Blog

A patient has a peripherally inserted central catheter (PICC) line inserted to continue IV antibiotic therapy at home. With proper care, how long can this type of venous access device remain in place?

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water.  The density of water is 0.997 g/mL.

Calculate the mass of FeS formed when 9.42 g of iron reacts with 8.50 g of sulfur according to the following reaction.             Fe(s) + S(s) → FeS(s)

Which potential complication will the nurse expect in patients with a venous access device?

Ammonia reacts with diatomic oxygen to form nitric oxide and water vapor:             4NH3 + 5O2  →  4NO + 6H2O             When 20.0 g NH3 and 50.0 g O2 are allowed to react, which is the limiting reagent?

At a local community college, five statistics courses are randomly selected out of 20 and all of the students from each course are interviewed.  Identify the sampling technique used by the community college.

Determine the temperature (in °C) at which the following reaction will become spontaneous given the enthalpy of the reaction (ΔH°rxn) is +115.3 kJ and the entropy of the reaction (ΔS°rxn) is +263 J/K.3A (g) + 2B (g)

The nurse is administering medications to various patients during morning medication pass. The patient at the lowest risk of having an adverse reaction is the patient receiving

Which gauge needles are used for subcut injections?

A mixture of 0.75 moles of H2S, 0.40 moles of H2, and 1.25 moles of S2 are placed in a 10.0 L container. Which of the following statements is true if the following reaction has a Kc value of Kc = 4.0 x 10-8 at a temperature of 750°C? 2 H2S (g) 2 H2 (g) + S2 (g)