Nitrous

Question 0

What percentage of nitrous is in the liquid form in a full cylinder?

Answer 0

30%

Question 1

What is the only inorganic anesthetic agent?

Answer 1

Nitrous

Question 2

What is the most dangerous impurity in nitrous?

Answer 2

NitriC oxide

Question 3

What is the metabolism rate of nitrous?

Answer 3

0.004%

Like James Bond 007

Question 4

Nitrous blood gas partition coefficient

Answer 4

0.46

Question 5

10% nitrous has the analgesic equivalence of 7.5 mg of __

Answer 5

Morphine

Question 6

Nitrous has __ skeletal muscle relaxation

Answer 6

Poor

Question 7

Diffusion hypoxia can occur with __ discontinuation of nitrous

Answer 7

Abrubr

Question 8

If you see ANY diffusion hypoxia question, just __

Answer 8

Give oxygen

Question 9

Outpouring of nitrous from blood to alveoli is greatest during the first __ to __ minutes

Answer 9

1-5

Question 10

Second gas effect occurs from a __ effect and augmentation of __ gas flow

Answer 10

Concentrating effect

Tracheal gas flow

Question 11

Concentration effect says that the greater the concentration of delivered anesthetic, the __ anesthesia is obtained. The larger the initial dose, the __ the onset of action.

Answer 11

Faster

Gaster

Question 12

The second gas effect is when a large concentration of a first gas is taken up it __ the second gas

Answer 12

Concentrates

Question 13

Nitrous is the __ metabolized inhalation anesthetic

Answer 13

Least

Question 14

The metabolism of nitrous is in the GI tract by ANaerobic bacteria like pseudomonas, if the GI tract has greater than 10% oxygen, __

Answer 14

there will be NO metabkism

Question 15

Nitrous is the only anesthetic that can oxidize vitamin __

Answer 15

B12

Question 16

Nitrous can inactivate the enzyme methionine synthase which regulates __ and __ acid metabolism

Answer 16

B12

Folic acid

Question 17

Patients on 50/50 nitrous for 2.5 hours have their __ synthase inactivated

Answer 17

Methionine

Question 18

Nitrous produces analgesia via opioid like neurons in the periaqueductal grey matter of the brain stem, which project to the __

Answer 18

Dorsal horn of the spinal cord where they act through alpha-2b adrenergic receptors inhibiting nociception.

Question 19

In short, nitrous provides analgesia by inhibition of the __

Answer 19

Dorsal horn nociceptive neurons

Question 20

CNS saturation by nitrous occurs by displacing nitrogen and usually occurs within __

Answer 20

3-5 minutes

Question 21

The vessel rich group receives __ amounts of nitrous

Answer 21

greater

Question 22

When monitoring evoked potentials, __

Answer 22

Don’t give more than 50%

Question 23

Nitrous can either give you no change or __ blood pressure

Answer 23

Increase

Question 24

Nitrous and pulm hypertension?

Answer 24

NO

Question 25

Nitrous and congenital heart disease with right to left shunt?

Answer 25

NO

Question 26

Left to right shunt?

Answer 26

Yes

Question 27

Nitrous is like breathing __, __

Answer 27

butter, not an airway irritant

Question 28

Nitrous __ FRC

Answer 28

decreases

Question 29

Nitrous can __ pulm vascular resistance

Answer 29

Raise

Question 30

In high doses, nitrous may produce skeletal muscle __

Answer 30

Rigidity

Question 31

Nitrous is a __ trigger agent for MH

Answer 31

Weak

Question 32

Nitrous will not hasten emergence with __

Answer 32

Des

Question 33

What is the MAC of nitrous?

Answer 33

104%

Question 34

Nitrous has a molecular weight of __

Answer 34

44

Question 35

Nitrous has __ preservative

Answer 35

No

Question 36

Nitrous has __ potency and __ blood solubility.

Answer 36

Low | Low

Question 37

80% nitrous causes h_, h_, and b_

Answer 37

hypoxia, hallucinations, bizarre dreams

Question 38

65%= __

Answer 38

Excitement stage

Question 39

35% provides __

Answer 39

The perfect mix, profound analgesia and patient cooperation

Question 40

Nitrous and EEG, slower __, higher __

Answer 40

Slower frequency | Higher voltage

Question 41

Should you use nitrous when there is a potential for hypoxia?

Answer 41

NO

Question 42

Should you use nitrous for muscle relaxation?

Answer 42

NO

Question 43

Should you use nitrous for a pneumothorax?

Answer 43

NO

Question 44

Should you use nitrous for PONV?

Answer 44

NO

Question 45

Should you use nitrous for cases with potential for air emboli like cardiac and vascular?

Answer 45

NO

Question 46

Should you use nitrous for laparoscopic cases?

Answer 46

NO

Question 47

Nitrous has a __ ability to lessen the body's ability to fight infection

Answer 47

Minimal

Question 48

Is nitrous associated with hepatotoxicy, decreased liver perfusion, or decreased hepatic drug metabolism?

Answer 48

NO

Question 49

Is nitrous associated with fluoride induced nephrotoxicity?

Answer 49

NO

Question 50

Is nitrous implicated with coronary steal?

Answer 50

NO

Question 51

How does nitrous increase CVP?

Answer 51

Increases pulmonary vascular resistance.

Question 52

Does nitrous induce seizures? Does it suppress seizures like iso/sevo/des?

Answer 52

NO | NO