Which of the following is a TRUE STATEMENT about gradients within the body?

Which term describes skin which has a bluish tint due to reduced blood supply in small blood vessels, or due to hypo-oxygenation of tissues? 

Which of the following phrases does NOT describe functions of muscle tissue?  Consider all types and locations of muscle tissue.  (Three phrases describe muscle tissue; choose the one which does not.)

Which of the following statements does NOT describe characteristics of nervous tissue?  (Three statements describe nervous tissue; choose the one which does not.)

The Na+/K+ ATPase pump moves sodium in the _____________ direction compared with the direction of potassium.

Cancer is uncontrolled cell division (mitosis), not uncontrolled cell growth.  Which of the following cells or tissues IS NOT able to undergo mitosis to replace damaged cells, and thus is unlikely to develop cancer? 

The Na+/K+ ATPase pump moves sodium in the _____________ direction compared with the direction of potassium.

Which of the following phrases does NOT describe characteristics of muscle tissue?  (Three phrases describe muscle tissue; choose the one which does not.)

People often lose electrolytes with illnesses, exercise, and nutritional disorders.  It is vital for doctors to replace the electrolyte balance because electrolytes ___________ .

A man in his 50’s has a heart attack.  Doctors warn him that his heart will no longer pump normally, and that he is at increased risk for another heart attack.  What processes will cause the abnormal heart contraction?