Aside from the obvious, describe the differences between slow and fast pain.
What will be an ideal response?
Lateral inhibition increases the contrast between receptive fields with the greater extent of activation and the nearby, lesser stimulated, fields. If a stimulus activates three primary neurons with the one in the middle receiving the strongest stimulus, each will activate their secondary neurons. However, the secondary neuron with the
strongest stimulus suppresses the response of the other two activated secondary neurons while allowing its own signal to proceed on its pathway without interference. This allows for a greater contrast between the center and sides of the receptive field and a more precise localization of the stimulus.
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Which of the following is true about hemoglobin?
A. appears red in color when depleted of O2 B. binds O2 210x more strongly than it binds carbon monoxide C. content tends to be higher in the blood of young women than young men D. erythropoietin inhibits synthesis E. heme centers reversibly bind O2
Polio can sometimes damage the brainstem respiratory centers and result in which condition?
A. Adult respiratory distress syndrome B. A pneumothorax C. Atelectasis D. Ondine's curse E. A Bohr effect
All of the heart's sulci house blood vessels that supply the myocardium.
Answer the following statement true (T) or false (F)
Groups of similar cells and extracellular products that carry out a common function are called
A. organs. B. organ systems. C. matrices. D. tissues.