A biologic reaction is produced by 4 Gyt of a test radiation. It takes 16 Gyt of 250-kVp x-rays to produce the same biologic reaction. What is the relative biologic effectiveness (RBE) of the test radiation?

a. 2
b. 4
c. 8
d. 12


b. 4

Health Professions

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Your patient is a 58-year-old female who is confused and dyspneic. Her daughter called EMS because the patient complained of a fluttering sensation in her chest, followed a few minutes later by chest pain and an acute onset of confusion. She is pale and diaphoretic without a palpable radial pulse. The monitor shows a narrow complex rhythm at a rate of 180. Which of the following is most appropriate?

A) Valsalva maneuver B) IV adenosine C) Immediate synchronized cardioversion D) IV diltiazem

Health Professions

Which of the following statements about removing a helmet in a prehospital setting is correct?

a. Helmets should be removed only if they are too tight or if spinal immobilization is required. b. It is acceptable to leave a helmet on a patient if the patient has no airway or breathing problems. c. Any patient wearing a helmet should have it removed so that the airway and breathing can be properly assessed. d. Helmets should never be removed, so OEC Technicians must be creative in working around the obstacle of a helmet while providing care.

Health Professions

Insurance plans that promote quality, cost-effective healthcare through the monitoring of patients, preventative care, and performance measures are called:

A. managed care insurance. B. Centers for Medicare Services. C. primary physician care. D. second-party payer.

Health Professions

Jeremy Bentham and John Stuart Mill are considered the fathers of ____________________

a. utilitarianism b. divine command ethics c. deontological theory d. virtue ethics

Health Professions