| 1. | Which of these cells forms myelin sheaths within the central nervous system? | |
| a. | perikarya | |
| b. | the epineurium | |
| c. | oligodendrocytes | |
| d. | ependymal cells | |
| 2. | The nuclei for cranial nerves IX-XII are found in the | |
| a. | diencephalon | |
| b. | mesencephalon | |
| c. | pons | |
| d. | medulla oblongata | |
| 3. | Blood supply to the brains is via the | |
| a. | internal carotid aa | |
| b. | vertebral aa | |
| c. | both of these | |
| 4. | The net diffusion rate of a particle is related inversely to the square root of its molecular weight. | |
| Answer {a} if true, {b} if false | ||
| 5. | If the concentration of sodium ions is 142 mEq outside the cell and 10 mEq inside, and if the membrane were totally impermeable to sodium, then the sodium ions would move | |
| a. | from outside to inside | |
| b. | from inside to outside | |
| c. | in neither direction | |
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[ Anatomy & Physiology 2 syllabus ] [ Page created 12 July 2001 ][ Page updated 05 August 2002 ] [ Questions? E-mail me ] |