S u p p l e m e n t a l I n s t r u c t i o n P a v e l e s c u | 1 Anatomy & Physiology Practice Exam 1 DIRECTIONS: Circle the most appropriate answer to the below questions. 1.The drugs Procaine and Lidocaine, both local anesthetic drug, (also known as Novocaine and Xylocaine respectively) block sodium channels in plasma membranes of neurons. Given this information, which one of the following statements is most likely true about a cell bathed in a solution that contains Procaine or Lidocaine? a. There will be no osmosis across the cell’s plasma membrane. c. Na+will be unable to cross the membrane by facilitated diffusion b. Na+will diffuse from a low concentration to a high concentration. d. Na+will diffuse directly across the lipid bilayer. 2.Which of the following is located beneath the diaphragm in the right upper quadrant of the abdominal cavity? 3.Which one of the following statements is false regarding active transport? 4.Which one of the following is an example of positive feedback? 5.All epithelia that serve a protective function must contain goblet cells, since the mucus secreted by goblet cells helps prevent pathogens from entering the body. a. True b. False
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