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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 |