Chapter: Nervous System Flashcards
Resting membrane potential:
-70 mv
The following features are consistent with myelinated axons, except:
Needs more ATP for propagation
The following is a characteristic of leak channels:
Don’t have gates
Autonomic division of the nervous system transmits action potentials to the following, except:
Skeletal muscles
Integrating information is present in the following
Interneurons inside the CNS
In maintaining the resting membrane potential, most potassium ions are concentrated in the:
Intracellular space
This glial cell is responsible in forming the blood-brain barrier
Astrocytes
In the maintenance of the resting membrane potential, most sodium ions are concentrated in:
Extracellular space
This glial cell is responsible in forming the myelin sheaths inside the central nervous system:
Oligodendrocytes
The nervous system is composed of the following, except
Spinal column
Which of the following statements about nerve conduction is incorrect?
Unmyelinated axons have quicker propagation
Which of the following statements about nerve conduction is incorrect?
Unmyelinated axons have quicker propagation
The following is involve for active transport and uses ATP to move ions:
Sodium-potassium pump
Truth about reflex, except:
Processed in the higher brain centers
Gray matter are colored gray because of the following:
It is composed of nerve cell bodies
The following terminology is also being used to identify sensory nerves:
Afferent fibers
The triggering of action potential that causes the inside of the cell membrane to become positively charged:
Depolarization
The following are parts of the CNS, except:
Peripheral nerve
Which among the following is not true about neurotransmitters?
It is released from the post-synaptic terminal
The following is NOT an example of glial cells in the CNS:
Schwann cells
During depolarization, the following change occurs:
Extracellular matrix become negatively charged
The reticular formation is scattered along this part of the brain:
Brainstem
The following are functions of the cerebellum, except:
Memory
Phrenic nerve is included in the following:
Cervical plexus
The following is part of the diencephalon that controls homeostasis:
Hypothalamus
The following is not a receptor mechanism, except:
Sensory pathways
The following are true about the gray matter of the spinal cord, except
Contains myelinated fibers
The primary motor cortex is located in the following:
Precentral gyrus
The following supply the nerve of the lower extremities, except:
Brachial plexus
The spinal cord terminates at the:
L1-L2 area
There are 31 pairs of spinal nerves, and each spinal nerve has their own sensory and motor components.
Both statements are correct
