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A&P Ch 14 HW
A&P Ch14 HW
Question | Answer |
---|---|
What is the correct order for the parts of the spinal cord, from superior to inferior? | Cervical - thoracic - lumbar - sacral - coccygeal |
The inferior tip of the spinal cord is the ___________ part. | coccygeal |
Each side of the spinal cord gives rise to _____ cervical nerves. | eight |
Which statement accurately describes spinal nerves? | Each spinal nerve is mixed in that it contains some sensory axons and some motor axons. |
T/F : The subdural space is the region between the arachnoid mater and the dura mater. | True |
T/F: The spinal dura mater contains an outer periosteal layer and an inner meningeal layer. | False |
Which space associated with the spinal cord meninges contains cerebrospinal fluid? | Subarachnoid space |
T/F : The white matter of the spinal cord is surrounded by its grey matter. | False |
Which of the following accurately compares sections of spinal white matter? | A fasciculus is smaller than a funiculus. |
Which accurately describes sensory and motor pathways? | Sensory pathways terminate in the brain, and motor pathways terminate at effectors. |
The function of upper motor neurons is to | excite or inhibit lower motor neurons. |
The plexuses that lie on either side of the neck are the _____ plexuses. | cervical |
The cervical plexus is formed by the | anterior rami of spinal nerves C1-C4. |
Which spinal nerves contribute to the brachial plexus? | C5-T1 |
Two of the nerves of the lumbar plexus are the | femoral and obturator nerves. |
Where the sciatic nerve splits, it branches directly to the | tibial and common fibular nerves. |