verified CORRECT detailed Answers latest
update 2025
Muscles not affected by NMBs (4) --- correct answer ---1. Cardiac muscle
Smooth muscle:
2. Bronchi (can't treat bronchospasm with NMBs)
3. Uterus
4. GI/bowels
Peripheral nerve stimulator should be at least ___ mA --- correct answer ---
30
Sequence of muscle recovery from NMB --- correct answer ---1. Diaphragm
2. Abdominal muscles
3. Chest (upward)
4. Extremities
5. Eyelids
*6. Protective muscles reflexes of pharynx
,1/4 Train of Four will take ___ minutes for recovery --- correct answer ---30
minutes
2-3/4 Train of Four will take ___ minutes for recovery --- correct answer ---
4-15 minutes (intermediate acting relaxant)
30 minutes (Pancuronium)
4/4 Train of Four will take ___ minutes for recovery --- correct answer ---5
minutes with Neostigmate
2-3 minutes with Edrophonium
0/4 TOF responses = ___% blockade --- correct answer ---100%
1/4 TOF responses = ___% blockade --- correct answer ---90% (ideal for
surgery)
2/4 TOF responses = ___% blockade --- correct answer ---80-85%
3/4 TOF responses = ___% blockade --- correct answer ---75-80%
4/4 (with fade) TOF responses = ___% blockade
(TOF ratio <.9) --- correct answer ---70-75%
, 4/4 (without fade) TOF responses = ___% blockade
(TOF ratio >.9) --- correct answer ---≤70%
Most reliable tests of 50% or more NMB reversed (4) --- correct answer ---
1. Head lift (standard)
2. Hand grip
3. Sustained bite
4. Diplopia (most reliable)
Non-specific esterases --- correct answer ---Paraoxonase
Albumin esterase
Cholinesterases (2) --- correct answer ---Enzyme; Hydrolyzes choline esters
faster than other esterases
1. Acteylcholinesterase (AChE)
2. Pseudo-cholinesterase (PChE)
Lab test for Atypical Pseudocholinesterase --- correct answer ---Dibucaine
inhibition test
Dibucaine number indicating Usual Cholinesterase --- correct answer ---80