A likely outcome of a social insurance program is that ____
A) a small proportion of the insured account for a large proportion of the expenses
B) each person pays in accordance with the quality of their risk
C) medical underwriting reduces potential subsidization
D) elimination of pre-existing conditions assures actuarial fairness
A
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Several pathophysiologic mechanisms operating simultaneously may lead to an increased ventilatory rate. These may include all of the following EXCEPT:
a. stimulation of central chemoreceptors. b. decreased lung compliance–increased ventilatory rate relationship. c. stimulation of J receptors. d. pain.
Which of the following statements regarding patient preparation for dental radiography is not correct?
A) The patient should be protected with a lead/lead-equivalent apron and thyroid collar. B) The patient's occipital protuberance should be against the headrest during exposure. C) The patient's eyeglasses may be left in place to protect the eyes. D) Objects in the mouth such as dentures, partials, and retainers should be removed prior to exposure.