EXAM1-version2 - BIO4120 EXAM 1 5/20/08 Student Name: _...

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BIO4120 Student Name: ________________ EXAM 1 Student ID# __________________ 5/20/08 Test # ______ 1. You are interested in learning more about Parkinson’s Disease, a neurological disorder that primarily affects motor function. What is the best source to begin your investigation? a. Google b. Pubmed c. Public library d. Physiology textbook e. A physician 2. Which physiological organ system forms a protective boundary to separate the body’s internal world from the external world? a. Integumentary b. Reproductive c. Musculoskeletal d. Respiratory e. Urinary 3. Physiology is the study of a. The structure of the body b. The tissues and organs of the body at the microscopic level c. Growth and reproduction d. The normal body functions of the organ systems e. The facial features as an indication of personality 4. The law of mass balance states a. Total amount of substance X in the body = existing body load + intake – output b. If the amount of a substance in the body is to remain equal, any gain must be offset by an equal loss c. Total amount of substance X in the body = existing body load – production - output d. A and B e. B and C 5. Which body fluid compartment contains higher levels of Na + , Cl - , and HCO3 - ? a. Plasma b. Interstitial fluid c. Intracellular fluid d. A and C e. A and B 6. The resting membrane potential of a cell is closest to the equilibrium potential for a. Sodium b. Potassium c. Chlorine d. Calcium e. A and B 1
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7. Which of the following statements is FALSE? a. Diffusion is the movement of solute molecules from an area of low solute concentration to an area of high solute concentration b. Diffusion is slow over long distances c. The smaller the molecule, the faster the molecule will diffuse d. The larger the surface area, the more molecules can diffuse across per unit time e. All of these statements are true 8. If water is a polar molecule, how does it manage to get through the non-polar area of the lipid bilayer? a. It has the same charge as the lipid molecules b. Via active transport c. With the help of ions such as sodium and potassium d. With the help of enzymatic proteins embedded in the cell membrane e. It is very small and can pass between the lipid molecules 9. Homeostasis is the ability of the body to a. Prevent the external environment from changing b. Prevent the internal environment from changing c. Quickly restore changed conditions to normal d. Ignore external stimuli to remain in a state of rest e. interact with members of the opposite sex 10. Data from ___________ studies identify trends to be investigated further, such as whether age group or socioeconomic status is associated with a higher risk of developing the condition being surveyed.
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EXAM1-version2 - BIO4120 EXAM 1 5/20/08 Student Name: _...

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