Medical Calculations

Question 73

The suggested oxygen flow rate for a circle rebreathing system is 25 to 50 mL/kg/min and 130 to 300 mL/kg/min for a nonrebreathing system. What is the most appropriate flow setting for a 10-lb cat?
a.0.3 L/min
b.900 mL/min
c.3 L/min
d.0.9 mL/min

Question 74

Using the same suggested oxygen flow rates as in the previous question, what is the most appropriate oxygen flow rate for a 32-lb spaniel?
a.8 L
b.1.6 L
c.435 mL
d.0.435 mL

Question 75

You have just administered an injection of 0.02 mL of acepromazine (10 mg/mL). How many mg did you give?
a.2 mg
b.0.2 mg
c.20 mg
d.200 mg

Question 76

You have just administered one tablet of 64.8 mg of phenobarbital. How many grains of drug did you deliver?
a.0.25 gr
b.0.5 gr
c.0.6 gr
d.1 gr

Question 77

A 0.25 gr (grain) of phenobarbital is how many mg?
a.15.2 mg
b.14 mg
c.16.2 mg
d.32.4 mg

Question 78

The doctor asks you to fill oral metronidazole, 10 mg/kg po BID for 7 days. The dog weighs 37.5 kg and you have 250 mg tablets available in the hospital. How many tablets do you fill?
a.7 tablets
b.14 tablets
c.21 tablets
d.42 tablets

Question 79

2% lidocaine is prescribed for a 13-lb beagle at a dose of 2 mg/kg IV. How many mL will you deliver?
a.1.6 mL
b.0.16 mL
c.0.6 mL
d.6 mL

Question 80

You just administered 1.2 mL of penicillin (300,000 U/mL). How many units did you administer?
a.260,000 U
b.360,000 U
c.360 U
d.0.26 U

Question 81

What unit of measure is most commonly used for serum potassium?
a.French
b.mEq
c.International units (IU)
d.German

Answer 81

b

Question 82

Your patient is a 42-lb shepherd mix with a history of vomiting. The order reads: metoclopramide HCl (5 mg/mL); give 0.3 mg/kg IM q6h prn. How many mL will you deliver?
a.8 mL
b.1 mL
c.5 mL
d.2 mL

Answer 82

b