The anterior portion of the palate that is supported by bone is called the ________
A) soft palate
B) glottis
C) epiglottis
D) hard palate
D
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If the parietal pleura is cut during surgery, the lung on the side of the cut will expand and the chest wall will be compressed.
Answer the following statement true (T) or false (F)
Define cardiopulmonary resuscitation (CPR)
What will be an ideal response?
The effect on the heart of excess potassium ion concentration usually is
A) increased rate and decreased force of contraction. B) decreased rate and decreased force of contraction. C) decreased rate and increased force of contraction. D) increased rate and increased force of contraction.
How is blood pressure maintained in veins to counter the force of gravity?
A) Blood pressure is maintained in veins because the heart pumps blood through the veins. B) Blood pressure is maintained in veins because the valves reduce the flow of blood as blood passes by. C) Blood pressure is maintained in veins by the contractions of surrounding skeletal muscles that squeeze venous blood toward the heart and the presence of valves which prevent backflow of the blood. D) Blood pressure is maintained in veins by using the valves as pumps to push blood back toward the heart. E) Blood pressure is maintained in veins by contractions of the smooth muscle in the walls of the veins that squeeze venous blood toward the heart and the presence of valves which prevent backflow of the blood.