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.
Answer: B) at the moment of impact.
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Tom stumbles and injures his hallux. What part of his anatomy is injured?
A) his hand B) his foot C) his ankle D) his knee E) his hip
________ rearranges the atoms in a molecule
Fill in the blank(s) with the appropriate word(s).
Oxygen is required in biological systems for
A) cellular respiration. B) storage of energy. C) serving as a structural component of bone. D) serving as a catalyst. E) chemical messengers.
Which of these roles is NOT related to the reticular formation?
A) muscle tone and stretch reflexes B) pain modulation C) regulation of the menstrual cycle D) blood pressure regulation E) arousal and sleep