Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Quarter 4 > Regional > Flashcards

Regional Flashcards

1
Q

A 40-year-old man who is scheduled to undergo repair of a tendon laceration of the left hand has complete anesthesia in the median, radial, and ulnar nerve distributions after supraclavicular block. Two hours of tourniquet inflation are required for completion of the procedure. The most appropriate next step is an additional block of which of the following?

(A) Axillary nerve

(B) Intercostobrachial nerve

(C) Lateral antebrachial cutaneous nerve

(D) Musculocutaneous nerve

(E) Stellate ganglion

A

Intercostobrachial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A 65-year-old woman has respiratory distress and loss of consciousness immediately following superficial and deep cervical plexus block for right carotid endarterectomy. Which of the following is the most likely cause?

(A) Phrenic nerve paralysis

(B) Pneumothorax

(C) Recurrent laryngeal nerve block

(D) Subarachnoid injection

(E) Vertebral artery injection

A

Subarachnoid Injection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A 70-year-old man with stable angina is scheduled for cataract removal with a retrobulbar block. After injection of 5 ml of 0.75% bupivacaine, heart rate decreases from 90 to 55 bpm, and frequent premature ventricular contractions are noted on the EKG. These changes are most likely caused by

(A) intravascular injection of bupivacaine

(B) subarachnoid injection of bupivacaine

(C) myocardial ischemia

(D) oculocardiac reflex

(E) retrobulbar hemorrhage

A

Oculocardiac Reflex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A 75-year-old man in the PACU complains of severe pain following thoracotomy. Respiratory rate is 30/min; arterial blood gas values are PaO2 70 mmHg, PaCO2 56 mmHg, and pH 7.28 at an FiO2 of 0.6. The patient has a thoracic epidural catheter and received epidural morphine 2 mg 45 minutes earlier. Which of the following is the most appropriate immediate management?

(A) Intravenous administration of naloxone

(B) Epidural administration of additional morphine

(C) Epidural administration of 0.125% bupivacaine

(D) Epidural administration of fentanyl

(E) Intubation of the trachea

A

Epidural administration of 0.125% bupivacaine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A patient has seizure activity 30 seconds after injection of 0.25% bupivacaine 2 ml with epinephrine 1:200,000 for stellate ganglion block. The most likely cause is

(A) reaction to epinephrine in the anesthetic solution

(B) anaphylactoid reaction to bupivacaine

(C) subarachnoid injection of bupivacaine

(D) peridural venous injection of bupivacaine

(E) vertebral artery injection of bupivacaine

A

vertebral artery injection of bupivacaine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A patient receiving monoamine oxidase inhibitor therapy for depression undergoes an emergency cholecystectomy. Which of the following is the best means of providing postoperative analgesia in this patient?

(A) Epidural analgesia using 0.25% bupivacaine

(B) Intravenous meperidine

(C) Epidural analgesia using meperidine

(D) Epidural analgesia using 1% lidocaine with epinephrine

(E) Intercostal analgesia using 1% lidocaine with epinephrine

A

Epidural analgesia using 0.25% bupivacaine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A woman has weakness of the right quadriceps and a decreased knee jerk reflex on the right one day after forceps delivery under epidural anesthesia. The most likely cause is

(A) epidural hematoma

(B) intrapelvic nerve trauma

(C) lithotomy positioning

(D) reaction to the preservative in the anesthetic solution

(E) trauma from the epidural needle

A

Intrapelvic nerve trauma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

After an axillary brachial plexus block, the patient feels pain when the surgeon clips the skin over the thenar eminence. The most likely cause is inadequate anesthesia in the distribution of the _____

A

median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

After receiving an axillary block for carpal tunnel release, a patient has pain on incision. Which of the following nerves should be blocked at the level of the elbow to relieve the pain?

(A) Intercostobrachial

(B) Median

(C) Musculocutaneous

(D) Radial

(E) Ulnar

A

median

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

An 18-year-old woman has knee pain during arthroscopy performed with femoral and sciatic nerve blocks for repair of a torn medial meniscus. The most appropriate management is addition of which of the following nerve blocks?

