Brain
Spinal Cord
Variations
Cranial Nerves
100

The cerebral cortex is described as "grey matter" because it lacks _____.

Myelin

100

Which of the following control gross motor function?

Extrapyramidal tracts

100

Describe the Babisnki Reflex.

It is represented by fanning of the toes.

100

The _____ nerve mediates the muscles of phonation.

Vagus

200

Blood is supplied to the brain primarily through:

internal carotid arteries.

200

Which of the following transmit pain sensations?

Spinothalamic tract

200

An important milestone in the motor development of an infant is best represented by the assessment of:

head control

200

CN _____ controls taste on two thirds of the tongue.

VII

300

The _____ lobe is responsible for perception and interpretation of sound.

temporal

300

Voluntary movement, particularly very skilled, discrete movement is mediated by:

the corticospinal fibres.

300

Dizziness and a loss of balance in an older adult individual with position changes are most likely caused by:

diminished cerebral blood flow.

300

Cranial nerves have 3 functions:

motor functions.

sensory functions.

parasympathetic functions.

400

The respiratory centre is housed in the _____.

medulla

400

What is the main function of reflexes?

Reflexes permit quick reaction to potentially painful situations.

400

Which are the most common physiological alterations in the neurological system during pregnancy?

Contraction headaches

Acroparaesthesia

400

CN _____ controls balance.

VIII - Vestibulocochlear