BSNC 2000 Module 5 with Correct
Answers
Hypothalamus - Answer-- Thermoregulation, thirst, hunger, circadian rhythms, control of
autonomic NS, hormone release
Limbic System - Answer-Learning, memory, and emotions
Right Cerebral Hemisphere - Answer-Creative and artistic, feelings visualization,
holistic, intuition, imagination, rhythm
Left Cerebral Hemisphere - Answer-Analytical and methodical, facts, logic, sequencing,
linear thinking
Organization of sensory and motor neurons in the brain and spinal cord - Answer--
Upper motor neurons of corticospinal tract cross over at the level of the brainstem and
travel down the spinal cord as part of the lateral corticospinal tract
- Motor neurons of the anterior corticospinal tract cross over at the level of the spinal
cord where they synapse on a lower motor neuron
- 3 sensory neurons carry sensory info from a sensory receptor to the somatosensory
cortex
- Sensory receptors of the dorsal column detect touch and proprioception sensations
- Second order sensory neurons of the dorsal column cross over at the level of the brain
stem and travel up to the thalamus to synapse on a third order sensory neuron
Middle Cerebral Artery - Answer-- Supplies blood to the lateral surface of the frontal,
parietal and upper temporal lobes
- Most of basal nuclei
Anterior Cerebral Artery - Answer-- Supplies blood to the medial surface of the frontal
and parietal lobes
- Anterior 4/5ths of the corpus callosum
Posterior Cerebral Artery - Answer-Supplies blood to the:
- Occipital lobe
- Medial temporal lobe
- Splenium (Posterior 1/5th of the corpus callosum)
- Midbrain
Basilar and Vertebral Arteries - Answer-- Formed by 2 cerebral arteries in the back of
the brain
- Supplies blood to the cerebellum and brain stem
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