問題一覧
1
The time at which a nerve can no longer accept electrolyte transfer or stimulation is best referred to as which of the following?
Refractory period
2
Which of the following describes the moment at which a nerve cannot receive further electrolyte transfer?
The refractory period
3
Which of the following is imperative for muscle contraction?
Calcium
4
Acetylcholine is broken down by which of the following?
Acetylcholinesterase
5
For which of the following reasons would you not administer an NMBA?
Increased spontaneous breathing
6
MBAs can be effective with a mechanically ventilated patient because the agents: I.Reduce spontaneous breathing II.Prevent movement that could dislodge tubes III.Increase oxygen consumption IV.Improve patient-ventilator synchrony
I, II, & IV
7
What is the end result of the mechanism of action of acetylcholinesterase?
End muscle contraction
8
Which of the following is a depolarizing NMBA?
Anectine
9
What is the process called when an impulse travels down a nerve fiber?
Action potential
10
Which of the following can be administered to reverse the effects of a nondepolarizing agent? I.Neostigmine II.Pyridostigmine III.Cholinesterase inhibitors IV.Cholinesterase
I, II, & III
11
Nondepolarizing agents are competitive antagonist medications. How does a nondepolarizing agent achieve paralysis?
It prevents acetylcholine from attaching to a receptor.
12
Which of the following agents can be used to reverse a neuromuscular blockade? I.Succinylcholine II.Neostigmine III.Pyridostigmine
II & III
13
A patient has just undergone RSI with the facilitation of the administration of Anectine®. The patient is still paralyzed 45 minutes after the original administration. Which of the following best explains this scenario?
The patient more than likely has a lack of pseudocholinesterase, which has increased the half-life of the administered medication.
14
What is the mechanism of action by which a depolarizing agent works? I.Bind to ACh receptor to initiate massive repolarization of the muscle. II.Bind to Ach receptor to initiate massive depolarization of the muscle III.Prolong the refractory period
II & III
15
Which of the following will allow for the assessment of successful paralysis?
Lab testing for a deficiency of psuedocholinesterase
16
You have been called to perform rapid-sequence intubation. Which of the following medications will you likely request to conduct the procedure?
Succinylcholine
17
Which of the following results in massive depolarization of the muscle when administered?
Succinylcholine
18
All of the following are nondepolarizing NMBAs except:
Succinylcholine
19
Which of the following is not a nondepolarizing agent?
Anectine
20
Which of the following is a skeletal muscle relaxant?
Robaxin
21
Of the following, which is not a central-acting muscle relaxant?
Dantrium
22
Which of the following medications is not a benzodiazepine?
Flexeril
23
Which of the following can be used to treat malignant hyperthermia?
Dantrolene
24
Which of the following poses the least threat of losing airway reflexes?
Rozerem
25
Sleep can be induced with which of the following medications?
Hypnotic
26
A patient has overdosed on Valium®. Which of the following medications could be given as a reversal agent?
Flumazenil
27
Which of the following is not true concerning the administration of precedex?
Precedex has a high incidence of causing hypertension.
28
Which medication is not likely to be administered for sedation in the ICU due to its long half-life?
Phenobarbital
29
The mixture of medications such as midazolam and fentanyl could also be referred to as:
Cocktail
30
Which of the following factors determine(s) the type of anesthetic medication a patient receives? I.Patient age II.Eye color III.Drug allergy or sensitivity
I & III
31
Respiratory complications of inhaled anesthetics do not include:
An increased ventilatory response to falling O2 levels
32
Which of the following refers to the inability to perceive sensations?
Anesthesia
33
Conscious sedation is achieved in which stage of anesthesia?
Stage 1
34
If you were asked to administer an inhaled anesthetic agent from the following list, which would you choose?
Isoflurane
35
Which of the following refers to lack of ability to feel sensations in a localized area?
Local anesthesia
36
Individuals are usually treated with which of the following local anesthetics prior to bronchoscopy?
