Which of the following statements best defines the oxygen-hemoglobin dissociation curve?
A. A graphical representation of the amount of oxygen found in the atmosphere
B. A graphical representation of the relationship between hemoglobin's percent saturation at a particular partial pressure of oxygen
C. A graphical representation of the amount of hemoglobin found in the blood
D. A graphical representation of the amount of oxygen bound to hemoglobin and how that affects the partial pressure of O2 in the blood
Answer: B. A graphical representation of the relationship between hemoglobin's percent saturation at a particular partial pressure of oxygen
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Of the ligaments associated with the vertebral column, the ligamentum nuchae is seen most posteriorly on sagittal MR images below the level of the cervical region.
Answer the following statement true (T) or false (F)
Carbon dioxide and water readily combine to form carbonic acid. The change in pH as the acid dissociates can be demonstrated with an indicator dye that changes color at a particular pH. Following this lab in which the color of the solution was observed to change, one lab group forgot to dump the beakers at the end of the lab period. The next day would you expect the beakers to look the same as
they did after being bubbled with CO2? If not, explain in terms of reversible reactions and equilibrium disturbance. What will be an ideal response?
Only absorbed light can produce photochemical reactions that result in vision.
Answer the following statement true (T) or false (F)
A gomphosis is which type of joint?
A: fibrous and a suture B: fibrous and a sydesmoses C: cartilaginous and a synchondrosis D: cartilagenious and a symphysis E: synovial