The ALARA concept implies that:
a. any radiation dose that can be reduced without major difficulty, great expense, or inconvenience, should be reduced or eliminated.
b. if a radiation dose cannot be reduced without major difficulty, great expense, or inconvenience, then no radiographs should be exposed.
c. radiation dosages slightly above the acceptable level of risk are acceptable only in emergency treatment situations.
d. fewer radiographs should be taken only if a radiation dose cannot be reduced due to major difficulty, inconvenience, and great expense.
a. The ALARA concept implies that any radiation dose that can be reduced without major difficulty, great expense, or inconvenience should be reduced or eliminated.
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Which of the following is false about evaporation?
a. Evaporation is a type of vaporization. b. The process of evaporation warms the surrounding air. c. Evaporation is the change of a liquid sub-stance into a gas. d. For evaporation to occur, heat energy is needed.
During a vaginal delivery, what facilitates the removal of fetal lung fluid from the pulmonary system?
a. High PaO2 b. Low intrapulmonary pressures c. Thoracic compression d. Triaging of core functions
When the hemoglobin molecule attaches at least one oxygen molecule, it is called ____.
A. deoxyhemoglobin B. methemoglobin C. carbaminoglobin D. oxyhemoglobin
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