Question 1

What is the formula for converting the maximum number of cartridges to milliliters?

Accepted Answer

The answer of What is the formula for converting the...

Question 2

What is the formula for calculating the milligrams of anesthetic drug in 1 mL of the selected anesthetic?

Accepted Answer

The answer of What is the formula for calculating the...

Question 3

What is the MRD of 1:100,000 epinephrine per appointment for a healthy patient?

Accepted Answer

A)  1.0 mg 
B)  0.2 mg 
C)  0.04 mg 
D)  0.2 mg.

Question 4

What is the formula for calculating the healthy patient's MRD in mg?

Accepted Answer

The answer of What is the formula for calculating the...

Question 5

How much solution does the standard local anesthetic cartridge contain?

Accepted Answer

A)  1.6 mL 
B)  1.7 mL 
C)  1.8 mL 
D)  2 mL

Question 6

Using the information from the previous question,how many additional cartridges of 3% mepivacaine can the patient receive?

Accepted Answer

A)  0 cartridges of 3% mepivacaine; a different local anesthetic should be selected 
B)  1.8 additional cartridges of 3% mepivacaine 
C)  6.4 additional cartridges of 3% mepivacaine 
D)  2.4 additional cartridges of 3% mepivacaine

Question 7

Using the MRD from the previous question,how many cartridges of mepivacaine can this 130-lb female receive?

Accepted Answer

A)  7.2 cartridges 
B)  7.6 cartridges 
C)  8.3 cartridges 
D)  15.8 cartridges

Question 8

What is the MRD for epinephrine for a compromised patient?

Accepted Answer

A)  0.04 mg per appointment 
B)  0.04 mg per quadrant of scaling 
C)  0.2 mg per appointment 
D)  0.2 mg per tooth to be restored

Question 9

What is the MRD of mepivacaine for a 130-lb female patient?

Accepted Answer

A)  260 mg of mepivacaine 
B)  275 mg of mepivacaine 
C)  300 mg of mepivacaine 
D)  572 mg of mepivacaine

Question 10

What is the formula for calculating how many milligrams of anesthetic solution were administered?

Accepted Answer

A)  Subtract the MRD from the absolute MRD. 
B)  Multiple the percent concentration of local anesthetic agent by 10 mg. 
C)  Multiple the number of cartridges administered by the milligrams of anesthetic in each cartridge. 
D)  Multiple the milligrams of anesthetic in each cartridge by the patient's weight.

Question 11

If an anesthetic contains a vasoconstrictor,how is the maximum recommended dose determined?

Accepted Answer

A)  The vasoconstrictor is always the limiting factor. 
B)  The anesthetic is always the limiting factor. 
C)  Whichever of the drugs reaches its MRD first is the limiting factor. 
D)  It is determined by the weight of the patient.

Question 12

What is the MRD for articaine for a 115-pound patient?

Accepted Answer

A)  352 mg/lb 
B)  297 mg/lb 
C)  230 mg/lb 
D)  69 mg/lb

Question 13

What does the MRD depend on?

Accepted Answer

A)  The patient's weight 
B)  The patient's health 
C)  Whether the anesthetic contains a vasoconstrictor or not 
D)  All of the above

Exam 8: Determining Drug Doses