Past Questions - Nervous System Flashcards
What are the supporting cells in the central nervous system called?
Neuroglia
Which of the following is an element of the peripheral nervous system?
a. Receptors
b. Brachial plexus
c. Ganglia
d. Sciatic nerve
e. All of the above
Answer: e
What are most neurons in the body?
Multipolar
What is the cell body of a neuron called?
Perikaryon
Which cell is a macrophage found in the central nervous system?
Microglia
Which type of neuron is multipolar?
Both a and b
a. Motor neurons
b. Interneurons
What provides tensile strength to a neuron?
Neurofilaments
Which meninx is made of a delicate web like connective tissue?
Arachnoid
What are the conglomerations of gray matter deep within the cerebrum and cerebellum
called?
Nuclei
Which of the following is involved in the blood brain barrier?
Astrocytes
Which of the following forms myelin in the peripheral nervous system?
Schwann cells
Which of the following is an element of the central nervous system?
Spinal cord
What are motor neurons?
Multipolar
What is a collection of cell bodies outside the CNS called?
Ganglion
What is tissue which surrounds a nerve fascicle?
Perineurium
The colloquialism “gray matter” refers to somebody using his intellect or reasoning ability. In reality, what is gray matter?
Cell bodies
Where is the cerebrospinal fluid?
Subarachnoid space
Which of the following are considered to be part of the meninges?
a. Dura mater
b. Arachnoid
c. Pia mater
d. Both a and c
e. All of the above
Answer: e
What is the outer gray matter of the brain called?
Cortex
Which of the following is the most abundant neuroglia cell?
Astrocytes
Which of the following is a supporting cell found in the ganglia?
Satellite cells
Which of the following is an element of the central nervous system?
Brain
What are interneurons?
Multipolar
Which of the following is supporting cell of the central nervous system?
Astrocyte
How many neurons are in the body of man?
10,000,000,000 (10 to the 10th)
What are the gaps that occur within the myelin sheath?
Nodes of Ranvier
What is the dura mater composed of?
Dense irregular connective tissue
Where is gray matter?
Both a and c
a. Outer surface of the cerebrum and cerebellum
c. Inner portion of the spinal cord
What surrounds a nerve?
Epineurium
Which of the following lines the ventricles?
Ependymal cells
What is a collection of nerve cell bodies outside of the central nervous system called?
Ganglion
What percentage of neurons are interneurons?
99.9%
What are sensory neurons?
Both a and b
a. Unipolar
b. Pseudounipolar
What is the end of an axon called?
Terminal bouton
What is the connective tissue covering around the brain and spinal cord?
Meninges
Which meninx is made of a dense irregular connective tissue?
Dura mater
What is a group of fibers traveling together?
Tracts
Where is white matter?
Both b and c
b. Outer surface of the spinal cord
c. Inner portion of the brain
Which of the following forms myelin in the central nervous system?
Oligodendrocytes
What is the primary component of myelin?
Lipid
Which of the following is found in the cerebellum?
Basket cells
What are neurons in the retina?
Bipolar
What are the basophilic clusters of ribosomes and rough endoplasmic reticulum seen in neurons called?
Nissl
All of the following are properties of neurons, except:
High mitotic rate
Which type of neuron is also called an internuncial neuron?
Interneurons
What is white matter?
Myelinated nerve fibers
What is another term for the cell body of a neuron?
Soma
What is the covering of a nerve fiber?
Endoneurium
Which of the following is the CNS macrophage?
Microglia
Which of the following is found in the peripheral nervous system?
Schwann cells
What is the cell body of a neuron called?
Soma
Where is the ependyma found?
Both a and b
a. Lining ventricles
b. Lining spinal canal
Which type of neuron is most abundant?
Interneurons
What surrounds a bundle of nerve fibers?
Perineurium
Which meninx covers the brain intimately?
Pia mater
Which of the following is the largest neuroglia cell?
Astrocytes
Which of the following is NOT considered neuroglia?
Schwann cells
What is the innervation of an eccrine sweat gland?
Cholinergic; sympathetic
What is the innervation of an apocrine sweat gland?
Adrenergic; sympathetic
