Mona is a 20-year-old student. mona is training to be a professional gymnast. she often restricts her diet to salads and fruit juices and trains 8 hours a day because she feels she needs to control her weight to perform well in competitions. she has noticed that her menstrual cycles have become irregular. on consulting a doctor, she is informed that her bone density is low. mona's symptoms indicate that she is mostly likely suffering from

answer; /// i believe the correct answer is (thrombocytopenia); (a)

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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