All of the following are correct statements regarding a durable power of attorney's role except? a. their decisions are legally binding b. it can be used in other areas of a patient's life such as financial issues c. they can decide for the patient who is on life support when it can be terminated d. the patient's spouse has the right to override a durable power of attorney {Ans: d}Human chorionic gonadotropin is produced by the? a. placenta b. hypothalamus c. anterior pituitary d. ovaries {Ans: a}In small children with acquired immunodeficiency syndrome (AIDs), which of the following vaccines is contraindicated? a. diphtheria and tetanus b. hepatitis B and mumps c. varicella d. Td and oral polio {Ans: c}A multigravida who is at 28 weeks gestation has a fundal height of 30 cm. Which of the following is the best recommendation for this patient? a. advise the mother that her pregnancy is progressing well b. order an ultrasound of the uterus c. refer her to an obstetrician for an amniocentesis d. recommend bedrest with bathroom privileges {Ans: a}Which of the following antihypertensive medications should the nurse practitioner avoid when treating patients with emphysema? a. calcium channel