Hydration and nutrition: Practice Questions

• a.

  Radiation to the environment.

• b.

  Conduction through direct contact.

• c.

  Convection via air currents.

• d.

  Evaporation of sweat.

• a.

  A chain of amino acids linked by peptide bonds.

• b.

  One glycerol molecule and three fatty acids.

• c.

  Two glycerol molecules and one phosphate group.

• d.

  One glucose molecule and two fructose molecules.

• a.

  The consumption of water suppresses the thirst mechanism too early, leading to voluntary dehydration.

• b.

  The body stops secreting ADH when core temperature rises above \(39^{\circ}\text{C}\).

• c.

  The kidneys increase the filtration rate, causing an involuntary loss of plasma volume.

• d.

  The maximum rate of intestinal fluid absorption is often lower than the rate of fluid loss through sweating.

• a.

  Providing the primary substrate for ATP production.

• b.

  Transporting fat-soluble vitamins through the blood.

• c.

  Acting as the main structural component of muscle tissue.

• d.

  Maintaining electrical gradients across cell membranes.

• a.

  The conversion of liver glycogen into glucose

• b.

  The oxidation of amino acids during prolonged exercise

• c.

  The breakdown of glucose during glycolysis

• d.

  The synthesis of triglycerides from fatty acids and glycerol

Write your answer out first, then check it against the worked solution.

Write your answer out first, then check it against the worked solution.

Write your answer out first, then check it against the worked solution.