31) Hydrophilic molecules readily associate with A) lipid molecules. B) hydrophobic molecules. C) water molecules. D) acids. E) salts. 32) Which of the following statements about water is false? A) It is composed of molecules. B) It is responsible for much of the mass of the human body. C) It has a relatively low heat capacity. D) It can dissolve many substances. E) It contains hydrogen bonds. 33) An excess of hydrogen ions in the body fluids can have fatal results because this can A) break chemical bonds. B) change the shape of proteins, rendering them nonfunctional. C) disrupt tissue functions. D) change body fluid pH. E) All of the answers are correct. 34) A solution containing equal numbers of hydrogen ions and hydroxide ions is A) acidic. B) basic. C) neutral. D) alkaline. E) in equilibrium. 35) In the body, inorganic compounds A) can serve as buffers. B) can make up proteins. C) are made from organic compounds. D) are structural components of cells. E) are metabolized for cellular energy. 36) When placed in an inorganic compound dissociates 99 percent, forming hydrogen ions and anions. This compound would be a A) strong base. B) weak base. C) strong acid. D) weak acid. E) salt.
31) Hydrophilic molecules readily associate with A) lipid molecules. B) hydrophobic molecules. C) water molecules. D) acids. E) salts. 32) Which of the following statements about water is false? A) It is composed of molecules. B) It is responsible for much of the mass of the human body. C) It has a relatively low heat capacity. D) It can dissolve many substances. E) It contains hydrogen bonds. 33) An excess of hydrogen ions in the body fluids can have fatal results because this can A) break chemical bonds. B) change the shape of proteins, rendering them nonfunctional. C) disrupt tissue functions. D) change body fluid pH. E) All of the answers are correct. 34) A solution containing equal numbers of hydrogen ions and hydroxide ions is A) acidic. B) basic. C) neutral. D) alkaline. E) in equilibrium. 35) In the body, inorganic compounds A) can serve as buffers. B) can make up proteins. C) are made from organic compounds. D) are structural components of cells. E) are metabolized for cellular energy. 36) When placed in an inorganic compound dissociates 99 percent, forming hydrogen ions and anions. This compound would be a A) strong base. B) weak base. C) strong acid. D) weak acid. E) salt.
ap-i-exam-1a-2015.docx