Question

28 mark for review betty was just diagnosed with multiple sclerosis. which of the following effects is she most likely to experience? a the neurons in her body will not be able to reach threshold, leading to fatigue. b depolarization in her neurons will not occur, causing sensory impairment. c neurotransmitters will remain in the synapse for an extended period, causing memory loss. d neural messages will travel slowly down the axon, leading to motor impairment.

Explanation:

La esclerosis múltiple es una enfermedad crónica que afecta el sistema nervioso central. Daña la myelina, la cubierta protectora de las neuronas. Esto hace que las señales nerviosas viajen más lentamente a lo largo de los axones, lo que conduce a problemas motores. Las opciones A, B y C no describen correctamente los efectos más comunes de la enfermedad.

Answer:

D. Neural messages will travel slowly down the axon, leading to motor impairment.