Brachial Plexus Quiz Questions And Answers

16 Questions | By Mrs Timbo | Last updated: Mar 22, 2022 | Total Attempts: 9486

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Take this really simple brachial plexus quiz to find out how much you remember about this topic from back when you first learned about it! The brachial plexus is a network of nerves that is responsible for sending signals from the spinal cord to the shoulder, arm, and hand, and an injury to this bundle of nerves can be very serious, especially if they are ripped away or torn completely from the spinal cord. Let's begin. All the best!

Questions and Answers

1.

Cervical: means
- A.
  
  Neck
- B.
  
  Relating to the cervix
- C.
  
  Lower back
- D.
  
  Trunk
2.

Lumbar means:
- A.
  
  Relating to "wood" meaning the trunk of the body
- B.
  
  The curve in the back of the spine
- C.
  
  Lower back
- D.
  
  A seating position
3.

The two areas of enlargement ("bulges") are called:
- A.
  
  Bony prominances
- B.
  
  Brachial plexus and lumbar plexus
- C.
  
  Cervical plexus and lower back plexus
4.

The brachial plexus is located in the ________
- A.
  
  Lumbar area
- B.
  
  Cervical area
- C.
  
  The arms
- D.
  
  The legs
5.

Plexus means:
- A.
  
  A bundle of something in this case a bundle of arteries
- B.
  
  A bundle of something, in this case, a bundle of nerve fibers)
- C.
  
  A bundle of something, in this case a bundle of neurons
- D.
  
  A bundle of something, in this case a bundle of muscle fibers
6.

The function of the brachial plexus is to
- A.
  
  Supply movement to the upper extremities
- B.
  
  Supply blood to the upper extremities
- C.
  
  Supply innervation to the upper extremities.
- D.
  
  Supply innervation to the lower extremities
7.

The origin of the PNS (peripheral nervous system) is located where?
- A.
  
  Brachial plexus
- B.
  
  Lumbar plexus
8.

Do you know what “innervation means?
- A.
  
  I do indeed, innervation means to to "supply with blood"
- B.
  
  I do indeed, innervation means to to "supply with muscle"
- C.
  
  I do indeed, innervation means to to "supply with nerves"
9.

Breakdown of Brachial Plexus:
- A.
  
  Roots, trunks, divisions and cords
- B.
  
  C1-7, L1-12, L1-L5
- C.
  
  Medial, lateral, distal, proximal
10.

These roots, trunks, divisions, cords ultimately break down into five major nerves in the upper extremity: what are they. (pick 3)
- A.
  
  Axillary,median
- B.
  
  Musculoctaneous
- C.
  
  Ulnar, radial
- D.
  
  Axlliary, femur
- E.
  
  Obturator nerve
11.

The ROOT exit off at:
- A.
  
  The spinal cord at C-1 though T-1 (C1,2,3,4,5,6,7,8 and T-1)
- B.
  
  The spinal cord at c-5 through t-1 (C5,6,7,8 and T-1)
- C.
  
  The spinal cord at C-5 through C7 (c5,6,7)
12.

The root gives rise to _ nerves the _________and ________
- A.
  
  2, axillary, and musculocutaneous
- B.
  
  2, dorsal scapular, Long thoracic
- C.
  
  3, ulnar, radial, and median
- D.
  
  3 axillary, radial and median
13.

1. dorsal scapular nerve is susceptible to ________ injury.
- A.
  
  Contrature
- B.
  
  Stretch
- C.
  
  Scapular injury
14.

The long thoracic nerve innervates the _________, which keep the _____ flat on the back
- A.
  
  Pectoral, scapula
- B.
  
  Biceps, clavical
- C.
  
  rhomboids, scapula
- D.
  
  Rhomboids, spinal cord
15.

Spinal cord: has ___areas of enlargement "bulges". One is in the _____ area, one in the__________
- A.
  
  4, cervical area, neck area,lower lumbar, lower back area
- B.
  
  3, cervical area, lumbar area, thoracic
- C.
  
  2, cervical area, lumbar area
16.

Trunks are:
- A.
  
  Where the roots come together to combine, forming upper, middle and lower trapezium, at the rhomboid muscles)
- B.
  
  Where roots come together to combine, forming upper, middle, and lower trunks (at the level of the scalene muscles)
- C.
  
  Where roots come together to combine, forming upper, middle, and lower trunks (at the level of the rotary cuff muscles)
- D.
  
  Where the roots come together to combine, forming upper, middle and lower trapezium, at the scalene muscles)