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Week 6-12
Anatomy
Question | Answer |
---|---|
Nerves that originate from the brain are called _____ nerves. | cranial |
The glia cells that help form the blood-brain barrier are the | astrocytes |
This tends to be the longest cytoplasmic projection from a neuron. | axon |
Chemical signals diffuse between neurons at this location. | synapse |
The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions. |
The inner protective covering of the brain is called the | meninges. |
The three divisions of the brain that make up the brainstem are the | medulla oblongata, midbrain, and pons. |
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the | gray matter of the thoracic and upper lumbar segments of the spinal cord. |
Which two factors promote the return of venous blood to the heart? | blood-pumping action of respirations and skeletal muscle contractions |
Which are the two baroreceptors that are located near the heart? | aortic baroreceptors and carotid baroreceptors |