What is the normal width of the spinal cord?
a) 2 inches
b) 3 inches
c) half an inch
d) 6 inches
Spinal cord is an elongated, hollow and cylindrical structure lying in the …….
a) thoracic cavity (rib cage)
b) neural canal of vertebral column
c) bone marrow
d) cranium
Explanation cervical, thoracic, and lumbar vertebrae.
In cross section, the spinal cord shows…
a) an inner white matter & and outer grey matter
b) an inner grey matter & and outer white matter
c) inner and outer grey matter only
d) inner and outer white matter only
Explanation: the grey matter consists of cell bodies and white matter consists of nerve fiber
Which of the following surround/s a central canal, containing cerebrospinal fluid?
a) white matter
b) grey matter
c) both white & grey
d) none of them
Explanation: The grey matter gets its grey tone from a high concentration of neuronal cell bodies.
The spinal cord is covered with a thin pigmented membrane,…….
a) the pia mater
b) the dura mater
c) the arachnoid mater
d) all of these
The spinal cord is covered with a thin pigmented membrane, the pia mater and the neural canal is lined with a thick tough membrane…….
a) the pia mater
b) the dura mater
c) the arachnoid mater
d) all of these
Explanation the space between the dura and pia mater is filled with a lymphatic fluid (CSF)
