1. Define dendrites and axons. How do dendrites differ from axons? Please list them all. 2. Name the functions of axons. 4. Name the functions and location of a neuron. 5. How are the Glial cells significant to a neuron? 6. True or False. The gray matter is composed of bundles of axons. 7. Define the following terms. Myelin: Oligodendrocytes: Schwann cells: 8. are gaps in the myelin sheath between adjacent Schwann cells. These are also widely spaced. 9. What is the function of the myelin sheath for the axons? 10. What is the function of Schwann cells and where are they located? 11. In the axons of the Central Nervous System, myelin sheaths are formed by . 12. In the Peripheral Nervous System, myelin sheaths are formed by . 13. The regions of the brain and the spinal cord are known as the White matter and the Gray matter. True or False. The White matter is dense of collections of myelinated fibers while the Gray matter is where the soma is located and it contains unmyelinated fibers. 14. Define synapse. What does it consist of? 15. At -70mV, ______________________ is said to be reached thus creating an action potential. 16. An action potential is created by the inflow of this major cation ______________ and outflow of this major cation ______________ across the cell membrane. 17. The area of a neuron that receives an electrical impulse is known as a(n) _________________________. 18. The next area the impulse will travel thru is the body of. In a neuron this is referred to as what? ________________________________. 19. After passing through the body of the cell, the electrical impulse will exit the neuron through a(n) __________________________. 20. Electrical impulses travel through neurons quickly because of what insulating feature specific to the nervous system? ________________________________________ 21. The feature from Question 1 above is made of specific cells called _____________________________. 22. Of the two types of insulating cells discussed, Oligodendrocites are associated with the Central Nervous System and _________________________ are associated with the Peripheral Nervous System. 23. The gaps on a neuron that have no insulation are called what? __________________________________________________ 24. Which of the following is branched when referring to the neuron? Choose one answer from A)Axon B) Dendrite C) Schwann Cells 25. List all the ways oligodendrocytes differ from Schwann Cells in what ways? 26. True of false: Action potentials are a result of the entire axon depolarizing at once. 27. The reason action potentials travel faster along myelinated axons as opposed to unmyelinated axons is that: Choose the correct answer: A) saltation B) a domino-like depolarization of the axon without cessation. C) myelin allows the action potential to travel along the axon without depolarization, except at the Nodes of Ranvier. D) Both A and B E) Both A and C 28. Axon terminals communicate with the dendrites of other neurons via __________.

1. 1. Define dendrites and axons. How do dendrites differ from axons? Please list them all.
2. Name the functions of axons.
4. Name the functions and location of a neuron.
5. How are the Glial cells significant to a neuron?
6. True or False. The gray matter is composed of bundles of axons.
7. Define the following terms.
Myelin:
Oligodendrocytes:
Schwann cells:
8. are gaps in the myelin sheath between adjacent Schwann cells. These are
also widely spaced.
9. What is the function of the myelin sheath for the axons?
10. What is the function of Schwann cells and where are they located?
11. In the axons of the Central Nervous System, myelin sheaths are formed by .
12. In the Peripheral Nervous System, myelin sheaths are formed by .
13. The regions of the brain and the spinal cord are known as the White matter and the Gray
matter. True or False. The White matter is dense of collections of myelinated fibers while
the Gray matter is where the soma is located and it contains unmyelinated fibers.
14. Define synapse. What does it consist of?
15. At -70mV, ______________________ is said to be reached thus creating an action
potential.
16. An action potential is created by the inflow of this major cation ______________ and
outflow of this major cation ______________ across the cell membrane.
17. The area of a neuron that receives an electrical impulse is known as a(n)
_________________________.
18. The next area the impulse will travel thru is the body of. In a neuron this is referred to as
what? ________________________________.
19. After passing through the body of the cell, the electrical impulse will exit the neuron
through a(n) __________________________.
20. Electrical impulses travel through neurons quickly because of what insulating feature
specific to the nervous system? ________________________________________
21. The feature from Question 1 above is made of specific cells called
_____________________________.
22. Of the two types of insulating cells discussed, Oligodendrocites are associated with the
Central Nervous System and _________________________ are associated with the
Peripheral Nervous System.
23. The gaps on a neuron that have no insulation are called what?
__________________________________________________
24. Which of the following is branched when referring to the neuron? Choose one answer
from A)Axon B) Dendrite C) Schwann Cells
25. List all the ways oligodendrocytes differ from Schwann Cells in what ways?
26. True of false: Action potentials are a result of the entire axon depolarizing at once.

2. 27. The reason action potentials travel faster along myelinated axons as opposed to
unmyelinated axons is that: Choose the correct answer:
A) saltation
B) a domino-like depolarization of the axon without cessation.
C) myelin allows the action potential to travel along the axon without depolarization,
except at the Nodes of Ranvier.
D) Both A and B
E) Both A and C
28. Axon terminals communicate with the dendrites of other neurons via
__________________.
29. Depolarization of an axon is caused by what?
30. What causes repolarization?
31. The network of connected filaments and tubules that extends from the nucleus to the
plasma membrane which helps maintain the cell shape and allows cells and organelles to
move is called the _________________.
32. There are three types of cytoskeletal components. A)__________aid in the changes of a
cells shape. B)_____________maintains the cells shape and C)____________also helps
to maintain the cells shape, but also aids in the movement of organelles and cell mobility.
33. True/False: In order from superficial to deep, the meninges of the brain are the dura
mater, pia mater, arachnoid mater.
Autonomic Nervous System (ANS) Worksheet
1. What is another common name for the Autonomic Nervous System?
2. There is a sensory and motor division of the Peripheral Nervous System (PNS). Is the
Autonomic Nervous System a part of the efferent or afferent division of the PNS and what does
the term mean?
3. What are two target tissues that the ANS effects?
4. The ANS is categorized into two specific divisions. What are they?
5. Which of the divisions in #4 is associated with increased heart rate, blood pressure, and blood
glucose levels?
6. Which of the divisions in #4 is associated with bodily maintenance and calming of bodily
functions?
7. The ANS is made up of ____________ neurons of the reflex arc.
8. Two different neurons span the distance from the Central Nervous System to the effectors, the
_____________________ neuron and _________________ neuron.
9. True or False. ANS actions are not automatic.
10. What is the primary parasympathetic cranial nerve?
11. True or False. The ANS is regulated by the cerebral cortex, hypothalamus, reticular
formation, and spinal cord.
13. If a person were in fight or flight mode would the blood vessels going to skeletal muscle
vasoconstrict or vasodilate?