NEUROANATOMY

WHERE DOES CONUS MEDULLARIS OCCUR?

• LEVEL L1 AND L2

• LEVEL L3 AND L4

• LEVEL L1 AND L4

• LEVEL L2 AND L3

Anterior spinal artery is formed by?

• Union of three arteries

• From vertebral artery

• Union of two arteries

• Anterior 1/3 of spinal cord

Segmental artery arise from

• Medial intercostal artery

• Lateral intercostal artery

• Superior intercostal artery

• Lumber artery

Spinal meninges are analogous with Csf

• Cranial meninges

• Arachnoid mater

• Filum terminale

Pia mater thickens to form

• •Lumber cistern

• •Foramen magnum

• •Denticulate ligaments

• •Subarachnoid space

Gracile fasiculus is located at

• •Pons

• •Cerebellum

• •Medulla oblongata

• •Spinal cord

White matter is white due to

• •Myelinated sheets of axon

• •Neuroglia

• •Nerve fibres

• •Myelinated fibres

What region of gray matter in the spinal cord is paired and primarily motor neurons?

• •intermediate zone

• •anterior horns

• •intermediolateral nucleus

• lateral horns

Interneuron , what is an example of a small propriospinal neuron?

• •false

• •true

Spinal anaesthesia also called_________.

• •Spinal block

• •Subarachnoid block

• •Intradural block

• • intrathecal block

• • All of the above