1. The spinal cord has an apparent cervical enlargement due to the presence of the cell bodies of the: Select one: a. cranial nerves b. brachial plexus c. sympathetic chain ganglia d. sacral plexus 2.Which of the following is not a cavity within the thoracic cavity? Select one: a. Pleural cavity b. Vertebral cavity c. Mediastinal cavity d. Pericardial cavity
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Madhur L.
The part of a spinal nerve that contains only efferent fibers is the a. dorsal root b. ventral root c. dorsal ramus d. ventral ramus e. plexus To do a lumbar puncture, the needle is inserted into the a. central canal b. sacral plexus c. nucleus pulposus d. subarachnoid space e. gray commissure The sacral plexus is the origin of a. axillary nerve b. obturator nerve c. femoral nerve d. sciatic nerve e. Both C and D are correct The endoneurium is the a. lining of the central canal of the spinal cord b. space between the pia mater and the spinal cord c. connective tissue surrounding an individual axon d. connective tissue surrounding an entire nerve e. group of neurons forming a spinal tract Spinal nerves emerge from the vertebral column via a. vertebral bodies b. intervertebral discs c. intervertebral foramina d. vertebral foramina e. the central canal
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Anatomy of the Spinal Cord Key: a. Cauda equina b. Conus medullaris c. Filum terminale d. Foramen magnum 1. Most superior boundary of the spinal cord 2. Meningeal extension beyond the spinal cord terminus 3. Spinal cord terminus 4. Collection of spinal nerves traveling in the vertebral canal below the terminus of the spinal cord
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