A&P I Nervous System

Question 1

4 Ventricles

Answer 1

Right/Left, Third, & Fourth

Question 2

1-2 Ventricle ( Lateral Ventricles)

Answer 2

Interconnected cavities that connect the third ventricles in the inter ventricular foramina

Question 3

3rd Ventricle

Answer 3

Formed by the walls of the thalamus and hypothalamus

Question 4

Cerebral Aqueduct

Answer 4

Connects the to the 4th ventricle.

Question 5

Subarachnoid Space

Answer 5

Opening that allows cerebrospinal fluid to leave the 4th ventricle.

Question 6

Choroid Plexuses

Answer 6

Makes cerebral spinal fluid. All ventricles make this fluid.

Question 7

Step 1 CSF (Cerebrospinal Fluid Flow)

Answer 7

Lateral ventricles

Question 8

Step 2 CSF (Cerebrospinal Fluid Flow)

Answer 8

Interventricular Foramina

Question 9

Step 3 CSF (Cerebrospinal Fluid Flow)

Answer 9

Third Ventricle

Question 10

Step 4 CSF (Cerebrospinal Fluid Flow)

Answer 10

Cerebral aqueduct

Question 11

Step 5 CSF (Cerebrospinal Fluid Flow)

Answer 11

Fourth Ventricle

Question 12

Step 6 CSF (Cerebrospinal Fluid Flow)

Answer 12

Subarachnoid Space

Question 13

Step 7 CSF (Cerebrospinal Fluid Flow)

Answer 13

Dural Sinuses

Question 14

Step 8 CSF (Cerebrospinal Fluid Flow)

Answer 14

Connects to the blood stream

Question 15

Diencephalon

Part of Brain Stem

Answer 15

Optic tract/chiasma, infundibulum, posterior pituitary gland, maxillary bodies, pineal gland, thalamus, hypothalamus.

Question 16

Midbrain

Part of Brain Stem

Answer 16

contains the pons, cerebral aqueduct, and corpora quadridemina. Concerned with coordinating body movement with visional/auditory stimuli

Question 17

Pons

Part of Brain Stem

Answer 17

Located between midbrain and medulla.
Anterior portions are transverse.
Posterior portions are longitudinal.

Question 18

Medulla Oblongata

Part of Brain Stem

Answer 18

Located between the pons and spinal cord

Question 19

Foramen magnum

Answer 19

End of medulla oblongata

Question 20

Vermus

Answer 20

Connects the right and left hemispheres of the cerebellum.

Question 21

Responsible for controlling and coordinating skeletal muscles and maintaining posture

Answer 21

Cerebellum

Question 22

Cerebellum communicates with others parts of the CNS

Answer 22

Cerebella peduncles

Question 23

Synaptic Cleft

Answer 23

Fluid filled space of a synapse.

Question 24

Presynaptic neuron

Answer 24

1st Neuron

Question 25

Postsynaptic neuron

Answer 25

2nd Neuron

Question 26

Na+

Answer 26

Greater concentration outside the cell.

Question 27

K+

Answer 27

Greater concentration inside the cell.

Question 28

Cl

Answer 28

Greater concentration outside the cell.

Question 29

IPSR, Increase RMP

Answer 29

Hyperpolarization

Question 30

Ligand Gated Channels

Answer 30

Potential Energy

Question 31

Voltage Gated Channels

Answer 31

Action Potential/ Depolarization (EPSP)

Question 32

Threshold

Answer 32

Must be reached to make action potential.

Question 33

EPSP, Decrease RMP

Answer 33

Depolarization

Question 34

Synoptic Knob

Answer 34

End of axon.

Question 35

Ca2 allows

Answer 35

Voltage gated channels to release neurotransmitters.

Question 36

Continuous Conduction

Answer 36

AP generated the entire length of axon

Question 37

Salutatory Conduction (Faster)

Answer 37

No voltage gates beneath myelin sheaths.