Potassium is an important intracellular electrolyte that
a. Regulates electrical conduction through the heart
b. Regulates water retention by the kidneys
c. Regulates insulin secretion of the pancreas
d. Regulates blood flow to the heart
A
Potassium is the ion that primarily moves across the cell membrane into the intracellular space, causing an electrical impulse. Responses B, C, and D are incorrect. Potassium does not regulate water retention, insulin secretion, or blood flow.
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The recommended sequence of the components of an abdominal examination is inspection followed by
a. palpation, percussion, and auscultation. c. percussion, auscultation, and palpation. b. auscultation, palpation, and percussion. d. auscultation, percussion, and palpation.
In developing a problem statement, a researcher speaks to each of the following except:
A. variables. B. population. C. design. D. focus of study.
A nurse has completed a teaching session for parents about "baby-proofing" the home. Which statements made by the parents indicate an understanding of the teaching? Select all that apply
a. "We will put plastic fillers in all electrical plugs.". b. "We will place poisonous substances in a high cupboard.". c. "We will place a gate at the top and bottom of stairways.". d. "We will keep our household hot water heater at 130 degrees.". e. "We will remove front knobs from the stove.".
Before transferring a dependent patient from bed to chair, you should
A. obtain the mechanical lift. B. know the patient's capabilities. C. have the patient place her arms around your waist. D. ask at least two other nursing assistants to help.