Which of the following actions is caused by contraction of skeletal muscle?
A. contraction of the heart
B. moving your feet in walking
C. movement of food through the digestive tract
D. emptying of the urinary bladder
E. vasoconstriction
B
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A) adenosine diphosphate B) adenine C) adenosine triphosphate D) deoxyribonucleic acid E) ribose
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The parietal pericardium is
A. a double-layered serous membrane that anchors some of the abdominal organs to the body wall. B. the serous membrane that covers the lungs. C. the serous membrane that lines the abdominal and pelvic cavities. D. space located between the visceral and parietal pleura. E. the membrane that lines the pericardial sac.
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.