Neuro A&P

Question 1

Action potentials develop in nerve and muscle fibers in response to..

Answer 1

depolarization

Question 2

Name the main structures that compose the brainstem

Answer 2

The brainstem contains nuclei for most of the cranial nerves and connects critical pathways in the brain and spinal cord to the entire body. It’s subdivided into: medulla, Pons, Midbrain

Question 3

What does the corpus callosum connect?

Answer 3

Right and Left hemispheres

Question 4

The central sulcus is the boundary between which 2 lobes?

Answer 4

Frontal and parietal and the transition zone between primary motor and primary somatosensory cortex

aka rolandic fissure

Question 5

What is the approximate resting membrane potential of a neuron?

Answer 5

-70mv

Question 6

The meninges are the outer coverings of what structures?

Answer 6

Brain and spinal cord

Question 7

What eletophysiological events are thought to generate the EEG signal

Answer 7

Excitatory postsynaptic potentials (EPSP) and inhibitory post synaptic potentials (IPSP)

Question 8

Where is the receptive speech area (Wernickle’s) located in the brain

Answer 8

In the supramarginal and angular gyri of the partial lobe, also includes adjoining regions of the temporal and occipital lobes in the dominant hemisphere

Question 9

Where is the primary somatosensory cortex located in the brain?

Answer 9

Post central gyrus of the parietal lobe. This gyrus is directly posterior to central sulcus

Question 10

Where is the motor speech area (Broca’s Area) located in the brain?

Answer 10

Inferior frontal gyrus in the frontal lobe in the dominant hemisphere