The patient is told upon discharge to soak his heel every 2 hr ...

[saliriagwu]

The patient is told upon discharge to soak his heel every 2 hr for 20 min in 500 mL of 1 part Epson salts to 4 parts (the ratio) of warm water.
 
  a. What is the  of Epson salts in the solution?
  b. How much Epson salts should the patient measure in the metric measuring cup provided?

Question 2

Ordered: 100 mL q2h of a 25  solution for an irrigation.
 
  a. How many mL of the active ingredient will you prepare?
  b. What is the ratio of the active ingredient to the inactive ingredient?

[jxjsniuniu]

Answer to Question 1

a. 20 Epsom salts active ingredient (1 part plus 4 parts = strength)
b. 100 mL (20 of 500 mL)

Answer to Question 2

a. 25 mL (25 of 100 = 25 or strength or 1 out of 4 parts )
b. 1:3 (1 part plus 3 parts = 4 total parts)

[saliriagwu]

Gracias!

[Animal_Goddess]

Thanks for the timely response, appreciate it