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ANAT & PHYS I: CNS
ANAT & PHYS I: THE CNS
| Question | Answer |
|---|---|
| At three weeks’ gestation, the ectoderm forms the ----, which invaginates, forming the -----, flanked on either side by neural folds. | Neural plate, neural groove |
| By the fourth week of pregnancy, the neural groove fuses, giving rise to the______ , which rapidly differentiates into the ____. | Neural Tube,Central Nervous System |
| The neural tube develops constrictions that divide the three primary brain vesicles give another name for: (forebrain),(midbrain), and (hindbrain) | the prosencephalon, mesencephalon, and rhombencephalon. |
| Located in the frontal lobe. Allows conscious control of precise, skilled, voluntary movements. | PRIMARY MOTOR CORTEX |
| Located in the frontal lobe.Controls learned, repetitious, or patterned motor skills. | THE PREMOTOR CORTEX |
| Located in upper temple lobe.A motor speech area that directs muscles of the tongue. Is active as one prepares to speak | BROCA'S AREA |
| Located in the frontal lobe. Coordinates simultaneous or sequential actions. Involved in the planning of movements | PREMOTOR CORTEX |
| Located anterior to the premotor cortex and superior to Broca’s area.Controls voluntary eye movement | Frontal eye field |
| control voluntary movement | Motor areas |
| conscious awareness of sensation | Sensory areas |
| integrate diverse information | Association areas |
| caricature of relative amounts of cortical tissue devoted to each motor function | Motor homunculus OF THE PRIMARY MOTOR CORTEX |
| Receives information from the skin and skeletal muscles. Exhibits spatial discrimination | Primary Somatosensory Cortex |
| Located posterior to the primary somatosensory cortex, Integrates sensory information (temperature, pressure) | Somatosensory association cortex |
| Forms comprehensive understanding of the stimulus. Determines size, texture, and relationship of parts. | Somatosensory association cortex |
| Surrounds the primary visual cortexInterprets visual stimuli (e.g., color, form, and movement) by using past visual experiences | Visual association area |
| Seen on the extreme posterior tip of the occipital lobe. Receives visual information from the retinas. | Primary visual (striate) cortex |
| Located at the superior margin of the temporal lobe. Receives information related to pitch, rhythm, and loudness | Primary auditory cortex |
| Afferent fibers from smell receptors in the superior nasal cavities send impulses along the olfactory tracts. Results in conscious awareness of different odors. | Olfactory(smell)cortex |
| Located in the parietal lobe deep to the temporal lobe. Involved in the perception of taste stimuli | Gustatory(taste)cortex |
| Responsible for conscious awareness of balance (position of the head in space | Vestibular(equilibrium)cortex |
| Tumors or other lesions of the ________ may cause mental and personality disorders like mood swings and loss of judgment, attentiveness, and inhibitions | prefrontal cortex |
| _____ will increase heart and respiratory rates during a fight-or-flight situation and decrease activity of digestive and elimination organs. | The sympathetic division |
Created by:
ascpstudent100
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