Paramedic Med Math (Practice) Questions
With Complete Solutions
The physician orders Lasix 20 mg IV stat for a child weighing 34 lbs. The pediatric handbook states that 1 mg/kg is a safe initial dose. Should you give this dose? correct answer: 34 lbs. X 1kg/2.2 lbs = 15.5 kg
15.5 kg X 1 mg/kg = 15.5 mg
Your medical control orders you to give 25mg of Diphenhydramine to your patient having a mild allergic reaction. It comes packaged as 50mg/1ml in a vial. How many mls do you draw up? correct answer: 50mg/1ml=25mg/xml
50x=25 x=25/50 x=.5ml
Your first dose for a full arrest of Lidocaine calls for 1.5mg/kg. Your patient weights 176 Lbs. Lidocaine comes packaged as 100mg/5ml. How many mls are you giving your patient? correct
answer: 176lbs= 80kg 1.5mg x 80 kg = 120 mg
120mg/xml = 100mg/5ml
120 x 5= 100x 600=100x 600/100 =x x= 6mg
Your second round of Lidocaine for a full arrest calls for .75mg/kg IVP. You are using the same patient from question
#3. How many mls are you giving your patient this time? correct
answer: 176lbs = 80 kg .75mg x 80 kg = 60 mg
60mg/xml = 100mg/5ml
60 x 5 =100x 300=100x 300/100=x x= 3mg Your 75 yom patient is requiring morphine sulfate. Medical control wants you to 5 mg IV. Morphine sulfate comes in a vial 4 mg/ml. How many mls do you need? correct answer: 4mg/1ml = 5mg/xml
4x= 1 x 5 4x=5 x=5/4 x=1.25ml
You need to give 4 mg of Diazepam to your seizing patient. It is packed in as 5 mg/ml. How many mls will you be giving? correct answer: 5mg/1ml = 4mg/xml
5x = 1 x 4 5x=4 x = 4/5 x= .8ml
You need to give Amiodarone to your patient. Per your protocol you take 150mg of Amiodarone and mix it into a 100cc bag of NS. It need to be given over 10 minutes with a mircodrip set. How many drips per minute will you set your drip chamber to? correct answer: 100cc x 60gtts/10min
6000/10 = 600gtts/min
Use that same problem as #7 but change the drip set to a macro drip. How many drips will you need to set your drip chamber to so you can give your drug over 10 minutes? correct answer: 100cc x 10gtts/10min
1000/10min = 100gtts/min (This one is easier to count!)
Your medical control has ordered you to hang a lidocaine drip for your patient. Their orders are for you to give your 154 Lbs. patient 2 mg/mins. You have 2 grams of lidocaine, a 500 ml bag of NS and a microdrip set. How many drips do you need per minute? correct answer: 500ml x 60gtts x 2mg per min/2000mg
30,000 x 2/2000 60,000/2000= 30gtts/min
With Complete Solutions
The physician orders Lasix 20 mg IV stat for a child weighing 34 lbs. The pediatric handbook states that 1 mg/kg is a safe initial dose. Should you give this dose? correct answer: 34 lbs. X 1kg/2.2 lbs = 15.5 kg
15.5 kg X 1 mg/kg = 15.5 mg
Your medical control orders you to give 25mg of Diphenhydramine to your patient having a mild allergic reaction. It comes packaged as 50mg/1ml in a vial. How many mls do you draw up? correct answer: 50mg/1ml=25mg/xml
50x=25 x=25/50 x=.5ml
Your first dose for a full arrest of Lidocaine calls for 1.5mg/kg. Your patient weights 176 Lbs. Lidocaine comes packaged as 100mg/5ml. How many mls are you giving your patient? correct
answer: 176lbs= 80kg 1.5mg x 80 kg = 120 mg
120mg/xml = 100mg/5ml
120 x 5= 100x 600=100x 600/100 =x x= 6mg
Your second round of Lidocaine for a full arrest calls for .75mg/kg IVP. You are using the same patient from question
#3. How many mls are you giving your patient this time? correct
answer: 176lbs = 80 kg .75mg x 80 kg = 60 mg
60mg/xml = 100mg/5ml
60 x 5 =100x 300=100x 300/100=x x= 3mg Your 75 yom patient is requiring morphine sulfate. Medical control wants you to 5 mg IV. Morphine sulfate comes in a vial 4 mg/ml. How many mls do you need? correct answer: 4mg/1ml = 5mg/xml
4x= 1 x 5 4x=5 x=5/4 x=1.25ml
You need to give 4 mg of Diazepam to your seizing patient. It is packed in as 5 mg/ml. How many mls will you be giving? correct answer: 5mg/1ml = 4mg/xml
5x = 1 x 4 5x=4 x = 4/5 x= .8ml
You need to give Amiodarone to your patient. Per your protocol you take 150mg of Amiodarone and mix it into a 100cc bag of NS. It need to be given over 10 minutes with a mircodrip set. How many drips per minute will you set your drip chamber to? correct answer: 100cc x 60gtts/10min
6000/10 = 600gtts/min
Use that same problem as #7 but change the drip set to a macro drip. How many drips will you need to set your drip chamber to so you can give your drug over 10 minutes? correct answer: 100cc x 10gtts/10min
1000/10min = 100gtts/min (This one is easier to count!)
Your medical control has ordered you to hang a lidocaine drip for your patient. Their orders are for you to give your 154 Lbs. patient 2 mg/mins. You have 2 grams of lidocaine, a 500 ml bag of NS and a microdrip set. How many drips do you need per minute? correct answer: 500ml x 60gtts x 2mg per min/2000mg
30,000 x 2/2000 60,000/2000= 30gtts/min
