Evolutionary relationships among species can be determined by comparing… (Select 3 options)

2021-2: The nurse makes a medication error. Which action will the nurse take first?

During pregnancy, iron requirements are:

Which of the following is true of genetic variation? (select 4 options)

A patient has gained 4.4 pounds as a result of fluid retention. The nurse correctly estimates this weight gain is equivalent to approximately how much fluid?

The prescriber orders ranitidine HCl (Zantac) 60 mg IV every 6 hours for a patient weighing 68 lbs.                Dosage range: 5-10 mg/kg/day in 4 divided doses                The pharmacy has supplied ranitidine HCl (Zantac) 90 mg/6 mL   A)    What is the safe range/dose? _____________mg (tenth)  B)      Would you administer this medication and why?  _______________ [reason]  

The prescriber has ordered acetaminophen (Tylenol) 500 mg, by mouth every 6 hours for a temperature >101◦F. The patient weighs 65kg and has a temperature of 101.4◦F. Safe dosage range: 40–50 mg/kg/day in 4 divided doses. A. What is the safe dose range/dose? ________________mg (If rounding needed, round to the whole) [mg] B. Would the nurse administer this medication and why? _________________________ [reason]  

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work. Kp = 7.2 for the reaction:  Br2(g)  +  Cl2(g)   ⇄   2 BrCl(g) Calculate the value of Kp when the reaction changes to: 4 Br2(g)  +  4 Cl2(g) ⇄ 8 BrCl(g)      

The acetate ion (C2H3O2-) is amphiprotic.

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work The Kb of a base is 3.6 x 10-11. Calculate the Ka for its conjugate acid.