Apregnant teenager has arrived at a free clinic seeking care. she has had no prenatal care and is currently twenty-seven weeks gestation. upon testing for a sexually transmitted disease (std), it is found that she has active t. pallidum (syphilis). given the fact that she has active syphilis at this stage in her pregnancy, it is very likely her fetus is at risk for: (select all that apply.)

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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it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.