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Why did the booming 1920s end?

Why did the U.S. Congress oppose the Versailles Treaty (the treaty that ended World War One)?

What were the main differences between the Populist/Democratic Parties and the Republican Party during the 1896 election?

How did the global economy encourage western expansion in the United States between the 1860s-1900?

What was the primary difference between President Roosevelt’s “Big Stick” foreign policy and President Taft’s “Dollar Diplomacy”?

During the absolute refractory period the majority of sodium inactivation gates are closed and permeability to potassium is higher than at rest. 

If ECl- = -80 mV and we make the membrane potential more negative (Vm = -85 mV), what will the driving force be? Which will be larger Cl- influx / Cl- efflux?  Explain WHY? (2pts)

If [Na+]i remains constant while we experimentally decrease [Na+]o… What will happen to the peak of the action potential? It will become [dropdown].

The glial cell type that function in maintaining the appropriate chemical environment for neuronal signaling are called ______________________________.

If [K+]i remains constant while we experimentally decrease [K+]o, the membrane potential will [depolarize / hyperpolarize / not change]. Why will you see this effect in Vm?  (2pts)