(A) Deep peroneal

(B) Obturator

(C) Popliteal

(D) Saphenous

(E) Superficial peroneal

A

Obturator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Block of each of the following nerves is required for inguinal herniorrhaphy EXCEPT the

(A) genitofemoral

(B) iliohypogastric

(C) ilioinguinal

(D) obturator

(E) twelfth thoracic

A

Obturator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which nerve directly originates in the lateral cord and supplies motor function to the flexors of the upper arm and sensation to part of the forearm’s skin?

A

Musculocutaneous nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Following completion of an ankle block, the patient reports intact sensation on the tips of the toes. Which nerve was blocked inadequately?

A

posterior tibial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

In a patient receiving an epidural analgesic infusion postoperatively, clear fluid is noted to drip back freely from the epidural catheter. Each of the following findings correctly identifies the associated fluid EXCEPT

(A) precipitation when mixed with an equal volume of thiopental — local anesthetic

(B) pH 7.1— saline solution

(C) glucose 55 mg/dl - CSF

(D) sodium 150 mEq/L - CSF

(E) PCO2 51 mmHg - CSF

A

pH 7.1 - saline solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Prompt control of seizures induced by bupivacaine is necessary because ______

A

ventilaiton may be impaired

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The physiologic function most likely to be spared when a local anesthetic differential nerve block is administered is

A

proprioception

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

These two nerve branches also originate in the medial cord and supply sensation to the medial side of the upper arm and forearm.

A

medial cutaneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Two months ago a 68-year-old man with insulin-dependent diabetes mellitus had a transurethral resection of the prostate under spinal anesthesia with tetracaine plus epinephrine. He now has numbness and tingling in both feet and disturbance of gait. Physical examination demonstrates stocking-type hypesthesia of both feet and ankles. The most likely diagnosis is

(A) anterior spinal artery syndrome

(B) diabetic neuropathy

(C) adhesive arachnoiditis

(D) cauda equina syndrome

(E) peripheral nerve injury from the lithotomy position

A

Diabetic Neuropathy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What section of the brachial plexus is named according to their position to the axillary artery?

A

cords

(lateral, medial, and posterior)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the most likely sequela of interscalene brachial plexus block?

A

hemidiaphragmatic paralysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which landmarks are used in performing a wrist block for surgery on the fourth digit?

A
  • ulnar artery
  • palmaris longus tendon
  • flexor carpi radialis tendon
  • flexor carpi ulnaris tendon
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which nerve originates directly in the medial cord and innervates the motor unit of various flexors in the forearm, parts of the hand muscles and sensory parts of the back of the hand, palm and fingers I-IV

A

Ulnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Which nerve originates in the posterior cord and partially innervates the motor unit of the shoulder girdle muscles and supplies sensation to the shoulder’s skin

A

Axillary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which nerve originates in the posterior cord and innervates the motor unit of all extensors in the arm and parts of the hand muscles, and supplies sensation to the dorsal side of the arm.

A

Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which nerve originates where fibers of the lateral and medial cords come together and innervates the motor unit of various flexors in the forearm and some hand muscles and gives sensation to the palm and parts of the fingers I-IV

A

Median

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Which of the following is characteristic of low back pain associated with myofascial pain syndrome but not of pain associated with a herniated lumbar disk?

(A) Loss of reflexes in the lower extremities

(B) Pain along the distribution of nerve roots

(C) Responsiveness to epidural corticosteroids

(D) Sensitivity to injection at trigger points

(E) Trophic alteration in the sympathetic nervous system

A

Sensitivity to injection at trigger points

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Which of the following statements about patient-controlled analgesia using opioids is true?

(A) It is not associated with respiratory depression

(B) It obviates loading doses

(C) It requires a background opioid infusion to be effective

(D) It requires intravenous administration to be effective

(E) It requires less drug than intramuscular dosing for similar analgesia

A

it requires less drug than intramuscular dosing for similar analgesia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Which of the following statements concerning interscalene brachial plexus block is true?

