Blog

  The velocity of blood is slowest in the capillaries and pressure of blood is lowest in the veins.   Which of the following is NOT an accurate description of the benefits of slow, low pressure blood in the capillary beds?  

  (another TOUGH ONE… think about the movement of ions) During the plateau phase of a cardiac muscle cell’s action potential, the membrane stays….  

  The main functions of the cardiovascular system include the transport and exchange of respiratory gases, nutrients, and wastes throughout the body.  

  (EASY… don’t think hard on this one) During a cardiac cycle, how many of the four chambers contract at any one time?  

  The plateau phase of an action potential….  

  Which valve prevents the back flow of blood from arteries into the left ventricle when the ventricles relax?  

An example of a “check” the President has on Congress is 

    Use the ECG (or EKG) diagram above.  The P wave (indicated by “A”) is generated when the…..   

Jade has a weekly budget of $24, which she likes to spend on magazines and pies. If the price of a magazine is $4 each, and the price of a pie is $12 each, what is Jade’s opportunity cost of purchasing a pie?   The opportunity cost of one pie is _________________ magazines.

If the money multiplier is 4, the required reserve ratio is