20PTS PLEASE HELP ASAP Write a step-by-step explanation of how a signal travels from the synapse of one end of a neuron to the other end of a neuron. Include the names of the neuron parts to properly describe the pathway of the electrochemical signal.

Wjat are substances intentionally added to food to produce a desired effect?

An 80-year-old woman comes to the urgent care clinic with dyspnoea on exertion. on physical examination, her blood pressure is 100/70, and her pulse is 75. she has no pulsus paradoxus. her jugular veins are distended, and she has distant heart sounds. in addition, she has extra third and fourth heart sounds. her liver is enlarged, and she has pedal oedema. she has occasional premature ventricular contractions on her electrocardiogram. a chest x-ray reveals clear lung fields with a dilated cardiac silhouette. her echocardiogram reveals ventricular walls with a "speckled pattern". which of the following is the most likely diagnosis? - alcoholic cardiomyopathy- amyloidosis- haemochromatosis- tuberculosis- viral myocarditis

During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge