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NUR259 - 2016 > Med Calculations > Flashcards

Med Calculations Flashcards

1
Q

A 3 year old child who weighs 16kg is prescribed 200mg of oral Flucloxacillin, the correct dose is 12.5mg/kg. Is this the correct dose?

A

Yes

12.5mgx16kg=200mg

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2
Q

The strength of Flucloxacillin you have in stock is 125mg in 5mls. How many mls will you give if you need 200mg?

A

8mls

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3
Q

How many mis should a 22kg child be prescribed of the Flucloxacillin if the dose is 12.5mg/kg?

A

275mg

12.5mg x 22kg= 275mg

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4
Q

If the stock is 125mg in 5mls. How many mls would you give if you needed 275ml?

A

275/125=2.2 x 5= 11ml

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5
Q

A 28kg child is prescribed 8.3mg of oxycodone. The correct prescription is 0.1-0.2mg/kg. Is this the correct dose and if not what is the correct dose?

A

No.

  1. 1 mg x 28kg = 2.8mg
  2. 2mg x 28kg = 5.6mg
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6
Q

A 6 year old who has giardia and weighs 26kg has been prescribed 780mg of oral metronidazole. The correct prescription is 30mg/kg. Is this the correct dose?

A

Yes

30mg x 26kg = 780mg

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7
Q

The strength we have in stock is 500mg in 5mls, how much will you need to give if you require 780mg?

A

7.8ml

Every 100mg is 1ml, therefore you would need 7.8ml

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8
Q

A child is prescribed 360mg of oral paracetamol. They weigh the child who is 24kg. The bottle in stock is 100mg/1ml. How much would you give?

A

3.6ml

360/100 = 3.6ml

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9
Q

A child is prescribed 360mg of oral paracetamol. They weigh the child who is 24kg. The bottle in stock is 120mg/5ml. How much would you give?

A

15ml
360/120 = 3
3 x 5 = 15ml

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10
Q

A 30kg child has been prescribed 450mg of IV Vancomycin 6 hourly. The recommended dose is 10-15mg/kg depending on the severity of infection. Is this the correct dose?

A

Yes

450/30=15mg

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11
Q

The IV has been removed and the child has now been prescribed 300mg of oral vancomycin every 6 hours. The recommended dose it 5-10mg/kg. Is this the correct dose?

A

Yes

300/30=10mg

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12
Q

The strength of vancomycin the pharmacy has in stock is 200mg in 5mls. How many LMS will the child need for a 300mg dose?

A

7.5mls
300/200= 1.5
1.5 x 5 = 7.5ml

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13
Q

A 2.9kg ventilated neonate is prescribed 0.29mg of IV clonazepam. Recommended strength is 0.1-0.25mg/kg. Is this the correct dose?

A

Yes

0.1 x 2.9 = 0.29mg

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14
Q

a child has presented to ED with anaphylaxis. Weight is 27kg. Dose of adrenalin to be given is 0.01mg/kg IM. How much should the child be given?

A
  1. 27mg

0. 01 x 27 = 0.27mg

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15
Q

The recommended daily dose of IV gentamicin is 7.5mg/kg. How much would a 22kg child be given?

A

165mg

7.5 x 22 = 165mg

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16
Q

The strength the we have in stock is 80mg in 2ml. How many mis of gentamicin should the child be given? (You need165mg)

A

4.1ml
165 / 80 = 2.0625
2.0625 x 2 = 4.125 = 4.1ml

17
Q

A child has been prescribed 195mg of paracetamol PRN. The recommended dose is 10-15mg/kg. Is this correct?

A

Yes

15 x 13 = 195mg

18
Q

The strength of panadol in stock is 250mg in 5 LMS. How many mis would you have to give for a 195mg dose?

A

3.9ml
250/5 = 50
195/50=3.9ml

19
Q

The other strength of panadol you have in stock is 100mg per 1ml. How many mis would give is you use this strength?

A

1.95ml

195/100 = 1.95ml

20
Q

A 19kg child has been prescribed paracetamol. The oral dose for a child is 15mg/kg. What is the correct dose that should be prescribed?

A

285mg

15 x 19 = 285mg

21
Q

A child has been prescribed 1gm of centric one. the recommended dose is 50mg/kg. The max a child should have is 1gm. Is this the correct dose?

A

No, this exceeds the dose recommended.

50 x 25 = 1250mg

22
Q

A child is correctly prescribed Odansetron. 1.2mg via the Intravenous route. The available vials state Odansetron 4mg in 2ml. To administer the correct dose, what volume will you administer?

A
  1. 6ml
  2. 2/4=0.3
  3. 3 x 2= 0.6ml
23
Q

A 10kg child is prescribed 200mg of nurofen. The correct dose is 7.5-10mg/kg. Is this the correct dose?

A

No, the correct dose would be 75mg-100mg of nurofen.

24
Q

A child weighs 25kg, they have been charted the correct ibuprofen dose at 250mg. It comes in a syrup form, with the bottle reading “Ibuprofen 100mg in 5 ml” what volume would you administer?

A

12.5mls
250/100 =2.5
2.5 x 5 = 12.5ml

25
Q

A child weighs 32kg and has been prescribed 320mg. It comes in a syrup form, with the bottle reading “Ibuprofen 100mg in 5 ml” what volume would you administer?

A

16ml
320 / 100=3.2
3.2 x 5 = 16ml

26
Q

A child is correctly prescribed 235mg of oral Amoxycillin. This is available is syrup form, the bottle reads “125mg in 5ml” what volume will you give?

A

9.4ml
235/125=1.88
1.88x5=9.4ml

27
Q

An infant weighing 5kg is ordered maintenance IV fluids of 120ml/kg/day of 2.5%Dextrose and 0.45%N/Saline.
Calculate the fluid volume required for 24 hours?

A

600ml

120ml x 5kg= 600ml

28
Q

An infant weighing 5kg is ordered maintenance IV fluids of 120ml/kg/day of 2.5%Dextrose and 0.45%N/Saline.
At what hourly rate would you administer this IV fluid?

A

25ml/hr
120x5=600
600/24=25ml/hr

29
Q

Amoxycillin syrup 100mg is prescribed. Stock is 125mg in 5mL.
How many mL will be administered?

A

4ml
125/5=25mg in 1ml
25x4=100mg in 4ml

30
Q

A child weighing 15kg is ordered oral Prednisolone 15mg daily for 3 days. Prednisolone syrup strength is 25mg/5ml.
What volume will you administer for each dose?

A

3ml
25/5=5mg in 1ml
5x3=15mg in 3ml

31
Q

Calculate the size of a single dose of oral Cephalexin for a 21kg child if the required dosage is 10mg/kg/dose.
How much should be given?

A

21kg x 10mg = 210mg

32
Q

If a child is receiving 1200ml of IVT over 24 hours, what is the hourly rate?

A

50ml/hr

1200/24=50ml/hr

33
Q

Calculate the size of a single dose of Flucloxacillin (oral) for a 15kg child if the required dosage is 12.5mh/kg/dose.
How much should be given in a single dose?

A
  1. 5mg

12. 5 x 15 = 187.5mg

34
Q

You go to the medication cupboard. As Peter can’t swallow tablets, you find the Panadol Syrup
The label reads “Paracetamol 250mg/5ml”
How many Mls are you going to draw up for the dose of 330mg?

A

6.6mL

NUR259 - 2016 (13 decks)

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