The annual effective dose limit for an individual in the general public for infrequent exposure to ionizing radiation is ____ rem.
a. 1
b. 0.1
c. 5
d. 0.5
d. 0.5
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All of the following statements are true regarding a patient's chart EXCEPT:
a. the patient's chart is a legal record and can be used in court. b. accreditation agencies may access a patient's chart to assess appropriateness of care. c. the patient's insurance company may review the patient's chart before providing reimbursement. d. the patient's spouse may access the patient's chart without authorization by the patient.
Which of the following statements regarding the placenta is correct?
A. The placenta allows oxygen, carbon dioxide, and other products to transfer between the mother and fetus but does not allow blood to mix between the mother and fetus. B. The placental barrier consists of two layers of cells and allows the mother's blood that contains high concentrations of oxygen to directly mix with the blood of the fetus. C. The placenta, also referred to as the afterbirth, provides oxygen and nutrients to the fetus and is expelled from the vagina about 30 minutes before the baby is born. D. The placenta allows for the transfer of oxygen and carbon dioxide between the mother and fetus but prevents most medications from passing between the mother and fetus.
What would the partial pressure of oxygen equal if the barometric pressure was 600 mm Hg?
a. 125 mm Hg c. 159 mm Hg b. 100 mm Hg d. 60 mm Hg
Which plane divides the body into inferior and superior portions?
A. Frontal B. Sagittal C. Midsagittal D. Coronal E. Transverse