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2.“Lucy”, a 12 year old 16 kg beagle needs a dose of the antibiotic cefazolin IV to treat her infected bite wound. The dose is 22 mg/kg IV. The concentration is 100 mg/ml. How many mgs of cefazolin will you give to “Lucy”? How many mls will you give to “Lucy”?

Sagot :

To determine the many mls will you give to “Lucy”:

Using a weight measurement by volume conversion

[tex]\text{Volume(ml)}=\frac{\text{mass(kg) x dose(mg/ml)}}{density\text{ (mg/ml)}}[/tex]

Mass = 16kg

dose = 22mg/kg

density = 100mg/ml

How many mgs of cefazolin will you give to “Lucy

[tex]\begin{gathered} \text{mass (mg) = 22 mg / kg x 16kg} \\ \text{mass (mg) = 352 mgs} \end{gathered}[/tex]

Hence the mass (mgs) of cefazolin given to lucy = 352 mgs

[tex]\begin{gathered} \text{Volume (ml) = }\frac{\text{22 x 16 mg }}{100\text{ mg/ml}} \\ \text{Volume (ml) = }\frac{88}{25}ml \\ \text{Volume = 3.52 ml} \end{gathered}[/tex]

Hence the volume (mls) given to lucy = 3.52 ml

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