In 2008, Burma was hit by a major environmental catastrophe. The government responded by:  

During the absolute refractory period of an action potential, a stronger stimulus can produce another action potential.

Choose the correct answer to complete the sentence. _____ the story about compassion, Sara was moved.

It is OK if you do not give a perfect answer to this bonus question. If you try to answer it, you will be given 3 points credit. Hypokalemia is low serum (blood) potassium. It occurs when blood potassium is below 3.5 mEq/L. It’s usually caused by use of diuretics to treat high blood pressure and heart failure. Using what you know about the excitable cell, what effect would hypokalemia have on the resting membrane potential?

A sample of an ideal gas containing 0.918 mol is collected at 742 torr pressure and 31°C. Calculate the volume.

Action potentials are transmitted by neuron processes called ___________________.

Puffer fish toxin blocks voltage-gated sodium channels like a cork. What effect would this neurotoxin have on the function of neurons?

A sample of a gas in a balloon has a volume of 4.20 L and temperature of 48.2 °C. Calculate the volume when the temperature is lowered to 15.4°C at constant pressure.

Choose the correct answers to complete the interview. World Review: Dr. Das, one of the more controversial points in your book is that parents working full-time and television are major causes of the breakdown of the family. Please talk about that. Dr. Das: In most homes these days both parents have to work to make ends meet. (1) do they have enough time for all the things they want and need to do. When these parents come home after a long day at work, (2) they’re very tired. (3) , they will use the television as a babysitter, (4) so they can get some chores done. (5) , if the television is on all evening, as it is in many homes, there will (6) be fewer opportunities for the members of the family to interact and to communicate.

Choose the correct answer to complete the conversation. A:     _____ take the bus. B:     Yeah, I usually take the train, too.