Nerves & Arteries
The tapering/ending of the conus medullaris generally occurs at
L1-L2
What nerve is injured in "wrist drop"?
Radial
What is a flat, fibrous expansion of pia matter that anchors the spinal cord within the dural sac via tooth-like projections?
denticulate ligament
Which muscles comprise the erector spinae muscle group?
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Iliocostalis, Longissimus, Spinalis
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Which segment of the brachial plexus does not contain any branches?
Divisions
What vein should be avoided when drawing someone's blood (phlebotomy) and which side of the arm is it on?
Basilic vein
the medial side
What roots make up the cauda equina?
Dorsal/ventral ?
Dorsal and ventral roots
What is the attachment for most of the forearm flexors?
Medial Epicondyle
What 2 countries did Sam's parents live in before immigrating to US
korea and paraguay
The dorsal horn contains spinal nerves that pass on _____ information from the ____ to the ____, while the ventral horn carries ____ information
ensory; periphery; brain; motor
Following a rear-end car accident, a 15-year-old boy complained of soreness in his neck. A MRI revealed that a ligament was torn when his neck was forcefully hyperextended during the accident. Which ligament was most likely damaged?
Anterior longitudinal ligament
What disease/syndrome is characterized by pain, incontinence, saddle anesthesia, and numbness?
Cauda Equina Syndrome
The rotator cuff muscles consist of? (4) muscles
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
Aug 16
A 70-year-old woman falls while descending stairs resulting in her having difficultly moving her shoulder. Examination reveals that she has a fracture of the neck of her humerus and bleeding from the point of her fracture. Which of the following arteries is most likely damaged?
PHCA
posterior humeral circumflex artery
Which structure that enters the palm above the flexor retinaculum may be damaged if someone slashes the anterior surface of their wrist ?
Hint: nerve
Ulnar nerve
What is kyphosis? What segments of the spine exhibit kyphosis?
anterior concavity of spine; thoracic & sacral
What movement does simultaneous contraction of the Pectoralis major, Latissimus dorsi, and Teres major promote at the shoulder (Glenohumeral) joint?
Adduction
where did jodie, elsa, sam do their jamp internships (both)
jodie - tcom, mcgovern
elsa - tcom, ??
sam - lubbock, dell
Which artery supplying the spinal cord does not directly arise from the vertebral artery?
Radicular Artery
What is the major arterial branch that supplies the arm?
Profunda brachii artery
A patient is diagnosed with metastatic prostate cancer. Which structure allows cancer to spread to the vertebral column?
Internal vertebral venous plexus
Ventral primary rami are (smaller/larger) than dorsal primary rami and provide sensory and motor innervation for ____.
larger; intercostal muscles and superficial back muscles
What are all the mentor's ethnicities?
tinu - nigerian
emalee - usa
sam - korean
jess - nigerian
elsa - ethiopian
jodie - viet