An epidural hematoma typically causes rapid deterioration in the head-injured patient's condition because:
A) numerous axons are severely damaged.
B) the meningeal veins are often disrupted.
C) it is associated with brisk arterial bleeding.
D) concomitant spinal cord injury is often present
Answer: C) it is associated with brisk arterial bleeding.
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Ryan hears a loud noise and quickly turns his eyes sideways in the direction of the sound. To accomplish this action he must use his ________ muscles
A) superior rectus B) lateral rectus C) inferior rectus D) medial rectus E) lateral and medial rectus
A substance is in positive balance when
A) it exits plasma at a greater rate than it enters plasma. B) its production by cells is decreased. C) it enters plasma at a greater rate than it exits plasma. D) its usage by cells is increased. E) it enters plasma at the same rate it exits plasma.
Cytokinesis overlaps with which phase of mitosis?
A) Metaphase B) The S phase C) Prophase D) Interphase E) Telophase
All of the following are functions of the intervertebral disks except which one?
A. Act as shock absorbers B. Cushion to vertebrae with each step C. Support body weight D. Allow nerves to exit between vertebrae