nyshhla study for exam 2

Question 1

each neuron communicates directly with up to ____neurons

Answer 1

2000 neurons

Question 2

which subsystem is directly responsible for the fight or flight response?

Answer 2

sympathetic system

Question 3

the nervous system breaks down into the ____ and the ____

Answer 3

CNS and PNS

Question 4

the PNS breaks down into the ____and _____

Answer 4

autonomic NS and somatic NS

Question 5

the PNS is made up of how many cranial nerves and how many spinal nerves?

Answer 5

12 CN 31 SN

Question 6

subsystem that responds to stimulation through energy expenditure____

Answer 6

sympathetic system

Question 7

which subsystem of the autonomic nervous system counters the responses of the sympathetic system?

Answer 7

parasympathetic system

Question 8

seatbelts reduce death from MVA by ___%

Answer 8

50

Question 9

what is the largest structure of the nervous system?

Answer 9

cerebrum

Question 10

name for the spaces within the brain through which CSF (cerebrospinal fluid) flows:

Answer 10

ventricles

Question 11

which sulcus divides the temporal lobe from the frontal and parietal lobe?

Answer 11

lateral sulcus

Question 12

what are the three meningeal layers of the cerebrum?

Answer 12

dura mater (most superficial)
arachnoid mater (lacy, spider like structure with many blood vessels)
pia mater (thin membranous covering that closely contours brain; major arteries and veinns serving the surface of the brain course within this layer)

Question 13

what is a subdural hematoma?

Answer 13

a blood bruise beneath the dura mater.

Question 14

within each ventricle is a ____ ____, an accumulation of tissue that produces csf.

Answer 14

choroid plexus.

Question 15

what connects the cerebral cortex with the medulla oblongata?

Answer 15

pons

Question 16

which structure connects with the brainstem, spinal cord, and cerebral cortex by means of superior, middle, and inferior peduncles?

Answer 16

cerebellum

Question 17

the inability to perform rapid alternating movement of hand or mouth is known as:

Answer 17

dysdiadochokinesia

Question 18

what do cranial nerves and nuclei arise from and basic body functions of life are maintained?

Answer 18

brainstem

Question 19

the large, dual-lobed mass of gray matter located at midbrain is known as:

Answer 19

the thalamus.

Question 20

the portion of the hindbrain that controls autonomic function such as digestion, heartrate, and blood vessels, swallowing, and sneezing is known as:

Answer 20

medula

Question 21

the crossover fibers near junction of medulla is known as:

Answer 21

pyramidal decussation

Question 22

the involuntary rapid eye movements either side to side or up and down is known as:

Answer 22

nystagmus

Question 23

the midbrain and hindbrain makes up which structure?

Answer 23

the brainstem

Question 24

the group of nerve fibers located inside the brainstem that spans medulla, pons, and midbrain is known as

Answer 24

reticular formation

Question 25

the neural system that is located below the cerebral hemispheres, associated with emotions and drives is known as:

Answer 25

limbic system

Question 26

a group of large nuclei that partially surround the thalamus within subcortical cortex is known as:

Answer 26

basal ganglia

Question 27

the system of blood vessels that provide the means of draining carbon-dioxide laden blood to the lungs from reoxygenation is known as:

Answer 27

veins

Question 28

what type of imaging is based on the capacity of MRI to detect signals related to movement of water molecules?

Answer 28

Diffusion weighted imaging (DWI)

Question 29

which cerebral hemmorh has a hyperdense collection in the subdural space between arachnoid mater and pia batter?

Answer 29

subdural cerebral hemmorrhage.

Question 30

which cerebral hemorrha has a huperdense collection in the parenchyma?

Answer 30

intraparenchymal.

Question 31

the limbic system is related to what 4 functions?

Answer 31

motivation, emotion, sexdrive, affect.