(A) The three trunks of the plexus are in the same fascial plane as the internal jugular vein

(B) Distal spread of anesthetic past the humeral head is accelerated by adduction of the arm

(C) Anesthetic solution can spread up the fascial sheaths to involve the stellate ganglion

(D) Ipsilateral diaphragmatic paralysis results from epidural spread

(E) Rich vascularity in the sheaths promotes rapid vascular uptake of anesthetic

A

Anesthetic solution can spread up the fascial sheaths to involve the stellate ganglion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Which of the following statements concerning the use of epidural anesthesia for extracorporeal shock wave lithotripsy is true?

(A) Adequate anesthesia can be obtained with fentanyl alone

(B) Anesthesia decreases the incidence of hypothermia

(C) Anesthesia decreases the incidence of ventricular dysrhythmias

(D) Anesthesia is unnecessary in paraplegics with absence of sensation below T4

(E) “Loss of resistance” should be performed with fluids rather than air

A

“loss of resistance” should be performed with fluids rather than air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

With an interscalene brachial plexus block:

(A) more local anesthetic drug is required than for axillary block

(B) the biceps and brachialis muscles are blocked last

(C) the intercostobrachial nerve is usually blocked

(D) the lateral antebrachial cutaneous nerve is usually spared

(E) the ulnar nerve is most likely to be spared

A

the ulnar nerve is most likely to be spared

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

A patient has seizure activity 30 seconds after injection of 0.25% bupivacaine 2 ml with epinephrine 1:200,000 for stellate ganglion block. The most likely cause is

(A) reaction to epinephrine in the anesthetic solution

(B) anaphylactoid reaction to bupivacaine

(C) subarachnoid injection of bupivacaine

(D) peridural venous injection of bupivacaine

(E) vertebral artery injection of bupivacaine

A

vertebral artery injection of bupivacaine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Block of the superficial cervical plexus is performed at _____

A

the midposterior border of the sternocleidomastoid muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

A 28-year-old woman receives a lumbar epidural anesthetic for uncomplicated labor and delivery. During removal of the catheter, 1 cm breaks off and remains in her back. After informing the patient, the most appropriate management is

(A) no intervention unless symptoms occur

(B) prophylactic antibiotics

(C) epidural corticosteroids

(D) dye contrast study of the epidural space

(E) neurosurgical exploration

A

no intervention unless symptoms occur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

When performed with identical doses, what type of regional block is associated with the highest plasma concentration of the drug?

A

intercostal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Which nerve is most likely to be injured by a fracture of the shaft of the humerus?

A

radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

A 65-kg man is scheduled for wrist surgery with intravenous regional anesthesia with 0.5% lidocaine 50 ml. Which of the following statements is true?

(A) This anesthetic is contraindicated if the patient has sickle cell disease

(B) Mottling of the skin after injection dictates abandonment of the technique

(C) Tourniquet discomfort is an indication to inject more local anesthetic

(D) Bupivacaine 0.5% could be substituted to prolong anesthesia

(E) Epinephrine (1:400,000) should be added to prolong anesthesia

A

A

this anesthetic is contraindicated in patients with sickle cell

37
Q

Bupivacaine 30 ml injected into the inguinal perivascular space will usually block ______

A

femoral, lateral femoral cutaneous, and obturator nerves

38
Q

Intractable pain due to unresectable pancreatic carcinoma is most effectively treated with

(A) bilateral neurolytic intercostal blocks at T10-12

(B) bilateral sympathetic blocks with phenol

(C) celiac plexus block with alcohol

(D) epidural block with phenol

(E) subarachnoid block with alcohol

A

celiac plexus block with alcohol

39
Q

In performing a diagnostic left lumbar sympathetic block for lower extremity claudication, the tip of the needle ideally should lie at point

A

D

40
Q

Which of the following will most closely mimic the effects of stellate ganglion block?

(A) Axillary perivascular block with 25 mL of 1.5% lidocaine

(B) Cervical nerve block at C2-5 with 2 mL of 1.5% lidocaine

(C) Supraclavicular block at the level of the first rib with 25 mL of 1.5% lidocaine

(D) Block of the median, radial, ulnar, musculocutaneous, and intercostobrachial nerves

(E) Excision of thoracic sympathetic ganglia Tl-4

A

Excision of thoracic sympathetic ganglia Tl-4

41
Q

A patient is scheduled for amputation of the third metatarsal. A tourniquet will not be used during the procedure. The most effective anesthesia will be provided by block of which nerves?

