Which of the following statements concerning the cardiovascular system is true?
a. It consists of four major components: the heart, the lungs, the blood vessels, and blood.
b. The heart is a muscular organ located behind and to the right of the sternum.
c. An electrical impulse that starts in the right atrium stimulates contraction of the heart muscle.
d. The subclavian arteries supply blood to the pelvis and legs.
Answer: c
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Which of the following would occur in partially compensated metabolic acidosis?
a. pH would be above normal limits and PaCO2 and HCO3- would be below normal range b. pH, PaCO2, and HCO3- would be below normal limits c. pH would be above normal limits, PaCO2 would be above normal range, and HCO3- would be below normal range d. pH would be normal and PaCO2 and HCO3- would be below normal limits
Freeing a body part from an abnormal physical constraint by either cutting or using force is called _____.
A. division B. release C. excision D. incision