When a neuron membrane is at rest, which of the following is true?
A) There are large amounts of potassium (K+) ions inside the cells.
B) There are large amounts of sodium (Na+) ions inside the cells.
C) The potassium (K+) and sodium (Na+) ions are in balance.
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Question 2) Which type of neuron emerges from the skin or sense organs and carries messages, or impulses, toward the spinal cord and brain?
A) Motor neurons
B) Associative neurons
C) Sensory neurons
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Question 3) Which of the following systems consists of the brain and spinal cord?
A) Central nervous system
B) Peripheral nervous system
C) Autonomic nervous system
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Question 4) Another name for a nerve cell is _____.
A) neuron
B) neurilemma
C) myelin sheath
D) neuroglia
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Question 5) Neuroglia is the type of cell that _____.
A) is able to react when stimulated
B) insulates, supports, and protects neurons
C) is able to pass the nerve impulse generated by other cells
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Question 6) Inflammation of the lining of the brain and spinal cord is called _____.
A) encephalitis
B) meningitis
C) poliomyelitis
D) laryngitis
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Question 7) _____ is characterized by a shuffling gait, tremors, pill-rolling, and muscular rigidity.
A) Parkinson's disease
B) Cerebral palsy
C) Hydrocephalus
D) Epilepsy
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Question 8) _____ is a seizure disorder of the brain.
A) Parkinson's disease
B) Cerebral palsy
C) Hydrocephalus
D) Epilepsy
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Question 9) _____ is a progressive disease in which the initial symptom is usually a problem remembering recently learned information.
A) Dementia
B) Alzheimer's disease
C) Multiple sclerosis
D) Cerebral palsy
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Question 10) _____ is a chronic inflammatory disease of the central nervous system in which immune cells attack the myelin sheath of the nerve cell axons.
A) Cerebral palsy
B) Poliomyelitis
C) Multiple sclerosis
D) Encephalitis
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