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Med Management > Exam 1 - 20th April - Med Calculations > Flashcards

Exam 1 - 20th April - Med Calculations Flashcards

1
Q

How many micrograms are there in 2mg?

A

2000mcg

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2
Q

How many grams in 600mg?

A

0.6g

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3
Q

How many milligrams are in 1.2g?

A

1200mg

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4
Q

Which strength is the weakest: 1 in 100, 1 in 1000 or 1 in 10,000?

A

1 in 10,000 is the weakest

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5
Q

If a patient has a fluid intake of 30ml each hour, how much fluid (in ml) have they had after 12 hours?

A

360ml

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6
Q

A doctor has prescribed 0.25mg of digoxin. You have 125mcg tablets in stock, how many should you give?

A

2 tablets

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7
Q

How many 25mg tablets should be administered for a prescribed dose of 0.05g?

A

2 tablets

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8
Q

Pethidine 100mg in 2ml is available to you. However the patient has been prescribed 75mg. How much do you give in ml?

A

1.5ml

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9
Q

A patient requires 1000mg of paracetamol in liquid form. The stock you have contains 100mg in 5ml. How many ml would you give?

A

50ml

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10
Q

Codeine is available in three strengths as tablets, 5mg, 10mg and 20mg. What is the least number of tablets you can give if the prescrption is a dose of 50mg?

A

3 tablets: 20mg + 20mg + 10mg

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11
Q

13mg of intramuscular morphine is required to be given. You have 5ml in 1ml ampoules. How much would you give?

A

2.6ml

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12
Q

A patient is prescribed an injection of 80mg of pethidine. You have available 100mg in 1ml. How much fluid would you draw up>

A

0.8ml

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13
Q

You have a pethidine injection 100mg in a 2ml solution. The patient is prescribed 75mg. How much do you draw up?

A

1.5ml

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14
Q

The maximum dose of paracetamol is 4g in a 24 hour period. Tablets are 500mg. What is the max number of tablets you can give in 24 hrs?

A

8 tablets

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15
Q

A patient requires 4mg of intramuscular morphine sulphate. You have reconstituted in morphine to make a dose of 10mg in 1ml, How much do you draw up>

A

0.4ml

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16
Q

35mg of codeine is to be given to a patient subcutaneously. You have 50mg in 1ml. How much do you administer?

A

0.7ml

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17
Q

Fentanyl 75mcg is to be given intravenously. You have fentanyl 0.1mg in 1ml available. How much would you draw up?

A

0.75ml

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18
Q

A doctor has prescribed 800mg of erthromycin. You have 500mg in 10ml suspension. How much suspension would you give?

A

16ml

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19
Q

What volume is required for the infection if a patient is prescribed 500mg of capreomycin and all you have in stock is 300mg in 1ml?

A

1.7ml

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20
Q

A patient is prescribed 1000mg of chloramphenicol. The stock in hand contains 250mg in 10ml suspension. How much would you administer?

A

40ml

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21
Q

You are required to give a dose of antibiotic in tablet form. The tablets are available in 25mg. The doctor has prescribed 0.05g. How many tablets do you give?

A

2 tablets

22
Q

A child weighs 12kg and is prescribed an antibiotic at 15mg per kg. If your stock strength is 200mg in 5ml, what volume would you give?

A

4.5ml

23
Q

A patient has received a prescription for erythromycin 250mg tablets. How many tablets are required to complete their seven day course of 500mg four times a day?

A

56 tablets

24
Q

Your patient weighs 95kg. How much gentamycin (80mg/2ml) should you give for a dose of 5mg per kg (maximum 400mg)?

A

10ml

25
Q

You have a bottle of amoxicillin syrup containing 250mg in 5ml. How much do you need to give for 100mg dose?

A

2ml

26
Q

You have a vial of gentamycin containing 80mg in 2ml. How much do you need to administer 300mg?

A

7.5ml

27
Q

You need to give 1 gramme of erythromycin orally. You have erythromycin suspension 250mg in 5ml. How much of the suspensuon do you give?

A

20ml

28
Q

A doctor has prescribed 30mg of prednisolone. You have 5mg tablets on the ward. How many tablets should you give?

