题目内容

Brachial plexus: ()

A. pass between the middle and posterior scalenes.
B. pass between the sternocleidomastoid muscle and anterior scalen
C. pass between the clavicle and the first rib
D. pass through scalene space accompanying the subclavian vein
E. nothing as above

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When a lumber puncture is performed, which ligament would the needle pass through on its way to the subarachnoid space? ()

Anterior longitudinal
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A. vagus nerve
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C. azygos vein
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A. Erector spinae
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D. Rhomboideus major
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Nerves enter and exit the spinal cord through the()

A. Vertebral foramina
B. Intervertebral foramina
C. Superior vertebral foramina
D. Pedicles
E. Laminae

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