LEC 2 DELTA WHITE MATTER OF SPINAL CORD + EXTERNAL FEATURES BS

What divides the white matter into two halves?

• Intermediate septum

• Dorso-lateral sulcus

• Ventral median fissure

• Central canal

The dorsal column is divided into which fasciculi?

• Gracile and Cuneate

• Ventral and Lateral

• Superior and Inferior

• Medial and Lateral

Which structure in the brainstem is responsible for control of consciousness?

• Reticular formation

• Cerebellum

• Ventral median fissure

• Inferior olive

What type of tracts are the spinothalamic and corticospinal?

• Sensory

• Motor

• Long tracts

• Short tracts

Where is the lumbar puncture site?

• Between L2-L3

• Between L3-L4

• Between L4-L5

• Between L5-S1

Which cranial nerve emerges from the medial aspect of the crus cerebri?

• CN IV

• CN V

• CN III

• CN VII

The brainstem lies on which part of the occipital bone?

• Clivus

• Foramen magnum

• Sphenoid

• Temporal bone

Which cranial nerves emerge from the medulla oblongata?

• CN VII, VIII

• CN IX, X, XI, XII

• CN V, VI

• CN III, IV

What structure is produced by the corticospinal tract in the medulla?

• Olive

• Pyramid

• Basilar sulcus

• Pontine nuclei

The cerebellum connects to the brainstem via which structures?

• Ventricles

• Peduncles

• Sulci

• Fissures