The passage of food materials from the lumen of the GI tract into the blood is called ____. (D1)

What are “empty” calories? Why should they be avoided? (2 points)

The thought, sight or smell of food initiates parasympathetic stimulation of the digestive system. This describes the ___. (D20)

A person with a negative nitrogen balance … (M11)

Glucose can be converted to fat, but fat cannot be converted to glucose. (M12)

Jaundice is a primary symptom of liver dysfunction.  Why? (+3)

A ____ is an inorganic element needed by the body for normal metabolism. (M4)

Vitamins are an important source of energy for the body. (M5)

Fat-soluble vitamins are not stored in the body so pose not risk from excessive intake. (M5)

Perform the indicated operations and write the answer in the form  where a and b are real numbers.(4 – 2i)(4 + 2i)