Neurology1

1. The rate of nerve regeneration is

1mm/day

3mm/day

5mm/day

1cm/day

2. Injury to the common peroneal nerve will result in

Paralysis of the gastrocnemius muscle

Paresthesias of the medial lower leg

Foot drop

Arterial spasm

3. The earliest sign of uncal herniation is:

Unilateral pupil dilatation

Deep coma

Contralateral decerebrate posturing

Bilateral decerebrate posturing

4. Visceral pain is transmitted by

Intercostal nerves

Lumbar nerves

Phrenic nerves

Vagal nerves

5. The pathway for a nociceptive stimulus is:

Ipsilateral spinothalamic tract

Contralateral spinothalamic tract

Ipsilateral posterior columns

Contralateral posterior columns

6. The etiology of myasthenia gravis is:

Insufficient acetylcholine

Motor nerve axonal degeneration

Decreased number of acetylcholine receptors

Overproduction of acetylcholinesterase

7. Brain death can be supported by

Core temp 37 degrees Celcius

Decerebrate posturing

Positive apnea test

Reactive pupils

8. The treatment for a basal skull fracture with otorrhea is

Head elevation and observation

Antibiotics IV

Lumbar CSF drainage

Craniotomy and dural patch

9. The motor deficiency noted with a L4, L5 herniated intervertebral disc is:

Foot drop

Paresis with extension of knee

Weakness of flexion at ankle

Loss of hip adduction

10. A patient sustains unjury to the brachial plexus with preservation of the diaphragm movement, scapular muscle motor activity, and there is no winging of the scapula. At what level is the injury?

Nerve root

Trunks

Cord

Peripheral nerve root