In contrast to secondary spinal cord injury, primary spinal cord injury occurs:
A) from progressive swelling.
B) at the moment of impact.
C) from penetrating mechanisms.
D) within 24 hours of the injury.
Ans: B) at the moment of impact.
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During normal, quiet breathing, inspirations last longer than expirations.
Answer the following statement true (T) or false (F)
If all other conditions remain the same and the concentration of a nonpenetrating solute increases inside a cell, which is most likely to occur?
A. The solute will diffuse across the membrane until its concentration is equal on both sides of the membrane. B. Water will tend to leave the cell because the interior has a decreased osmolarity. C. Water will tend to enter the cell because the interior has a decreased osmolarity. D. Water will tend to leave the cell because the interior has an increased osmolarity. E. Water will tend to enter the cell because the interior has an increased osmolarity.
Your friend was in an automobile accident in which his spleen was ruptured. Which of the following is least likely based on this knowledge?
A) The accident caused trauma to the left upper abdominal quadrant. B) The spleen must be repaired or your friend will die. C) The rupture resulted in the escape of red blood cells into the peritoneal cavity. D) The inferior lobe of the left lung may also have been injured. E) Ribs 9–11 on the left side were fractured.
Long term chronic pain is.
A) the level of stimulation required to stimulate a nerve to cause a sensation of pain. B) the degree of pain tolerated before an individual takes some action. C) pain perceived at a site distant from the source. D) pain that can lead to depression, sleep disturbances and fatigue.