Bio 252 Exam #1 Questions with 100% Correct Answers Already Passed
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Course
Bio 252
Institution
Bio 252
Bio 252 Exam #1 Questions with 100%
Correct Answers Already Passed
Peripheral Nervous System has 2 divisions - Sensory Division and
Motor Division
Sensory Division - Somatic Sensory
Visceral Sensory
Motor Division - Somatic Motor
Visceral Motor
Rectus Abdominis functional group - Somatic Mo...
Peripheral Nervous System has 2 divisions - ✔✔Sensory Division and
Motor Division
Sensory Division - ✔✔Somatic Sensory
Visceral Sensory
Motor Division - ✔✔Somatic Motor
Visceral Motor
Rectus Abdominis functional group - ✔✔Somatic Motor
Pain Receptor in skin functional group - ✔✔Somatic Sensory
Stretch Receptor in the bladder functional group - ✔✔Visceral Sensory
Mucus Secreting gland in stomach functional group - ✔✔Visceral Motor
Visceral Motor Division's two divisions - ✔✔Sympathetic division
Parasympathetic division
(digestion, heart rate)
,Neurons are: - ✔✔1) excitable: responsive to external stimuli
2) conductive: electrical signals are propagated
3) secrete: neurotransmitters are released
Neuron's major job of the body - ✔✔To relay signals or decision makers
3 functional groups of neurons - ✔✔1)Sensory neurons (PNS)
2) Interneurons (CNS)
3) Motor neurons (PNS)
*Sensory and Motor neurons can be in CNS
Nissl bodies - ✔✔A patch of rough ER: ribosomes and protein synthesis
Lack centrioles: needed for cell division.
Neurons are sometimes referred to as post-mitotic or amitotic
The axon branches are called:
The movement of signals in axons are: - ✔✔axon collateral
Schwann cells - ✔✔a type of glial cells: the other type of cell that makes up
nervous tissue
, Wraps around the axon and the layers represents the cell's membrane
The axon has many many layers of phospholipids wrapped around it
(schwann cells) making it: - ✔✔Lipid dense
Hydrophobic
Electrically insulated
Microtubule - ✔✔Units of proteins that lead to nucleus
Motor Proteins - ✔✔Dyneins
Kinesins
use ATP to move back and forth among microtubules
- grab other things in the cell
(proteins, mitochondria, neurotransmitters and place them in other parts of
the cell)
anterograde transport
uses____?
Which way does it move? - ✔✔kinesis
move away from soma
retrograde transport:
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