Author: Anonymous

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

During pregnancy, iron requirements are:

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.

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. Write the Kc expression for each of the following reaction: Fe2S3(s)  +  6 H2O(g)  ⇄   3 H2S(g)  +  2 Fe(OH)3(s)

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)