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Anatomy 2
Question | Answer |
---|---|
The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | serratus anterior. |
Muscles with this type of muscle fascicle arrangement are either fusiform or straplike in appearance. | parallel |
Which of these glia cells are located in the peripheral nervous system? | schwann cells |
What structure of the Schwann cell is essential to normal nerve growth and the regeneration of injured nerve fibers? | neurilemma |
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the | gray matter of the thoracic and upper lumbar segments of the spinal cord. |
The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion |
In the diagram above, following the sensation of touch from the skin up the spinal cord to the brain, what is the final destination (the blue area) called? | Primary somatosensory cortex |
Which two factors promote the return of venous blood to the heart? | blood-pumping action of respirations and skeletal muscle contractions |
Blood viscosity stems mainly from the red blood cells but also partly from the _____ in blood. | protein molecules present |
The surface of the respiratory membrane inside each alveolus is coated with a fluid containing | surfactant |
A common condition characterized by acute inflammation of the tracheobronchial tree is | acute bronchitis |
Gas exchange occurs only in the | alveoli |