Activations, Artifacts, and Anatomy Test

During what state would it be appropriate to perform Noxious stimulation?

Induced coma

Reasons to perform photic?

To illicit a seizure like GTC

Omitting - contra indicator for photic?

Sedated and totally blind

Name activation methods for seizures other than photic

HV, sleep, sleep deprivation

Contraindicator for HV?

Sickle cell trait for patient or family

What are the contraindications for sleep deprivation

ICU setting

Moyamoya is a contraindication for which activation

HV

Moyamoya: puff of smoke, scheloris of small vessels

How to help eliminate sweat artifact

Clean area with alcohol and make room or area cooler

Name 5 eye movement artifact

Eye blink, REM, Bell’s phenomenon, lateral eye movement, slowing, scanning, flutter, nystagmus

How to eliminate electrical equipment artifact

Check ground and impedance, unplug bed, use notch filter

How to identify EKG artifact?

Spikes diffuse or generalized; time locked with EKG

How to eliminate chewing artifact

By asking them to stop chewing

How to activate glossokinetic artifact?

By asking patient to say la la la (tongue artifact)

What would best describe breach artifact

Increased amplitude of high and low frequencies occurring over a skull defect such as that caused by craniotomy, burr hole, trauma etc.

At how many ohms should all impedance be to prevent EEG artifacts

Less than 10,000 ohms

Within what range of ohms should the entire average of impedance be to attain a balanced amplifier

Within 4k ohms

Best practice if unable to eliminate EEG artifact

Make all issues know to shift leader and make annotation/docmentation

The primary somatosensory cortex is located in the ______ gyrus

Post central

Memory encoding is primarily associated with the ____

Hippocampus

Which fissure separates the frontal from the parietal lobe

Rolandic

The cerebellum is located in the posterior cranial fossa _____ to the occipital lobes and _____ to the brainstem

Inferior;dorsal

Which brainstem segment regulates temperature and helps with vision, hearing, motor control and arousal

Midbrain

The _____ is a “relay station” processing and transmitting sensory information and motor signals to the cerebral cortex , also is crucial in consciousness, attention, and memory among other roles

Thalamus

Emotional salience and fear conditioning are roles of the _____

Amygdala

List the meningeal layers from superficial to deep:

Dura

Arachnoid

Pia

CSF flows from lateral ventricles to _____ via the interventricular foramen of Monro

3rd ventricle

What is the name of the structure between the soma of a pyramidal neuron and the axon

Axon hillock