Chapters 11 & 12 Flashcards
Collections of nerve cell bodies outside of the CNS are called:
ganglia
Excess cerebrospinal fluid is drained into the:
Superior sagittal sinus
Which of the following stages of sleep involves very difficult arousal, bed-wetting, and nightmares?
NREM-4
Neurons are responsible for which of the following functions?
Transferring and processing in the nervous system
Which of the following is a true statement about MS?
It involves the demyelination of axons
When sodium channels are inactivating and potassium channels are open, it is known as:
repolarization
The Brian stem consists of which of the following?
Midbrain, pons, and medulla
The blood brain barrier is effective against which of the following?
Urea
Complex synaptic terminals exist at which of the following?
Neuromuscular junctions
Cranial nerves V, VI, and VII originate in which of the following?
Pons
The part of the nervous system that governs conscious activities is the:
somatic
The myelin sheaths wrapped around axons, within the brain and spinal cord, are formed by which of the following?
Oligodendrocytes
When intensive stimulation causes resynthesis and transport mechanisms of acetylcholine to be unable to keep pace with demands for ACh, these events are called:
Synaptic fatigue
Which of the following is the vital center for control of respiration and blood pressure?
Medulla
Which of the following layers of the meninges is tightly bound to the surface of neural tissue?
Pia mater