A

common peroneal and tibial

42
Q

After brachial plexus block, a patient has sensation over the inner aspect of the upper arm. Block of which nerve would obtund this sensation?

A

intercostobrachial

43
Q

Neurolytic block is most appropriate for

(A) abdominal pain secondary to hepatic carcinoma

(B) abdominal pain secondary to chronic pancreatitis

(C) persistent chest wall pain secondary to intercostal neuralgia following a thoracotomy for trauma

(D) reflex sympathetic dystrophy of the upper extremity with an excellent but transient response to a series of stellate ganglion blocks with local anesthetic

(E) a diabetic patient scheduled for surgical sympathectomy to relieve unilateral lower extremity pain secondary

A

abdominal pain secondary to hepatic carcinoma

44
Q

Five minutes after intrathecal administration of tetracaine 12 mg in hyperbaric solution, a 60-year-old man has a weak hand grasp. Respirations are normal, heart rate has decreased from 80 to 45 bpm, and blood pressure has decreased from 150/80 to 90/50 mmHg. The most appropriate management at this time is

(A) administration of atropine

(B) administration of ephedrine

(C) administration of phenylephrine

(D) placement of the patient in the head-down position

(E) observation

A

atropine

45
Q

During axillary brachial plexus anesthesia, motor block frequently precedes sensory block because of _____

A

peripheral location of motor fibers in the nerve bundle

46
Q

In a patient with peripheral vascular disease, the most likely result of lumbar sympathetic block is

(A) increased blood flow to skin and decreased blood flow to muscle

(B) increased blood flow to skin and unchanged blood flow to muscle

(C) increased blood flow to skin and muscle

(D) decreased blood flow to skin and muscle

(E) decreased blood flow to skin and unchanged blood flow to muscle

A

increased blood flow to skin and unchanged blood flow to muscle

47
Q

Each of the following is a complication or side effect of neurolytic celiac plexus blockade EXCEPT

(A) constipation

(B) hematuria

(C) orthostatic hypotension

(D) paraplegia

(E) pneumothorax

A

constipation

48
Q

If both recurrent laryngeal nerves were severed during a difficult thyroidectomy for cancer, the most likely finding would be

A

cadaveric positioning of the true vocal cords

49
Q

Which of the following is a cardiorespiratory effect of epidural block to a T4 sensory level?

(A) Decreased expiratory reserve volume

(B) Decreased tidal volume

(C) Increased circulating catecholamine concentrations

(D) Increased heart rate

(E) Unchanged vital capacity

A

decreased expiratory reserve volume

50
Q

During open reduction of a tibial fracture, a tourniquet cuff is applied around the proximal thigh and inflated to 300 mmHg. Which of the following is most likely to prevent pain and hypertension caused by the tourniquet?

(A) Intravenous administration of fentanyl during subarachnoid block

(B) Lumbar sympathetic block

(C) Spinal anesthesia to a T6 sensory level

(D) Obturator nerve block

(E) General anesthesia

A

spinal anesthesia to a T6 sensory level

51
Q

Coughing that occurs during awake intubation is prevented by local anesthetic block of which nerves?

A

recurrent and superior laryngeal

52
Q

What surface area of the upper extremity is most likely to be unanesthetized by an interscalene brachial plexus block?

A

hypothenar eminence

53
Q

A patient receives 1.5% bupivacaine 40 ml and epinephrine 1:200,000 for axillary brachial plexus block for reduction of a forearm fracture. The tourniquet is inflated to 300 mmHg; 45 minutes later, the patient has pain that radiates to the posteromedial elbow. Which nerve is NOT adequately blocked?

A

intercostobrachial

54
Q

Which of the following is most indicative of reflex sympathetic dystrophy?

