Select a true statement about the calcium balance mechanism in the body.
A. Osteoclasts secrete enzymes that break down bone and release calcium ions.
B. Osteoblasts and osteoclasts balance plasma calcium concentration through bone remodeling.
C. Osteoblasts secrete a protein matrix that facilitates the deposition of calcium ions.
D. All of these are correct.
Answer: D
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A patient is admitted to the unit in traction for a fractured proximal femur and requires traction prior to surgery. What is the most appropriate type of traction to apply to a fractured proximal femur?
A) Russell's traction B) Dunlop's traction C) Buck's extension traction D) Cervical head halter
An amniocentesis is ordered by a physician. Before the procedure, it is most important that the nurse
a. confirm the client's blood type and Rh factor b. review the results of the AFP test c. validate the gestational age of the pregnancy d. obtain blood chemistry results
Culture is best defined as the:
A. Worldview and traditions transmitted by a group from generation to generation. B. Classification of people according to shared biological characteristics. C. Religious or racial characteristics of a group that set it apart from the larger society of which it is a part. D. Assumption of attitudes, values, and beliefs held by a particular cultural group that have been passed down from one generation to the next.
The nursing assistant can avoid back problems if she
A. exercises every day. B. uses her strong arm muscles. C. bends at the waist. D. lifts using her leg muscles.