Exam 3 MAC Values

Question 1

Nitrous Oxide
What is the 1 Mac Value?
What is the 1.3 Mac Value?

Answer 1

1 MAC:104
1.3 MAC: 135.2

Question 2

Halothane (Fluothane)
What is the 1 Mac Value?
What is the 1.3 Mac Value?

Answer 2

1 MAC: 0.75
1.3 MAC: 0.975

Question 3

Enflurane (Ethrane)
What is the 1 Mac Value?
What is the 1.3 Mac Value?

Answer 3

1 MAC: 1.63
1.3 MAC: 2.119

Question 4

Isoflurane (Forane)
What is the 1 Mac Value?
What is the 1.3 Mac Value?

Answer 4

1 MAC: 1.17
1.3 MAC: 1.521

Question 5

Desflurane (Suprane)
What is the 1 Mac Value?
What is the 1.3 Mac Value?

Answer 5

1 MAC: 6.6
1.3 MAC: 8.58

Question 6

Sevoflurane (Ultane)
What is the 1 Mac Value?
What is the 1.3 Mac Value?

Answer 6

1 MAC: 1.8
1.3 MAC: 2.34

Question 7

If you have a 10 yr old patient, how much would you increase your MAC by?

Answer 7

12%

6% Increase per decade younger than 30

2x6%=12%

Question 8

If you have a 20 yr old patient, how much would you increase your MAC by?

Answer 8

6%

6% Increase per decade younger than 30

1x6%=6%

Question 9

If you have a 30 yr old patient, how much would you increase your MAC by?

Answer 9

Trick Question

You dont

Question 10

If you have a 40 yr old patient, how much would you increase your MAC by?

Answer 10

Trick Question

You dont

Question 11

If you have a 50 yr old patient, how much would you increase your MAC by?

Answer 11

Trick Question

You Dont

Question 12

If you have a 1 yr old patient, how much would you increase your MAC by?

Answer 12

18%

6% Increase per decade younger than 30

3x6%=18%

Question 13

If you have a 60 yr old patient, how much would you decrease your MAC by?

Answer 13

6 %

6% decrease per decade older than 50

1x6%=6%

Question 14

If you have a 70 yr old patient, how much would you decrease your MAC by?

Answer 14

12%

6% decrease per decade older than 50

2x6%=6%

Question 15

If you have a 80 yr old patient, how much would you decrease your MAC by?

Answer 15

18%

6% decrease per decade older than 50

3x6%=18

Question 16

If you have a 90 yr old patient, how much would you decrease your MAC by?

Answer 16

24%

6% decrease per decade older than 50

4x6%=24%

Question 17

If you have a 100 yr old patient, how much would you decrease your MAC by?

Answer 17

NOT A SERIOUS CARD
NONE
They’re already 6% underground ☠️

Question 18

What are 1 MAC Values based of?

Age Range? Celsius? ATM/Torr?

Answer 18

Age: 30-55 y/o
Temperature: 37 C
ATM/Torr: 1 ATM/760 Torr

Question 19

Define MAC
What is another name for MAC?

Answer 19

Minimum Alveolar Concentration
The concentration at 1 atm that prevents skeletal muscle movement in response to supramaximal, painful stimulation in 50% of patients.
ED50

Question 20

What occurs at 1.3 MAC?
What is another name for MAC?

Answer 20

The concentration at 1 atm that prevents skeletal muscle movement in response to supramaximal, painful stimulation in 99% of patients.
ED99

98-99%

Question 21

What is MACawake?
What is the value range for MACawake?

Answer 21

It is the MAC range in which patient who have had their volatile anesthetic shut off and are able to open eyes in response to physical or verbal stimuli.
0.3-0.5 MAC

Question 22

What is MACbar?
What is the value range for MACbar?

Answer 22

It is the MAC range that results in complete blunting of autonomic reflexes. Pt is unable to compensate to deviations from homeostasis.
1.7-2.0 MAC