quiz 12.2
axons
A nerve is a bundle of _____ carrying messages between the central nervous system and various parts of the body
true
A person with explosive disorder is prone to extreme rages.
true
The brain contains four interconnected cavities called ventricles.
arachnoid layer
Which layer of the meninges forms weblike filaments?
Parkinson's disease
Which of the following conditions is characterized by fine tremors, muscle rigidity, and a shuffling gait?
brain and spinal cord
Which of the following is one of the two main components of the central nervous system?
neuroglial cells conduct electrical impulses
Which of the following statements regarding neuroglial cells is NOT true?
gyri
Which of the following terms describes the elevated portions, or convolutions, on the surface of the cerebrum?
cerebellum
Which part of the brain coordinates voluntary body movements and maintains balance
thalamus
Which part of the brain serves as a center for relaying impulses from the eyes, ears, and skin to the cerebrum?
regional
Which type of anesthesia is also known as a nerve block?
absence seizure
Which type of seizure is also called a petit mal seizure?
nerve conduction velocity
diagnostic test measures how fast an impulse travels along a nerve
tremor
involuntary repetitive alternating movement of a part of the body
analgesic
medication to treat minor pain
myelogram
record of the spinal cord
false
sensory nerves carry commands to muscles and glands
laminectomy
surgical procedure removes part of a vertebra to relieve pressure on a spinal nerve
false
t/f: A psychologist is a physician specializing in treating mental disorders.
false
t/f: A tractotomy is a surgical procedure used to drain excess cerebrospinal fluid from the brain and shunt it toward the abdominal cavity.
paresthesia
the medical term for an abnormal sensatino such as burning or tingling
aura
unusual sensation that occurs before a seizure
subdural hematoma
collection of blood within the meninges
convulsion
alternation between involuntary muscle contractions and relaxations