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Sharmecia Bailey
Anatomy weeks 6-12
| Question | Answer |
|---|---|
| Movement is one of the most distinctive and easily observed “characteristics of life.” | True |
| The latissimus dorsi muscle is an example of a _____ muscle. | spiral |
| Skeletal muscles constitute approximately ____ of our body weight. | 50% |
| Skeletal muscles constitute approximately ____ of our body weight. | perimysium. |
| The muscle(s) assisting in rotating the arm outward is (are) the: | teres minor. |
| The afferent pathways of the autonomic nervous system: | carry feedback information to integrating centers in the brain. |
| Multipolar neurons have: | multiple dendrites and one axon. |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| The spinal tract is located on the side of the cord, originates in the brain, and terminates in the spinal cord in the _____ tract. | lateral corticospinal |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | dura mater |
| Parasympathetic neuron cell bodies are located in: | nuclei of the brainstem and the lateral gray columns of the sacral cord. |
| The hypophyseal portal veins are primarily located in the | infundibulum |
| Transparent mucous membrane covering the inner surface of the eyelid. | conjunctiva |
| Melanin-containing layer of the eye's vascular tunic. | choroid |
| Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as _____ circulation. | systemic |
| The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is | hemoglobin |
| The heart has its own special covering, a loose-fitting inextensible sac called the | pericardium |
| Microscopic vessels that carry blood from small arteries to small veins are | capillaries. |
| The bulk of the heart wall is the thick, contractile middle layer called the | myocardium |
| Interferon inhibits the spread of: | viruses and bacteria. |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center |
| The structure in the neck known as the “Adam’s apple” is the: | thyroid cartilage. |
| The small, leaf-shaped cartilage behind the tongue and hyoid bone is the: cricoid cartilage. | epiglottis. |
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