TRUE OR FLASE QUESTIONS 1) Sympathetic pathways have very long post-ganglionic f
ID: 3518639 • Letter: T
Question
TRUE OR FLASE QUESTIONS
1) Sympathetic pathways have very long post-ganglionic fibers.
2) Parasympathetic pathways have a ganglion very close to the target organ.
3) A touch receptor will generate an action potential.
4) A motor neuron will carry a graded potential down its axon.
5) Charged particles like ions can cross cell membranes more easily than
nonpolar molecules like oils.
6) Proprioception is the awareness of lateral acceleration.
7) Nociceptors are small but elaborate multicellular structures.
8) Equilibrium is considered to be a special sense.
9) Lateral inhibition can enhance visual acuity.
10) Lateral inhibition occurs where a neuron sensitizes adjacent neurons to
stimuli.
11) A Neuron has enough potassium ions to generate about ten action
potentials if the Na/K pumps were to stop working.
12) Cerebrospinal fluid completely recirculates three times a day..
13) Viscerosensory input is sent directly to the thalamus.
14) Autonomic pathways only involve one neuron.
15) The axons and dendrites that run between ganglia are typically heavily
myelinated.
Explanation / Answer
Hi , I will be explaining the false statements.
1. True
2. True
3. True
4. True
5. True
6. True
7. Trur
8. True
9.True
10. False .Lateral inhibition is capacity of excited neuron to reduce the activity of its neighbours.It disables spreading of Action potentials from excited to neighbouring neurons.
11. False. If Na/K pump stops, action potential will npt be generated at all.
12. False. CSF circulates 3-4 times in a day.
13. False. Viscerosensory receptors include nociceptors responsible for transducing noxious stimuli which travel back to spinal cord on sympathetic nerves.
14. False.
15. False. Dendrites are not myelinated.
Hope all answers are clear
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