EXAM #2

Question 1

Define Homotopic

Answer 1

Different Hemisphere, same side

Question 2

Heterotopic

Answer 2

Different Hemisphere, Different Spot

Question 3

Ipsilateral

Answer 3

Same Hemisphere, Different Spot

Question 4

Left Hemisphere is

Answer 4

Language Dominance

Question 5

Cells are smaller is which hemisphere

Answer 5

RIGHT HEMISPHERE

Question 6

Which hemisphere is the Interpreter ?

Answer 6

LEFT

Question 7

The WADA test is for

Answer 7

Tests both language and memory, one side of the brain is anesthetized with brevitol. To see any leakage or blockage.

Question 8

Capacity is which hemisphere is limited

Answer 8

RIGHT

Question 9

Callsotomy is done for

Answer 9

To treat seizures, involves cutting the corpus callosum and then nerves can’t send signals between the two hemispheres

Question 10

Thin Layer
Thick Layer
Bottom Layer

Answer 10

Epidermis
Dermis
Hypodermis

Question 11

Pacinian corpuscle detects

Answer 11

PRESSURE

Question 12

Receptor cells within the organ convert stimulus into a electric signal called

Answer 12

TRANSDUCTION PROCESS

Question 13

Merkels Disc detects

Answer 13

TOUCH

Question 14

Which receptor is located in the olfactory epithelium inside the nasal cavity

Answer 14

Chemoreceptors

Question 15

Which receptors are found in the skin and ears and detect pressure and touch ?

Answer 15

Mechanoreceptors

Question 16

Which receptor is a cell in the retina that responds to light ?

Answer 16

Photoreceptors

Question 17

The thalamus is the gateway to

Answer 17

The cerebral cortex

Question 18

The primary somatosensory cortex is located on

Answer 18

THE POSTCENTRAL GYRUS

Question 19

What is Neuroplasticity

Answer 19

The ability of the brain to change based on environment or experience

Question 20

Afferent pathways carry sensory input toward the CNS. Then information descends from the brain down to lower areas of sensory pathway. This is

Answer 20

TOP DOWN PROCESSING

Question 21

Sensory receptor organs are specialized to detect ?

Answer 21

A certain stimulus

Question 22

Meissners corpuscle is

Answer 22

Sensitive touch

Question 23

Descending tracts are

Answer 23

MOTOR

Question 24

Ascending tracts is

Answer 24

SENSORY

Question 25

Pacinian corspuscle is located

Answer 25

In DERMIS

Question 26

Na+ channel gates opens quickly when

Answer 26

Pressure hits instantly

Question 27

Tissue injury activates primary afferent neurons called

Answer 27

Nocicereceptors

Question 28

MRI is used for

Answer 28

Soft tissue injury

Question 29

Bottom up is

Answer 29

Stimulus Driven

Question 30

Top-down is

Answer 30

Goal driven

Question 31

Descending projections contribute to

Answer 31

Pain modulation

Question 32

Neurotransmitters involved in descending regulation

Answer 32

Noradrenaline, serotonin, dopamine, histamine, acetylcholine

Question 33

Descending regulation can alter the transmission of information from

Answer 33

Dorsal horn to higher centers

Question 34

Brown Sequard syndrome

Answer 34

Conduction associated with hemi section damage to half the spinal cord

Question 35

Classic mirror treatment

Answer 35

If the patient gets visual feedback that the phantom is obeying the brains commands the learned paralysis can be unlearned

Question 36

Osmotic thirst

Answer 36

A thirst resulting from eating salty food

Question 37

Hypovolemic thirst

Answer 37

Thirst from loss of fluids like blood or sweat

Question 38

Substance P is

Answer 38

Pain pathway released

Question 39

S1 is

Answer 39

Touch Shape Size Texture

Question 40

S2 is

Answer 40

Cold, heaviness, sensory experiences

Question 41

Substantia gelatinosa

Answer 41

collection of cells in the gray area, it receives direct input from the dorsal (sensory) nerve roots, especially those fibers from pain and thermoreceptors.

Question 42

Interneurons are

Answer 42

Inhibitory

Question 43

Circle of Willis is

Answer 43

Oxygenated blood