Do you agree with how your classmates used the vocabulary? Do the mathematical results seem reasonable?

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Your initial post should be 150-250 words in length. Respond to at least two of your classmates’ posts by Day 7. Do you agree with how your classmates used the vocabulary? Do the mathematical results seem reasonable? 

 

 

 

 

 

 

 Respond to both students below separtely 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Student 1)

C.B.C

For this discussion I will be using Cowling’s Rule to determine the child sized dose of a particular medicine.  Cowling’s Rule is a formula which converts an adult dose into a child’s dose using the child’s age.  As in all literal equations this one has more than one variable, in fact it has three variables.

The assigned number that I will be using is 34. I will convert the adult dose into a child's dose by using the formulas given.

a= Childs age  D= Adult dosage  d=Child dosage

d=D(a+1)/24                      The Cowling’s Rule formula 

d=100(11+1)/24                 I substituted 100 for D and 11 for a. 

d=100(12)/24                     I added inside parentheses first. 

d=1200/24                         Then I multiplication comes next. 

d=50mg                             The division is the last step in solving for the child’s dose. 

The proper dose of Tamiflu for an 11-year-old child is 50mg.  

The next thing we are to do for this discussion is to determine a child’s age based upon the dose of medicine he has been prescribed.  The same literal equation can be used, but we will just be solving for another of the variables instead of d.  This time the adult dose is 1000mg and the child’s dose is 400mg.  I need to solve for a. 

d=D(a+1)/24                                          The Cowling’s Rule formula 

400=1000(a+1)24                                  I substituted 1000 for D and 400 for d. 

 Once both values have been substituted in, the result is a conditional equation for which there is only one possible value for a to make it true. 

400(24)=1000(a+1)(24)/24                    Both sides are multiplied by 24 to eliminate denominator

9600=1000(a+1)                                    Multiplication on left side is carried out. 

9600/1000=1000(a+1)/1000                  I then divide both sides by 1000. 

9.6=a+1                                                 One more step and it will be solved. 

9.6-1=a+1-1                                          Subtract 1 from both sides to isolate a. 

8.6=a                                                     We have solved for a. 

 

(Student 2)


For this week’s discussion I was given the number 19. I have been assigned to calculate a 5 -year-old child’s dose of amoxicillin given that the adult dose is 500mg.

I will be using the Cowling's Rule Formula to solve the problem. d= D(a+1)

                                                                                                                                                                        24

A. d = 500(5+1) For this part of the equation I substituted 500 for D and 5 for a.

                        24

    d= 500(6)     For the next step I went in order and added what was in the parenthesis first

            24                     giving me 6.

     d= 3,000    Then since multiplication comes next, I multiplied the 500 and 6.

             24

       d= 125            Then in the final step I divided 3,000 by 24 which aided in solving for the correct dose.

ANSWER: The proper dose of amoxicillin for a 5-year-old child is 125mg

Now I am going to determine the child's age based upon the doe of medicine that is being prescribed.

The same liberal equation can be used in the second part of this discussion but instead of solving for d we will be solving for a. The difference here is the adult dose is 100mg and the child's dose is 25mg.

So using the cowing's formula again we would have

d= D(a+1)

            24

25= 100(a+1)      In this case I substituted 25 for d and 100 for D.     

               24

The result of the above equation will then make it a conditional equation.

25(24)= 100(a+1)(24) I multiplied both sides by 24 in order to get rid of the denominator

                                    24

600= 100(a+1)

600 100(a+1)       Divide both sides by 100

100 100

6= a+1

6-1= a+1-1           subtract one from both sides in order to get the a by itself.

5=a                         this is my answer

So the estimated dose for a 5-year-old child is 125 milligram

    • 8 years ago
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