A

6 tablets

29
Q

5mg of predisolone is equivalent to 20mg of hydrocortisone. How many 5mg prednisolone tablets is equivalent to a dose of 100mg of hydrocortisone?

A

5 tablets

30
Q

A 3 year old weight 13.5kg and has been prescribed ibuprofen 5mg per kg 3 times daily. Ibuprofen is available as a suspension of 100mg in 5ml. How much should the child receive on each occasion?

A

The nearest accurate dose would be 3.4ml

31
Q

A doctor prescribes a patient nefopam 60mg by IM injection. This drug is available as 20mg in 1ml. How many ml do you give the patient?

A

3ml

32
Q

A patient requires 85mg of cortisone. The stock ampoule is 100mg in 5ml. How much volume is required?

A

The nearest accurate dose would be 4.3ml

33
Q

The doctor prescribes a patient 1g of paracetamol. The tablets come in 500mg. How many tablets will you give?

A

2 tablets

34
Q

A child weighing 30kg is prescribed 80mg per kg per day of paracetamol to be given every six hours. What is the size of each dose?

A

600mg in each dose

35
Q

Methylprednisolone 60mg is to be given by IM injection. Available is a solution of 80mg in 1ml. How much do you draw up?

A

The nearest accurate dose is 0.75ml

36
Q

A qualified nurse on the ward has to prepare hydrocortisone 400mg for IV injection. She has ampoules consisting of solution 250mg in 2ml. How many ml will she draw up for you to check?

A

3.2ml

37
Q

Phenergan 25mg IM is prescribed for a patient. The stock on the ward is 50mg in 1ml. How much fluid do you draw into the syringe?

A

0.5ml

38
Q

Andrea is to receive 750mL of Hartmann’s solution over 5 hours. The intravenous set delivers 20 drops per millilitre. At what rate (in drops per minute) should it drip?

A

50 drops/min

39
Q

Please calculate the number of drops per minute that the following intravenous infusion would deliver if the drip rate of the infusion set is 20 drops per millilitre. 1000mL over 8 hours.

A

42 drops/min

40
Q

Jack is written up for 3mgs of DF118 Elixir. The stock available is 10mg/5ml.

How much do you give?

A

1.5ml

41
Q

Joe who weighs 14 kg is prescribed amoxicillin
25mg/per kg/day,
to be given in equally divided 8 hourly doses

How much will you give per dose?

A

117mg (to nearest whole number)

42
Q

Paul is to have 5. 5 mg of morphine and the stock drug is available in 10mg in 1 ml.

How much do you give?

A

0.55ml

43
Q

Baby Mary is 4.5kg, she is ordered to have IV fluids at a rate of 100ml/kg/day

What rate should the IV pump be set (ml/hour)

A

18.75ml/hr

44
Q

The total volume to be given is 840 ml.
The time over which this is to be given is 10 hours.
The drop factor is 20.

How many drops per minute will be delivered?

A

28 per minute

45
Q

The total volume to be given is 960 ml.
The time over which this is to be given is 24 hours.
The drop factor is 15.

How many drops per minute will be delivered

A

10 per minute

46
Q

The total volume to be given is 60 ml.
The time over which this is to be given is 2 hours.
The drop factor is 60.

How many drops per minute will be delivered?

A

30 per minute

47
Q

The total volume to be given is 1200 ml.
The time over which this is to be given is 8 hours.
The drop factor is 60.

How many drops per minute will be delivered?

A

150 per minute

48
Q

The total volume to be given is 30 ml.
The time over which this is to be given is 30 minutes.
The drop factor is 15.

How many drops per minute will be delivered?

A

15 per minute

49
Q

The total volume to be given is 900 ml.
The time over which this is to be given is 4 hours.
The drop factor is 20.

How many drops per minute will be delivered?

A

75 per minute

50
Q

The total volume to be given is 960 ml.
The time over which this is to be given is 16 hours.
The drop factor is 20.

How many drops per minute will be delivered?

A

20 per minute

51
Q

The total volume to be given is 90 ml.
The time over which this is to be given is 45 minutes.
The drop factor is 20.

How many drops per minute will be delivered?

A

40 per minute

Med Management (2 decks)

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