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Study Stack 2
Weeks 6-12
| Question | Answer |
|---|---|
| The structures called the skeletal muscles are? | Muscles |
| Skeletal muscle tissues (or muscle fibers) are covered by a delicate connective tissue membrane called? | Endomysium |
| Groups of skeletal muscle fibers, called fascicles, are then bound together into bundles by a tougher connective tissue envelope called? | Perimysium |
| The muscle as a whole is covered by a course sheath called the? | Epimysium |
| What are the six muscles shapes that are often used to describe and categorize skeletal muscles? | Parallel, Convergent, Pennate, Fusiform, Spiral, and Circular muscles |
| The term used to describe a muscle that directly performs a specific movement. | Prime mover |
| Muscles that when contracting directly oppose prime movers (or agonists) | Antagonists |
| Muscles that contract at the same time as the prime mover | Synergists |
| Generally functions as joint stabilizers | Fixator muscle |
| How are muscles named? | Location, function, shape, direction of fibers, number of head or divisions, points of attachment, and size of muscle. |
| The pectoralis major muscle is an example of a _____ muscle. | Convergent |
| True or False: There are more than 600 muscles in the body. | True |
| The teres major and teres minor muscles move the: | Arm |
| Skeletal muscles constitute approximately ____ of our body weight. | 50% |
| The white matter of the nervous system is made up of: | Myelinated fibers. |
| Fascicles are held together by a connective tissue layer called the: | Perineurium. |
| Dendrites conduct impulses _____ cell bodies. | Toward |
| Along a neuron, the correct pathway for impulse conduction is: | Dendrite, cell body, and axon. |
| Gray matter in the brain and spinal cord consists primarily of: | Cell bodies |
| Regeneration of nerve fibers will take place only if the cell body is intact and the fibers have: | A neurilemma. |
| Nerves that contain mostly afferent fibers are called _____ nerves. | Sensory |
| The areas specializing in language functions are found in the left cerebral hemisphere | about 90% of the population. |
| The layer of the meninges that serves as the inner periosteum of the cranial bone is the: | Dura mater |
| Spinal nerves are _____ fibers. | Motor and sensory |
| Impulses from which system play a part in arousing or alerting the cerebrum? | Reticular activating system |
| Largest purely endocrine gland in the body. | Thyroid gland |
| Endocrine gland of the thorax that is also important in immune function. | Thymus gland |
| The nerve carrying taste information from the anterior two-thirds of the tongue is the | Facial |
| Receptors for hearing are located in the | Cochlear duct. |
| Hormone that inhibits osteoclast activity in children. | Calcitonin |
| Transparent structure of the eye containing regularly aligned collagen fibers. | Cornea |
| The bulk of the heart wall is the thick, contractile middle layer called the | Myocardium. |
| 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 |
| Platelets play an important role in | Blood clotting |
| The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called | Semilunar valves. |
| The _____ drains much of the superficial leg and foot. | Great saphenous vein |
| Mechanical devices that permit the flow of blood in one direction only are called | Valves |
| The four structures that compose the conduction system of the heart are the | SA node, AV node, AV bundle, and Purkinje fibers. |
Created by:
Monica0278
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