BIO 253 EXAM 2 LATEST ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALE
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Course
BIO 253
Institution
BIO 253
BIO 253 EXAM 2 LATEST ACTUAL EXAM 100
QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALE
What Is The Function Of The Nervous System? - Answer️️ -- master regulatory
system
- sends and receives information
- maintains homeostasis
-acts as center for thought, learning, and memory
What ...
What Is The Autonmic NS? - Answer✔️✔️-transmits INVOLUNTARY instructions from the
CNS to smooth muscles, cardiac muscle, and glands.
What Does The Cell Body Consist Of? - Answer✔️✔️-1. neurofilaments
2. chromatophilic substance
What Does The Axon Consist Of? - Answer✔️✔️-1. axon hillock
2. collaterals
3. axon terminal
4. synaptic knob
5. may be myelinated
What Is A Schwann Cell? - Answer✔️✔️-- PNS neuroglia that encase axon in a sheath
- schwann cell wrap tightly around axon in layers composed of of myelin a lipoprotein
mixture
- coating is called the Myelin Sheath
- Nodes of Ranvier
What Are The Nodes Of Ranvier? - Answer✔️✔️-gaps in myelin sheath between
schwann cells.
What Are Multipolar Neurons? - Answer✔️✔️-- 99% of neurons
- many processes
- most neurons of CNS
What Are Bipolar Neurons? - Answer✔️✔️-- two processes
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