A client with severe hypoparathyroidism is experiencing tetany. Which of the following medications, prescribed by the physician for emergency use, will the nurse administer to correct the imbalance?
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A long bone is covered externally with a sheath called the _…
A long bone is covered externally with a sheath called the __________, whereas the marrow cavity is lined with the __________.
A slow leak from an underground storage tank has contaminate…
A slow leak from an underground storage tank has contaminated both the soil and the groundwater as shown below. Soil contaminated above the groundwater table (in the shape of a rectangular prism): Volume: 20 m3 Soil density: 1800 Kg/m3 Porosity: 0.3 Contaminant concentration: 800 mg/Kg Soil contaminated below the ground water table (note: groundwater plume is in the shape of a cone): Volume: 3000 m3 Porosity: 0.3 Contaminant concentration in groundwater: 4000 mg/L Amount of contaminant present in the soils contaminated just below the tank but above the groundwater (n the shape of a rectangular prism) is most nearly (Kg):
18) Which pH is closest to normal body pH?
18) Which pH is closest to normal body pH?
400 cubic yards of gasoline-contaminated soil will be treate…
400 cubic yards of gasoline-contaminated soil will be treated using bioremediation. The soil has low organic content. It is desired to bring the water moisture level to 60% to maintain high reaction rates. Calculate how much water (cubic feet) should be added. Soil porosity, n = 30% Initial saturation, S = 20% Conversion: 1 yd = 3 ft
Hydraulic conductivity of soil is measured as 2×10-2 cm/sec…
Hydraulic conductivity of soil is measured as 2×10-2 cm/sec. After an accident, a truck carrying dissolved salt solution releases its contents to surface. The distance between the spill and a groundwater well is 1600 meter. The groundwater elevation at the spill location is 5.5 meter and well location is 5.3 meters. Porosity of soil is 0.4. Travel time of contaminant to the well is most nearly (years):
100 mL of a solution with a TOC (total organic carbon) conce…
100 mL of a solution with a TOC (total organic carbon) concentration of 0.5% is placed in each of the five containers with activated carbon and shaken for 48 hours. The samples are filtered and the concentration of TOC measured, yielding the following analyses: Test beaker no.: 1 2 3 4 5 Carbon (grams): 10 8 6 4 2 TOC (mg/L): 42 53 85 129 267 The Freundlich isotherm is to be used: X/M = k Cf 1/n The value of X (TOC removed) in the 1st beaker is (mg):
100 mL of a solution with a TOC (total organic carbon) conce…
100 mL of a solution with a TOC (total organic carbon) concentration of 0.5% is placed in each of the five containers with activated carbon and shaken for 48 hours. The samples are filtered and the concentration of TOC measured, yielding the following analyses: Test beaker no.: 1 2 3 4 5 Carbon (grams): 10 8 6 4 2 TOC (mg/L): 42 53 85 129 267 The Freundlich isotherm is to be used: X/M = k Cf 1/n The value of X (TOC removed) in the 1st beaker is (mg):
The following data have been collected during the trial burn…
The following data have been collected during the trial burn studies for incineration of a waste mixture. The principle hazardous constituent (POHC) for the waste has been determined as dioxin. Compound inlet flow rate (lb/hr) outlet flow rate (lb/hr) Benzene 1200 4 Toluene 800 3 Dioxin 30 1 Destruction removal efficiency for the POHC is:
The following data have been collected during the trial burn…
The following data have been collected during the trial burn studies for incineration of a waste mixture. The principle hazardous constituent (POHC) for the waste has been determined as dioxin. Compound inlet flow rate (lb/hr) outlet flow rate (lb/hr) Benzene 1200 4 Toluene 800 3 Dioxin 30 1 Destruction removal efficiency for the POHC is: