Question

QUESTION 15.
DRUG CONCENTRATIONS
A woman in hospital receives an injection of penicillin. Her body gradually breaks the penicillin down so
that one hour after the injection only 60% of the penicillin will remain active. This pattern continues: at
the end of each hour only 60% of the penicillin that was present at the end of the previous hour remains
active,
Suppose the woman is given a dose of 300 milligrams of penicillin at 8 o'clock in the morning. Complete
this table showing the amount of penicillin that will remain active in the woman's blood at intervals of
one hour from 0800 until 1100 hours.
Time
0900
1000
1100
0800
300
Pencillin(mg)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

0800 - 300g

0900 - 180g

1000 - 108g

1100 - 64.8g

Step-by-step explanation:-

60% remains after one hour.  

Woman has 300g of penicillin in her body at 0800  

So at 0900, the woman will have 60/100 * 300 = 180g.  

At 1000, the woman will have 60/100 * 180 = 108g  

At 1100, the woman will have 60/100 * 108 = 64.8g

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