To reassure and educate their pregnant patients about changes in their blood pressure, maternity nurses should be aware that:
a. A blood pressure cuff that is too small produces a reading that is too low; a cuff that is too large produces a reading that is too high.
b. Shifting the patient's position and changing from arm to arm for different mea-surements produces the most accurate composite blood pressure reading at each visit.
c. The systolic blood pressure increases slightly as pregnancy advances; the diastolic pressure remains constant.
d. Compression of the iliac veins and inferior vena cava by the uterus contributes to hemorrhoids in the later stage of term pregnancy.
D
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A The tightness of a cuff that is too small produces a reading that is too high; si-milarly, the looseness of a cuff that is too large results in a reading that is too low.
B Because maternal positioning affects readings, blood pressure measurements should be obtained in the same arm and with the woman in the same position.
C The systolic blood pressure generally remains constant but may decline slightly as pregnancy advances. The diastolic blood pressure first drops and then gradu-ally increases.
D This compression also leads to varicose veins in the legs and vulva.
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