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Katherine Mendoza
Study Stack 2
| Question | Answer |
|---|---|
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| The afferent pathways of the autonomic nervous system: | carry feedback information to integrating centers in the brain. |
| Which of the following is not a function of the central nervous system (CNS)? | All of the above are functions of the CNS. |
| Interneurons reside in the: | CNS only. |
| Nerves that contain mostly afferent fibers are called _____ nerves. | sensory |
| The nervous system is organized to do which of the following? Detect changes in the external environment. Detect changes in the internal environment. Evaluate changes in the environment. All of the above are true. | Detect changes in the external environment. Detect changes in the internal environment. Evaluate changes in the environment. All of the above are true. |
| A neuron that has only one axon but several dendrites is classified as a _____ neuron. | multipolar |
| Gray matter in the brain and spinal cord consists primarily of: | cell bodies. |
| The largest and most numerous types of neuroglia are the: | astrocytes. |
| Which of the following compounds cannot cross the blood-brain barrier? | Dopamine |
| All cell bodies of the autonomic nervous system are located within the CNS | False |
| Which of the following is not true of the lateral corticospinal tract fibers? | Most inhibit the lower motor neuron. |
| The spinal nerves are connected to the spinal cord and consist of _____ pairs. | 31 |
| Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? | Brachial |