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Myelin: Quiz


Question 1: odd sensation in legs, arms, chest, or face, such as tingling or numbness (________);
ICD-10 Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findingsPneumoniaSymptomPeripheral neuropathy

Question 2: While there have been some encouraging results in mice (via ________ transplantation), it is still unknown whether this technique can be effective in replacing myelin loss in humans.
Stem cellUmbilical cordEmbryoDevelopmental biology

Question 3: It is essential for the proper functioning of the ________.
Sensory systemNervous systemIntracranial pressureAlzheimer's disease

Question 4: [1] Myelin was discovered in 1854 by ________ [2].
Rudolf VirchowMedicineAryan raceCraniometry

Question 5: Schwann cells supply the myelin for peripheral neurons, whereas oligodendrocytes, specifically of the interfascicular type, myelinate the axons of the ________.
Central nervous systemGrey matterAlpha motor neuronWhite matter

Question 6: Some of the proteins that make up myelin are ________ (MBP), myelin oligodendrocyte glycoprotein (MOG), and proteolipid protein (PLP).
Merlin (protein)PSEN2Myelin basic proteinPerforin

Question 7: Myelin is a dielectric (electrically insulating) material that forms a layer, the myelin sheath, usually around only the ________ of a neuron.
Alpha motor neuronAxonNervous systemSchwann cell

Question 8: ________ (axon hillock, axon terminals, axoplasm, axolemma, neurofibril/neurofilament)
Schwann cellNervous systemNeuronAxon

Question 9: Myelin is composed of about 80% ________ and about 20% protein.


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