waters from community. storm water Water that runs off roads, parking lots, and other impervious surfaces during r...

First action for a polymer spill Apply an absorbent to the spill such as sand or kitty litter and then sweep up the materials. Total discharge head includes Discharge pressure head + static discharge head + Velocity head (outlet) + Friction Head (discharge line) Where is the best location to collect a sample? A location that represents the entire waste stream or basin. What are the preservation and hold times for BOD samples? 48 hours at < or = to 6 degrees C. Define BOD. The rate at ...

General Wastewater Treatment: What is the pressure head caused by? Water elevation General Wastewater Treatment: What color should the piping be that contains reclaimed water? purple General Wastewater Treatment: What is the term for the height to which a column of water will rise in a well. piezometric surface General Wastewater Treatment: In general, what is the maximum practical lift of pumps 15-25ft

Clean Water Act 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. EPA Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress NPDES National Pollutant Discharge Elimination System...

When Chlorine is combined with water what type of pipe should be used? A. Ductile iron B. Asbestos concrete C. PVC D. Carbon Steel C. PVC A good settling sludge would consist of what type of protozoa? A. Rotifers and nematodes B. Amoebas and Flagellates C. Stalked ciliates and mastagoria D. Free swimmers and stalk ciliates D. Free swimmers and stalk ciliates What is Phenolphylein used for in titration

What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? Storm events Combined wastewater is defined as Sanitary wastewater and stormwater runoff In general, the solids content in wastewater is about 0.1% In general, what is the percentage of suspended solids in the total amount of solids? 30% Generally, the percentage of dissolved solids in the amount of total solids is about 70% Which type of organisms would most probably be associa...