Exam I material

Question 1

Sensory neurons enter the spinal cord via the ____ root

Answer 1

Dorsal

Question 2

_____ excitation of the cerebral cortex is necessary for almost all cortical activity

Answer 2

thalamic

Question 3

Sensory neurons enter the spinal cord via the dorsal root and then synapse with the interneurons and/or motor neurons in the ______ matter

Answer 3

gray

Question 4

Motor neurons exit the spinal cord via the _____ root to go to effectors

Answer 4

Ventral

Question 5

What makes up gray matter?

Answer 5

Neuron cell bodies & interneurons

Question 6

What makes up white matter?

Answer 6

Neurons axons

Question 7

The dorsal columns & spinothalamic tract contains:

Answer 7

Ascending sensory axons

Question 8

The corticospinal tract contains:

Answer 8

Descending motor axons

Question 9

Dorsal column contains sensory information including:

Answer 9

Vibration
Position
Two-point discrimination
Deep touch

Question 10

Is the dorsal column ipsilateral or contralateral?

Answer 10

Ipsilateral

Question 11

Carries information from the same side of the body

Answer 11

Ipsilateral

Question 12

Is the dorsal column tract motor or sensory?

Answer 12

Sensory

Question 13

Is the corticospinal tract motor or sensory?

Answer 13

Motor

Question 14

Is the corticospinal tract ipsilateral or contralateral?

Answer 14

Ipsilateral

Question 15

The corticospinal tract contains motor information including:

Answer 15

Paralysis
Paresis
Spasticity
Hyper-reflexia
Clonus
Babinski sign

Question 16

The corticospinal tract contains descending axons that are carrying motor information to control _____ on the same side of the body

Answer 16

Skeletal muscles

Question 17

Is the spinothalmic tract motor or sensory?

Answer 17

Sensory

Question 18

Is the spinothalmic tract ipsilateral or contralateral?

Answer 18

Contralateral

Question 19

The spinothalmic tract contains sensory axons that transmit information up to the brain about:

Answer 19

Pain & temperature

Question 20

The brain breaks down into what six sections?

Answer 20

1. Cerebrum
2. Diencephalon
3. Midbrain
4. Pons
5. Medulla Oblongata
6. Cerebellum

Question 21

The cerebral cortex is considered what type of matter?

Answer 21

Grey matter

Question 22

What specialized areas reside within the frontal lobe of the cerebrum?

Answer 22

Premotor cortex, Primary motor cortex, Prefrontal cortex & Broca’s area

Question 23

What specialized areas reside within the parietal lobe of the cerebrum?

Answer 23

Primary sensory cortex & Primary gustatory cortex

Question 24

What specialized areas reside within the temporal lobe of the cerebrum?

Answer 24

Primary auditory cortex, Primary olfactory cortex, Wernicke’s area

Question 25

What specialized areas reside within the occipital lobe of the cerebrum?

Answer 25

Primary visual cortex

Question 26

For each sensory type there is ____ area & this is what receives the sensory information and allows us to perceive it. However there is also a _____ area & this provides the context & meaning

Answer 26

Primary area Association area

Question 27

In about 95% of people the left hemisphere is the _________ hemisphere

Answer 27

Dominant/Categorical

Question 28

Allows for information stored in one hemisphere available to the opposite hemisphere

Answer 28

Corpus callosum

Question 29

Receive & analyze signals from multiple regions of both sensory & motor cortices & subcortical areas

Answer 29

Association areas

Question 30

Brocas area is located in the ____ lobe Wernicke's area is located in the ____ lobe

Answer 30

Frontal lobe Temportal lobe Mr. Broca puts on a FRONT Mr. Wernicke has a TEMPer

Question 31

Where are the preganglionic neurons located in the SNS?

Answer 31

Lateral grey horn of spinal cord

Question 32

Where are the preganglionic neurons lcoated in the pNS

Answer 32

Motor nuclei of cranial nerves (3, 7, 9, 10)

Question 33

In the autonomic nervous system, all preganglionic fibers release ____ that bind to _____ on the postganglionic neuron

Answer 33

ACH Nicotinic receptors (type NN)

Question 34

Acetylcholine actives ____ receptors in the auto

Answer 34

Nicotinic