Word Elements:
Classwork Assignment: STUDY GUIDE Chapter 7: The Nervous System
Name: Period: Date:
Central Nervous System (CNS) includes which two structures:
The major subdivision of the Nervous System that includes the cranial and spinal nerves and all the nerves throughout the body:
Subdivision of the PNS that controls voluntary activities:
This subdivision activates which type of muscles?
Subdivision of the PNS that regulates involuntary activities:
This subdivision activates which effectors? (three answers)
Subdivision of the ANS that prepares the body during threatening situations so you can fight or run (fight-or-flight):
Subdivision of the ANS normally in control (rest-and-digest):
The neurotransmitter of the sympathetic nervous system that increases heart rate and breathing:
Determine which subdivision of the nervous system (sympathetic or parasympathetic) is in control during the following activities:
1. Increased peristalsis – Increased blood pressure –
2. Stored glycogen released from liver – Salivary glands secrete saliva –
3. Increased breathing rate (respiration) – Pupils are constricted –
4. Increased blood flow to digestive organs – Decreased heart rate –
1. Type nerve cells responsible for support and protection (“nerve glue”):
2. Type of nerve cell that conducts impulses:
Type of neuron that conveys impulses TO the CNS from sensory receptors: (two names)
Type of neuron that conveys impulses FROM the CNS to organs, muscles, glands: (two names)
3. Type of neuron called association neurons that connect motor and sensory neurons:
4. Part of neuron that contains the nucleus and organelles:
5. Branches of a neuron that receive stimuli and convey incoming messages toward the cell body:
6. The process of a neuron cell body that conduct impulses away from the cell body:
7. Bulbs at the ends of axons that contain vesicles (sacs) filled with chemicals:
The space between two communicating neurons into which chemicals are released:
Chemicals released from the ends of axons to stimulate other neurons, muscles, or glands:
The lipid (fatty) covering around axons that insulates to speed transmission of nerve impulse:
Gaps in the myelin sheath:
8. The term for sensory receptors in the skin that detect temperature, pressure, and pain:
9. Specific name for deep pressure receptors:
10. Specific name for light touch receptors:
11. Specific name for pain receptors:
12. Sensory receptors in muscles and tendons that detect degree of stretch to inform the brain of body position:
A rapid, predictable involuntary response to a stimulus:
13. Reflexes that regulate the activity of smooth muscles, heart muscle, and glands:
14. Give 4 examples of this type of reflex:
15. The reflex that protects the retina from too much light:
16. Reflexes that stimulate skeletal muscles:
17. Give 6 examples of this type of reflex:
18. The reflex that extends your knee when the patellar tendon is tapped:
19. List the 5 elements of a reflex arc in order beginning with the stimulus:
The fluid in the brain and spinal cord:
20. Superior and largest part of the brain, composed of four lobes:
21. The right and left halves of this major portion of the brain:
22. Elevated ridges of the cerebrum that look like twisted tubes:
23. Shallow grooves between the ridges:
24. The groove that separates the frontal and parietal lobes:
25. Deeper groove that separates the cerebral hemispheres:
26. Lobe of the cerebrum containing the primary motor area:
27. The gyrus containing the primary motor area located in front of the central sulcus:
28. Lobe of the cerebrum containing the primary sensory area:
29. The gyrus behind the central sulcus containing the primary sensory area:
30. Lobe of the cerebrum containing the auditory area:
31. Lobe of the cerebrum containing the visual area:
32. The right side of the body is controlled by the side of the brain.
33. Relay station for sensory impulses, sends incoming impulses to the appropriate brain area:
34. Regulates body temperature, water balance (thirst), metabolism, part of pleasure center, regulates pituitary gland (endocrine system):
35. The three major parts of the brain stem:
36. Specific part of brain stem that controls vital reflexes, such as heart rate, blood pressure, breathing:
37. Specific part of brain stem containing reflex centers for regulating the rhythm of involuntary breathing:
38. Major brain structure that controls coordination of skeletal muscle activity, balance and equilibrium:
Connective tissue membrane coverings of brain and spinal cord:
The outermost tough membrane layer:
The space below this layer:
The space above this layer:
The middle web-like membrane layer, resembles a spider web:
The space under this layer:
The delicate innermost layer, vascular, attached to brain and spinal cord:
39. The pairs of spinal nerves in order from superior to inferior:
40. Autoimmune disorder in which the myelin sheath hardens and “short circuits” the electrical impulse; the affected person loses the ability to control skeletal muscles:
41. Blood circulation to the brain is blocked and brain cells die, also called a stroke:
42. Paralysis of all four limbs due to damage to cervical spinal cord:
43. Paralysis of only lower limbs due to damage to lumbar spinal cord:
44. When muscles are no longer stimulated, they waste away. This is called:
45. Low blood pressure resulting from sudden change from lying to standing straight:
46. Diagnostic procedure for removing CSF from the inferior meningeal sac:
47. Recording the electrical activity in the brain:
[pic]
48. Identify the following parts of the neuron shown above:
Letter A – Letter C – Letter E –
Letter B – Letter D – Letter F –
[pic]
49. Identify the following parts of the brain shown above:
Letter A – Letter J –
Letter B (lobe and specific gyrus) – Letter M –
Letter C (lobe and specific gyrus) – Letter I –
Letter F – Letter H –
-----------------------
D
E
F
A
C
B
B
A
H
................
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