Regional Exam 3

75 Questions | By Scottishduffy | Last updated: Dec 31, 2012 | Total Attempts: 178

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A review to material for test 3 on peripheral nerve blocks.

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Questions and Answers

1.

The brachial plexus is formed by the nerve roots of which vertebrae in the majority of people?
- A.
  
  C5-C8
- B.
  
  C2-T2
- C.
  
  T1-T2
- D.
  
  C1-C4
2.

In the cervical region nerve roots exit _____ the vertebrae for which they are named, but starting in the Thoracic region nerve roots exit _____ the vertebrae for which they are names.
- A.
  
  Below, above
- B.
  
  Above, below
- C.
  
  Beside, above
- D.
  
  Below, Beside
3.

Which of the following is the proper sequence, from proximal to distal, for the composition of the brachial plexus?
- A.
  
  Trunks, Cords, Roots, Divisions, Branches
- B.
  
  Cords, Roots, Branches, Trunks, Divisions
- C.
  
  Roots, Trunks, Divisions, Cords, Branches
- D.
  
  Branches, Divisions, Trunks, Roots, Cords
4.

Which nerve passes behind humerus and laterally at the epicondyle?
- A.
  
  Median Nerve
- B.
  
  Ulnar Nerve
- C.
  
  Scalene Nerve
- D.
  
  Radial Nerve
5.

Stimulation of the radial nerve at level of elbow would result in which of the following?
- A.
  
  Extension of wrist and fingers
- B.
  
  Pronation of forearm and flexion of wrist
- C.
  
  Flexion of pinky finger and ulnar wrist deviation
- D.
  
  Contraction of deltoid muscle
6.

A patient experiencing numbness of posterior forearm, thumb, and first two digits would most have a block of which nerve?
- A.
  
  Ulnar
- B.
  
  Radial
- C.
  
  Medial
- D.
  
  Obturator
7.

The Ulnar nerve arises from the inferior roots of which vertebrae?
- A.
  
  C5-C6
- B.
  
  C6-C8
- C.
  
  C2-C4
- D.
  
  C8-T1
8.

In above picture, what is nerve #2?
- A.
  
  Ulnar
- B.
  
  Median
- C.
  
  Radial
- D.
  
  None of Above
9.

In above picture, what is nerve #1?
- A.
  
  Ulnar
- B.
  
  Median
- C.
  
  Radial
- D.
  
  None of Above
10.

In above picture, what is nerve #3?
- A.
  
  Ulnar
- B.
  
  Median
- C.
  
  Radial
- D.
  
  None of Above
11.

Which nerve can be located posterior to the medial epicondyle and the elbow?
- A.
  
  Median
- B.
  
  Scalene
- C.
  
  Radial
- D.
  
  Ulnar
12.

Stimulation of the ulnar nerve would result in which of following actions?
- A.
  
  Flexion of pinky finger and ulnar wrist deviation
- B.
  
  Extension of wrist and fingers
- C.
  
  Pronation of forearm and flexion of wrist
- D.
  
  Contraction of deltoid muscle
13.

Which of the following provides sensory and motor enervation to the deltoid muscle?
- A.
  
  Scalene nerve
- B.
  
  Axillary nerve
- C.
  
  Median nerve
- D.
  
  Musculocutaneous nerve
14.

Which of the following properly describes the musculocutaneous nerve?
- A.
  
  It supplies motor enervation to the deltoid muscle it also supplies sensory enervation to the same area both anteriorly and posteriorly
- B.
  
  Sensory it supplies the thumb, index, middle and half of the ring finger on the palmar(bolar) side on the dorsum of the hand it supplies the distal 3rd of the thumb and index fingers.
- C.
  
  Stimulation of the nerve causes extension of the wrist.
- D.
  
  Provides motor enervation to biceps and coracobrachialis, sensory to lateral aspect of forearm.
15.

A block of the radial nerve at the level of the elbow would generally require what volume of anesthetic?
- A.
  
  40 ml
- B.
  
  10 ml
- C.
  
  25 ml
- D.
  
  2-5 ml
16.

What is the largest nerve in the body?
- A.
  
  Sciatic nerve
- B.
  
  Brachial Plexus nerve
- C.
  
  Femoral nerve
- D.
  
  Spinal cord
17.

Which of the following nerves does not play a role in lower extremity nerve blockade?
- A.
  
  Lateral femoral cutaneous
- B.
  
  Ilioinguinal
- C.
  
  Obturator
- D.
  
  Femoral
18.

Which nerve supplies sensation to the lateral aspect of the thigh down to the knee?
- A.
  
  Femoral
- B.
  
  Sciatic
- C.
  
  Lateral Femoral Cutaneous
- D.
  
  Ilioinguinal
19.

Which of the following nerves provides motor enervation to the quadriceps muscle and sensation to the anterior thigh?
- A.
  
  Ilioinguinal
- B.
  
  Obturator
- C.
  
  Lateral Femoral Cutaneous
- D.
  
  Femoral
20.

Blocking the lumbar plexus will block all sensory nerves of the leg and is sufficient for surgery.
- A.
  
  True
- B.
  
  False
21.

Lumbar plexus blocks are almost always done with the patient in the _______ position.
- A.
  
  Sitting
- B.
  
  Lateral
- C.
  
  Prone
- D.
  
  Supine
22.

Which of the following nerve blocks is most effective for treatment of pain from knee surgery?
- A.
  
  Sciatic
- B.
  
  Lateral Femoral Cutaneous
- C.
  
  Femoral
- D.
  
  Obturator
23.

Where is the proper insertion point for a femoral block (after having identified other landmarks, of course)?
- A.
  
  2 cm medial from femoral pulse
- B.
  
  2 cm caudad from femoral pulse
- C.
  
  2 cm distal from femoral pulse
- D.
  
  2 cm lateral from femoral pulse
24.

When injecting local anesthetic for a femoral block you should stop and re-aspirate every…
- A.
  
  5 ml’s
- B.
  
  2-3 ml’s
- C.
  
  10 ml’s
- D.
  
  You don’t have to after the initial aspiration.
25.

Which of the following is not one of anatomical landmarks required to perform a femoral block?
- A.
  
  Anterior Superior Iliac spine
- B.
  
  Sacral Hiatus
- C.
  
  The femoral artery
- D.
  
  Superior lateral corner of pubic tubercle

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