ASU BIO 201 UPDATED ACTUAL Exam
Questions and CORRECT Answers
3 basic parts of the neuron - CORRECT ANSWER - cell body, dendrites, axon
3 different types of neurons - CORRECT ANSWER - multipolar, bipolar, pseudounipolar
endoneurium - CORRECT ANSWER - dense irregular connective tissue that surrounds
each nerve fiber
perineurium - CORRECT ANSWER - irregular connective tissue that surrounds each
fascicle
epineurium - CORRECT ANSWER - delicate irregular connective tissue that surrounds
the entire nerve
astrocytes - CORRECT ANSWER - blood brain barrier, star shaped cell
microglia - CORRECT ANSWER - Act as phagocytes, eating damaged cells and bacteria,
act as the brains immune system
oligodentrocyte - CORRECT ANSWER - produce myelin in the central nervous system
Schwann cells - CORRECT ANSWER - produce myelin in the peripheral nervous system
Ependymal cells - CORRECT ANSWER - produce cerebrospinal fluid
excitability - CORRECT ANSWER - ability to respond to stimuli
, conductivity - CORRECT ANSWER - the ability of the cell to carry the excitation
response along the length of the nerve cell axon
threshold - CORRECT ANSWER - When the depolarization reaches a point that is
irreversible
the main cation in the nerve cell - CORRECT ANSWER - potassium
The extracellular compartment has a relatively high concentration of ( 1. ) and low concentration
of ( 2. ) - CORRECT ANSWER - 1. sodium (Na+) 2. potassium (K+)
potential is maintained at rest by - CORRECT ANSWER - sodium-potassium pump
the basic division of the nervous system (2) - CORRECT ANSWER - CNS and PNS
the brain - CORRECT ANSWER - a complex mass of nerve, connective, and epithelial
tissue
the four anatomic and functional regions - CORRECT ANSWER - cerebrum,
diencephalon, cerebellum, brainstem
The brain contains a system of fluid filled cavities (spaces) called the - CORRECT
ANSWER - ventricles
ventricles - CORRECT ANSWER - filed with cerebrospinal fluid (CSF), which is derived
from the plasma, and serves to protect the brain by allowing it to float in the insulating fluid of
the CSF
Questions and CORRECT Answers
3 basic parts of the neuron - CORRECT ANSWER - cell body, dendrites, axon
3 different types of neurons - CORRECT ANSWER - multipolar, bipolar, pseudounipolar
endoneurium - CORRECT ANSWER - dense irregular connective tissue that surrounds
each nerve fiber
perineurium - CORRECT ANSWER - irregular connective tissue that surrounds each
fascicle
epineurium - CORRECT ANSWER - delicate irregular connective tissue that surrounds
the entire nerve
astrocytes - CORRECT ANSWER - blood brain barrier, star shaped cell
microglia - CORRECT ANSWER - Act as phagocytes, eating damaged cells and bacteria,
act as the brains immune system
oligodentrocyte - CORRECT ANSWER - produce myelin in the central nervous system
Schwann cells - CORRECT ANSWER - produce myelin in the peripheral nervous system
Ependymal cells - CORRECT ANSWER - produce cerebrospinal fluid
excitability - CORRECT ANSWER - ability to respond to stimuli
, conductivity - CORRECT ANSWER - the ability of the cell to carry the excitation
response along the length of the nerve cell axon
threshold - CORRECT ANSWER - When the depolarization reaches a point that is
irreversible
the main cation in the nerve cell - CORRECT ANSWER - potassium
The extracellular compartment has a relatively high concentration of ( 1. ) and low concentration
of ( 2. ) - CORRECT ANSWER - 1. sodium (Na+) 2. potassium (K+)
potential is maintained at rest by - CORRECT ANSWER - sodium-potassium pump
the basic division of the nervous system (2) - CORRECT ANSWER - CNS and PNS
the brain - CORRECT ANSWER - a complex mass of nerve, connective, and epithelial
tissue
the four anatomic and functional regions - CORRECT ANSWER - cerebrum,
diencephalon, cerebellum, brainstem
The brain contains a system of fluid filled cavities (spaces) called the - CORRECT
ANSWER - ventricles
ventricles - CORRECT ANSWER - filed with cerebrospinal fluid (CSF), which is derived
from the plasma, and serves to protect the brain by allowing it to float in the insulating fluid of
the CSF
