NAU Bio 201 Exam 3 Study Guide with Complete Solutions
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Course
Nothern Arizona University
Institution
Nothern Arizona University
NAU Bio 201 Exam 3 Study Guide with
Complete Solutions
Astrocytes (CNS) - Answer️️ -for blood brain barrier; control
external environment of neurons
Microglia - Answer️️ -Act as phagocytes, eating damaged cells and
bacteria, act as the brains immune system
Oligodendrocytes - Answer️...
satellite cells - Answer✔️✔️-surround neuron cell bodies in PNS
Schwann cells - Answer✔️✔️-produce myelin in PNS
resting membrane potential - Answer✔️✔️--70mV
graded potential - Answer✔️✔️-a shift in the electrical charge in a
tiny area of a neuron
Hyperpolarization - Answer✔️✔️-The movement of the membrane
potential of a cell away from rest potential in a more negative
direction.
inhibits
Depolarization - Answer✔️✔️-Loss of a state of polarity; loss or
reduction of negative membrane potential
excites
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