(A) Dry skin

(B) Dull pain that improves with movement

(C) Fasciculations

(D) Motor weakness

(E) Pallor and cyanosis

A

pallor and cyanosis

55
Q

Each of the following is a complication of celiac plexus block with 0.5% lidocaine 40 ml EXCEPT

(A) hematuria

(B) ileus

(C) postural hypotension

(D) retroperitoneal hematoma

(E) weakness of hip flexors

A

ileus

56
Q

Surgery is cancelled 10 minutes after initiation of intravenous regional anesthesia with 50 ml of lidocaine 0.5%. To terminate anesthesia safely, what is the most appropriate timing for deflating the tourniquet?

(A) Immediately if benzodiazepines have been administered

(B) Immediately after intravenous administration of ephedrine 10 mg

(C) Immediately, followed by repeated reinflation and deflation

(D) In no less than 20 minutes after initial injection

(E) In no less than 45 minutes after initial injection

A

in no less than 20 minutes after initial injection

57
Q

Transcutaneous electrical nerve stimulation is LEAST likely to be effective in which of the following pain syndromes?

(A) Acute postoperative pain

(B) Chronic pancreatitis

(C) Myofascial syndrome

(D) Phantom limb pain

(E) Reflex sympathetic dystrophy

A

chronic pancreatitis

58
Q

An axillary block is administered to a 60-kg patient using 40 ml of 0.5% bupivacaine. Ten minutes after placement of the block, the patient has a seizure. Which of the following statements is true?

(A) A low serum albumin concentration could have contributed to the occurrence of the seizure

(B) CNS hypoperfusion is the most likely cause of the seizure

(C) The seizure was probably secondary to an allergic reaction to the local anesthetic

(D) The use of an equipotent dose of lidocaine rather than bupivacaine would have decreased the likelihood ofthe seizure

A

low serum albumin

59
Q

Block of which nerves is required for inguinal herniorrhaphy

A

genitofemoral

iliohypogastric

ilioinguinal

twelfth thoracic

60
Q

Which of the following statements concerning caudal anesthesia in children is true?

(A) The dural sac extends further caudad than in adults

(B) Delay of postoperative micturition occurs in most patients

(C) The sensory level of analgesia is poorly correlated with the dose of local anesthetic

(D) It is technically difficult because of poorly defined sacral anatomy

(E) It is contraindicated in infants younger than 1 year of age

A

the dural sac extends further than in adults

61
Q

The last muscle to be affected by an interscalene brachial plexus block is the _____

A

interosseous

62
Q

the musculocutaneous nerves recieve contributions from ______

A

C5 and C6

63
Q

A 31-year-old man received an uneventful epidural anesthetic for arthroscopy of the knee and meniscectomy. Twenty-four hours later he still has painless flaccid paralysis in both legs. This clinical presentation is most consistent with

(A) adhesive arachnoiditis

(B) anterior spinal artery thrombosis

(C) epidural abscess

(D) epidural hematoma

(E) transverse myelitis

A

epidural hematoma

64
Q

Properly performed local anesthetic block of the celiac plexus

(A) requires that the needle tip be positioned anterior to the vertebral body of LI

(B) preserves efferent parasympathetic outflow

(C) produces urinary retention

(D) is not associated with hypotension

(E) produces truncal cutaneous hypesthesia

A

requires that the needle tip be positioned anterior to the vertebral body of LI

65
Q

A 30-year-old woman has difficulty talking 15 minutes after initiation of interscalene block for closed reduction of a dislocated shoulder. The most likely cause is _____

A

recurrent laryngeal nerve block

66
Q

Which of the following findings best indicates complete resolution of spinal anesthesia?

(A) Ability to ambulate

(B) Ability to urinate

(C) Perianal pinprick sensation

(D) Pain at the surgical site

(E) Proprioception of the big toe

A

ability to urinate

67
Q

Following axillary block for insertion of an arteriovenous fistula in the forearm, a patient has pain on surgical incision. Which nerve should be blocked to relieve this pain?

A

musculocutaneous

68
Q

Which of the following complications of caudal anesthesia with 0.25% bupivacaine is more likely in children than in adults?