Lidocaine
37
Local anesthetic medications are grouped chemically into which of the following types? I.Caine II.Amide III.Ester
II & III
38
All of the following agents might be given to help reduce PONV except:
Nitrous oxide
39
You have been asked to administer an antimuscarinic PONV medication. Which of the following would you select?
Phenergan
40
What does analgesia mean?
Inability to perceive pain
41
There are four types of nociceptors. These different receptors sense which of the following? I.Pain II.Temperature III.Pressure IV.Elastic
I, II, & III
42
Which of the following conditions is most likely to cause someone to become addicted to opioids?
For malignant pain
43
Side effects of opioid analgesics include which of the following? I.Hallucinations II.Seizures III.Respiratory stimulation
I & II
44
Which of the following statements is false concerning opioids?
Respiratory depression is not a side effect of opioids.
45
Which of the following agents is used to reverse an opioid overdose? I.Naloxone II.Narcan® III.Flumazenil IVRomazicon
I or II
46
Opioids can be antagonized with which of the following medications?
Naloxone
47
Which of the following types of analgesics blocks the arachidonic acid cascade, resulting in decreased production of leukotrienes and prostaglandins?
Corticosteroids
48
Which of the following are considered NSAIDs? I.Aspirin II.Ibuprofen III.Celebrex® IV.Ipratropium bromide
I, II, & III
49
Codeine and Tylenol are examples of which of the following?
Synergism
50
What medication must be mixed with acetaminophen to created Vicodin?
Hydrocodone
51
The traveling of an impulse down a never fiber is called Action potential.
True
52
Acetylcholine neurotransmitters are chemically broken down by acetylcholinesterase.
True
53
Neostigmine or pyridostigmine are medications that could be administered to reverse the effects of the administration of a nondepolarizing agent.
True
54
Agents that bind with the ACh receptor to cause massive depolarization are called Depolarizing agent.
True
55
Succinylcholine is often used for rapid sequence intubation.
True
56
Sleep is caused by Hypnotics.
True
57
CNS arousal can be reduced with the administration of Sedatives.
True
58
Flumazenil or Romazicon can be given to reverse the effects of an overdose of benzodiazepine drugs.
True
59
The absence of sensation is best described by Anesthesia.
True
60
Naloxone or Narcan can be given to reverse the effects of an opioid overdose.
True
61
An action potential is the traveling of an impulse down a nerve fiber.
True
62
The skeletal muscle is referred to as the motor end plate.
False
63
A nerve fiber must depolarize before it can repolarize.
True
64
Acetylcholine is broken down by acetylcholinesterase.
True
65
Acetylcholine causes muscle relaxation.
False
66
NMBAs can be used to reduce spontaneous breathing.
True
67
Reducing oxygen consumption is a goal in the use of NMBAs.
True
68
The normal function of acetylcholine is blocked by the administration of nondepolarizing agents.
True
69
Pavulon is a nondepolarizing agent.
True
70
Cholinesterase inhibitors can be used to reverse nondepolarizing NMBAs.
True
71
Nondepolarizing agents are considered to be competitive agonists.
False
72
Muscle contraction is prevented after administration of a nondepolarizing agent, which results in paralysis.
True
73
Neostigmine is a cholinergic medication.
False
74
When a patient is administered a depolarizing agent, that medication sends the muscle into a prolonged refractory period.
True
75
Succinylcholine is a depolarizing agent.
True
76
Depolarizing agents cannot be reversed pharmaceutically.
True
77
Pseudocholinesterase is responsible for the metabolism of depolarizing agents.
True
78
Succinylcholine should not be used to facilitate intubation.
False
79
Age is of consideration when selecting an NMBA.
True
80
Malignant hyperthermia can be treated with dantrolene (Dantrium®).
True
81
Skeletal muscle relaxants are only offered as central-acting muscle relaxants.
False
82
Sedatives stimulate CNS arousal.
False
83
Anxiolytic medications increase anxiety.
False
84
Benzodiazepine medications can be reversed with Romazicon.
True
85
Opioid overdose can be reversed with naloxone.
True