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anatomy final 51-75
| Question | Answer |
|---|---|
| The muscle(s) assisting in rotating the arm outward is (are) the: | TERES MINOR |
| Which of the following is not a muscle that moves the thigh? | sacrospinalis |
| Which of the following statements about the muscles of the thorax is incorrect? | When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs. |
| the prime mover can also be called the | agonist |
| The covering of individual muscle fibers is the: | endomysium |
| Another name for a sphincter muscle is a _____ muscle. | circular |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Flexor |
| Which of the following muscles does not move the upper arm? | Trapezius |
| There are more than 600 muscles in the body. | True |
| Which of the following is not a muscle of the quadriceps femoris group? | Biceps femoris |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. | sympathetic and parasympathetic |
| Nerves that contain mostly afferent fibers are called _____ nerves. | sensory |
| One of the components of the blood-brain barrier is: | astrocytes |
| A neuron that has only one axon but several dendrites is classified as a _____ neuron. | multipolar |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. For a long time, scientists thought that glia far outnumbered neu-rons, but research has shown that there are equally large numbers of both neurons and glia in the human nervous system. One study |
| Fascicles are held together by a connective tissue layer called the: | perineurium |
| A neuron that transmits a nerve impulse toward the central nervous system is called a(n): | sensory neuron |
| Dendrites conduct impulses _____ cell bodies. | toward |
| Gray matter in the brain and spinal cord consists primarily of: | cell bodies |
| The lymphatic system, like the circulatory system, is a closed circuit. | FALSE |
| The brainstem does not include the: | cerebellum |
| Parasympathetic neuron cell bodies are located in: | nuclei of the brainstem and the lateral gray columns of the sacral cord. |
| The spinal ganglion can be found on the _____ of the spinal nerve. | dorsal nerve root |
| Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? | brachial |
| The areas specializing in language functions are found in the left cerebral hemisphere in: | about 90% of the popuulation |
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