(A) Intravascular injection

(B) Neurotoxicity

(C) Profound motor block

(D) Systemic toxicity

(E) Total spinal block

A

total spinal block

69
Q

A 30-year-old primiparous woman delivered a healthy infant by cesarean section during uneventful spinal anesthesia with tetracaine 10 mg in 2 ml of 5% dextrose solution. Twelve hours after delivery she has bilateral loss of pain and temperature sensibility, but not touch, below T8 and paralysis of both legs. The most likely cause of this complication is

(A) chemical arachnoiditis

(B) injection of tetracaine into the spinal cord

(C) demyelination of the posterior tracts

(D) thrombosis of the anterior spinal artery

(E) cord transection from spondylolisthesis

A

thrombosis of the anterior spinal artery

70
Q

During axillary block of the brachial plexus, which nerve is most likely to be encountered if the needle is inserted through the posterior wall of the artery?

A

radial

71
Q

A patient is placed in the prone jackknife position for lumbar subarachnoid injection of tetracaine 10 mg in 10 ml of preservative-free sterile water. Which of the following results is most likely?

(A) Respiratory insufficiency

(B) Sensory and motor block at T4-S1

(C) Sensory and motor block at L1-S5

(D) Sensory loss without motor block at L1-S5

(E) Sensory and motor block at S3-S5

A

Sensory and motor block at L1-S5

72
Q

Which of the following is the most likely cause of apnea occurring after a retrobulbar block?

(A) Epidural injection

(B) Increased intracranial pressure

(C) Oculopontine reflex

(D) Ophthalmic artery injection

(E) Subarachnoid injection

A

Subarachnoid injection

73
Q

Twenty minutes after an axillary block, the patient reports feeling over the “back of the hand.” Examination shows normal sensation over the lateral aspect of the dorsum of the hand and the dorsal base of the thumb and index finger. Supplementary anesthesia of this area can be provided by blocking which nerve?

A

radial

74
Q

A successful ankle block for transmetatarsal amputation of the first and second toes should include what nerves?

A

saphenous, deep peroneal, superficial peroneal, and tibial

75
Q

In patients with reflex sympathetic dystrophy affecting the arm, what indicates a therapeutic block?

A

increased skin temperature

76
Q

The muscular action most likely to remain intact following an axillary brachial plexus block is _____

A

flexion at the elbow

77
Q

The condition LEAST likely to be associated with sustained pain relief following a nerve block is

(A) causalgia

(B) myofascial pain

(C) diabetic neuropathy

(D) acute herpes zoster

(E) reflex sympathetic dystrophy

A

acute herpes zoster

78
Q

which nerve is more likely to be spared in an interscalene brachial plexus block?

A

ulnar

79
Q

Which nerve block would be appropriate to inhibit the gag reflex?

A

glossopharyngeal

80
Q

After receiving an axillary block for carpal tunnel release, a patient has pain on incision. Which nerve should be blocked at the level of the elbow to relieve the pain?

A

median

81
Q

Mepivacaine 40 ml of a 1% solution with epinephrine 1:200,000 is injected into the brachial plexus sheath at the axilla after eliciting a paresthesia in the ulnar nerve distribution. What is most likely to remain intact?

A

sensation of the lateral forearm

82
Q

What anesthetic technique is most appropriate for a woman in the second stage of labor?

A

pudendal nerve block

83
Q

To eliminate involuntary expulsive effort with contraction in the second stage of labor, a nerve block must include at least

A

S2 - S4

84
Q

Which additive accelerates the onset of lidocaine axillary block without shortening duration?

A

carbon dioxide

85
Q

A patient has hoarseness after undergoing surgery involving the aortic arch. The most likely cause is an injury to _____

A

left recurrent laryngeal nerve

86
Q

The physiologic function most likely to be spared when a local anesthetic differential nerve block is administered is _____

A

proprioception

87
Q

Compared with epidural morphine, intrathecal morphine produces ____

A

more respiratory depression

88
Q

Compared with adults, caudal anesthesia in children is associated with ____

A

higher risk of subarachnoid puncture

Quarter 4 (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions