Signs and symptoms of an air embolus include all of the following EXCEPT:
a. shortness of breath with clear lung sounds.
b. chest pain.
c. back pain.
d. headache.
c
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If you were to administer an antiarrhythmic drug that was a complete sodium channel blocker, which of the following would you expect?
A) It would prevent the efflux (outflow) of calcium from within the cell. B) It would impede the sodium-potassium pump from replacing the ions to their original locations. C) It would cause excessive muscular contraction, because sodium is the principal cation in myofibril contraction. D) It would prevent the development of phase 0, thereby inhibiting depolarization.
What changes would be expected in RV, VC and TLC with aging?
A. VC and TLC will decrease while RV remains constant B. RV and TLC will increase while VC will decrease C. RV will increase, VC will decrease, and TLC will remain constant D. RV will decrease, VC and TLC will remain constant
Small amounts of ATP are produced when pyruvic acid is converted to ________.
A. lactic acid B. myoglobin C. glucose D. acetylcholinesterase E. creatine phosphate
The ___ surface is the tooth surface facing the lips