NPB 101- Debello W09 P-Final

NPB 101- Debello W09 P-Final - NPB 101 Sa mple Final...

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NPB 101 Sample Final Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Select the incorrect statement regarding the plasma membrane. a. selectively controls movement of molecules between the ECF and the ICF. b. is the barrier that surrounds the blood vessels and separates the blood plasma from the interstitial fluid. c. contains proteins that provide membrane functions. d. has cholesterol to maintain rigidity. e. serves as a mechanical barrier to hold in the contents of the cell. ____ 2. The concentration gradient for Na + a. favors its movement into the cell at resting potential. b. favors its movement out of the cell at resting potential. c. is maintained by the Na + -K + pump. d. Both (a) and (c) above. e. Both (b) and (c) above. ____ 3. Which of the following is responsible for the falling phase of an action potential? a. Na + -K + pump restoring the ions to their original locations. b. ATP-ase destroying the energy supply that was maintaining the action potential at its peak. c. closing of K + channels. d. greatly increased permeability to Na + e. None of these answers. ____ 4. The universal energy currency in cells is a. glucose. b. insulin. c. glycogen. d. myosin. e. ATP. ____ 5. Select the correct statement about diffusion. a. the chemical gradient of a substance does not affect its initial rate of net diffusion. b. it depends on random (thermal) motion of molecules. c. during diffusion, there is a net movement of molecules from an area of lower concentration to an area higher concentration. d. its rate increases as the temperature decreases. e. at equilibrium there is no movement of molecules. ____ 6. Extrusion of materials to the exterior of the cell through the plasma membrane is called a. pinocytosis b. endocytosis c. exocytosis d. phagocytosis e. All of these answers.
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____ 7. The two systems concerned with the control of body functioning are a. endocrine and lymphatic. b. nervous and respiratory. c. nervous and endocrine. d. circulatory and endocrine. e. endocrine and respiratory. ____ 8. The blind spot a. is the point on the retina at which the optic nerve leaves and blood vessels pass through. b. contains rods and cones. c. is in the exact center of the retina. d. Both (a) and (b) above. e. All of these answers. ____ 9. Sequence the following events correctly. 1. an excitatory postsynaptic potential (EPSP) occurs. 2. calcium induces exocytosis of neurotransmitter. 3. action potential invades presynaptic terminal. 4. neurotransmitter is packed into synaptic vesicles. 5. neurotransmitter binds to receptor on chemically-gated channel. a. 1, 4, 5, 2, 3 b. 4, 3, 1, 5, 2 c. 2, 1, 5, 4, 3 d. 4, 3, 2, 5, 1 e. 3, 4, 2, 5, 1 ____ 10. Language ability is usually associated with the a. right cerebral hemisphere. b. limbic system.
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This note was uploaded on 04/05/2012 for the course NPB 101 taught by Professor Fuller,charles/goldberg,jack during the Spring '08 term at UC Davis.

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NPB 101- Debello W09 P-Final - NPB 101 Sa mple Final...

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