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anatomy 6-12
week 6-12
| Question | Answer |
|---|---|
| Which of the following body systems assists the muscles in maintaining posture? | digestive, endocrine, excretory |
| The latissimus dorsi muscle is an example of a _____ muscle. | spiral |
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | -there is no neurolemma in cells of the CNS. -astrocytes fill in the path of regrowth. -microglia lay down scar tissue. |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| Which of the following compounds cannot cross the blood-brain barrier? | dopamine |
| The afferent pathways of the autonomic nervous system: | - stimulate the fight-or-flight response. - maintain normal resting activity. |
| Some parasympathetic postganglionic neurons have their cell bodies in nuclei in the brainstem. | false |
| The autonomic nervous system includes only efferent neurons. | false |
| There are _____ ventricles in the brain. | four |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| Several “vital centers” are located in the: | medulla |
| Visceral effectors are innervated by sympathetic fibers. | true |
| The brain has _____ major divisions. | 6 |
| Pancreatic cell type that produces insulin. | beta cells |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| The structural components of the circulatory system include the: | heart and blood vessels. |
| Interferon inhibits the spread of: | viruses, bacteria |
| A type of blood cell produced by lymph nodes is called a(n) | monocyte |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |