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Kaylee
Anatomy Week 6 - 12
| Question | Answer |
|---|---|
| Chemical signals diffuse between neurons at this location. | synapse |
| These regions of the neuron direct electrical currents toward the cell body. | dendrite |
| Neurons have | very limited capacity to repair themselves. |
| What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? | neurilemma |
| Bundles of myelinated fibers make up the | white matter of the nervous system. |
| The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance of a horse’s tail called the | cauda equina. |
| Formation of the cerebrospinal fluid occurs in the | choroid plexus. |
| The large fluid-filled spaces within the brain are called the | ventricles |
| The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion. |
| The innermost layer of the meninges is the: | pia mater. |
| Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? | Brachial |
| Pancreatic cell type that produces insulin. | beta cells |
| Membrane attached to the stapes. | oval window |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| The hormone produced by the heart | increases the excretion of sodium in the urine. |
| The vagus is said to act as a “brake” on the heart. This situation is called | vagal inhibition. |
| Inhibition of sympathetic vasoconstrictor impulses is considered a major mechanism of | vasodilation. |
| The localized pressure gradient needed to maintain blood flow in a tissue is called | perfusion pressure. |
| The internal iliac artery supplies blood to the | pelvis. |
| The normal cardiac impulse that initiates mechanical contraction of the heart arises in the | SA node. |
| The lymphatic system, like the circulatory system, is a closed circuit. | False |
| A type of blood cell produced by lymph nodes is called a(n) | monocyte. |
| Lymph capillaries called lacteals are located in the: | small intestine. |
| Masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called | tonsils. |
| Hassall corpuscles are part of the: | thymus. |
| The small leaf-shaped cartilage that projects upward behind the tongue and hyoid bone is the | epiglottis. |
| The trachea divides at its lower end into two | primary bronchi. |
| The trachea, bronchial tree, and lungs make up the | lower respiratory tract. |
| A common condition characterized by acute inflammation of the tracheobronchial tree is | acute bronchitis. |
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kayleee5865
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