This is a timed quiz.
You have 5 minutes to complete the 10 questions in this quiz.
In adults, the spinal cord normally ends at:
Lower border of L1
Lower border of L3.
Lower border of S1.
Lower border of L5
Upper border of L4
- All of the following statements regarding the spinal cord are true,Except:
Spinal cord ends at the lower border of L1 in adults
Denticulate ligaments suspend spinal medulla in the subarachnoid space
Central canal lies in the white matter
Efferents leave from the anterior horn
The fasciculus gracilis on each side of the spinal cord is located in the :-
dorsal column
lateral column
posterior horn
ventral column
If the lateral spinothalamic tract is cut, which of the following sensations would be absent on the opposite side below the incision?
light touch and pressure
light touch and itch
pain and temperature
pressure and itch
the needle of lumbar puncture passes through all these structures EXCEPT :-
supraspinous ligament
interspinous ligament
pia mater
arachnoid mater
Which tracts carry unconcious proprioceptive information?
Spinocerebellar tracts
Anterior spinothalmic tract
Lateral spinothalmic tract
Dorsal column
Damage to the anterolateral system will present with which symptoms?
Ipsilateral loss of tactile sensation
Contralateral loss of pain and temperature sensation
Ipsilateral hemiparesis
Muscle weakness
The corticobulbar tracts provide innervation to the musculature of which region of the body?
Head and neck
Upper limbs
Lower limbs
Neck
Which of these describe the function of the tectospinal tracts?
Increase muscle tone and facilitate voluntary movements
Co-ordinate movements of the head
Decrease muscle tone and inhibit voluntary movements
Fine control of hand movements
What is the name given to the thickenings of the pia mater?
Articulate ligaments
Intermeningeal ligaments
Denticulate ligaments
Articular ligaments
