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anesthesia > injectable anesthetic > Flashcards

injectable anesthetic Flashcards

1
Q

How soon are IV effects seen

A

30-60 sec

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2
Q

what route has rapid uptake

A

IV

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3
Q

Most ideal characteristic of inj. Anesthetics

A

Rapid metabolism

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4
Q

When should inj. Anesthetic be given to effect

A

Whenever possible

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5
Q

Are barbiturates controlled

A

Yes

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6
Q

what are barbiturates derivatives of

A

barbituric acid

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7
Q

What is lipid solubility also known as

A

Partition coefficient

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8
Q

How much of a barbiturate is given as a bolus

A

Half; the rest is given to effect

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9
Q

What are concentrated solutions of barbiturates used as

A

Euthanasia

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10
Q

What is the reversal agent of barbiturates

A

There is none

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11
Q

What is a side effect of barbiturates

A

pain or excitement

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12
Q

What causes tissue irritation

A

Strongly alkaline barbiturates

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13
Q

What happens when barbiturates are given perivascularly

A

Skin sloughing

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14
Q

how many mg/ml is a 2.5 sol’n of pentothal

A

25mg/ml

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15
Q

What category is described as dissoriative drugs

A

Cyclohexamines

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16
Q

what is thiopental (pentothal) classified as

A

ultra short acting

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17
Q

why is methohexital ok for use on sighthounds

A

fast liver metabolism

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18
Q

What are the reversal agents of cyclohexamines

A

None

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19
Q

What are the most common side effects of cyclohexamines

A

Blinking and swallowing and muscle rigidity

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20
Q

Where are cyclohexamines eliminated and excreted

A

Liver then renal

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21
Q

what happens with high doses of cyclohexamines

A

seizures

22
Q

What drug is least likely to cause hypotension

A

Cyclohexamines

23
Q

Define apneustic respiration and what is it linked with

A

Breath holding; cyclohexamines

24
Q

What has low cardiovascular toxicity

A

Local anesthesia

25
Q

Are local anesthetics controlled

A

No

26
Q

What do local anesthetics prevent

A

Depolarization of nerve cells

27
Q

T or F: local anesthetics are readily absorbed through the skin

A

false

28
Q

How are local anesthetics reversed

A

Increased blood flow

29
Q

How is local anesthetic action prolonged

A

Combining with a vasoconstrictor

30
Q

what do local anesthetics interfere with

A

transmission of electrical impulses

31
Q

Where is an epidural injection given

A

Between L-7 and sacrum in dogs

32
Q

what is a primary diadvantage of epidural anesthesia

A

pt. movement

33
Q

what produces excellent caudal analgesia

A

epidual locals

34
Q

do regional anesthetics cross the blood brain barrier

A

no

35
Q

what has no tranquilizing, analgesic, or anesthetic properties

A

neuromuscular blocking agents

36
Q

what is the last muscle paralyzed with NBA’s

A

diaphragm

36
Q

what is ketamine used in

A

cats and non-human primates

37
Q

what is an NBA classified as

A

non-analgesic

37
Q

what is telazol

A

tiletamine with zolazepam

38
Q

what is propofol

A

ultra-short acting nonbarbiturate

39
Q

how is propofol effective

A

IV only

40
Q

what is propofol known for

A

rapid and smooth recovery, no analgesic effects

41
Q

what is a hypotensive potentiat

A

propofol

42
Q

is propofol controlled

A

no

43
Q

etomidate aka

A

amidate

44
Q

when is etomidate the induction agent of choice

A

cardiovascular inpaired/high risk pts.

45
Q

what is guaifenesin

A

non-controlled muscle relaxant used in large animals

46
Q

what cocal has the longest duration of action

A

bupivicaine (4-6 hrs)

47
Q

non-depolarizing or competitive agent

A

pancuronium

48
Q

what is pancuronium

A

ACE inhibitor

48
Q

non-depolarizing or competitive agent

A

pancuronium

49
Q

what is pancuronium

A

ACE inhibitor

anesthesia (12 decks)

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