Which of the following is the electrolyte responsible for ...

[B]

Which of the following is the electrolyte responsible for establishing and maintaining the osmolarity and volume of the extracellular fluid?
 
  a. calcium c. sodium
  b. potassium d. phosphate

Question 2

King's open systems theory viewed the family as:
 
  a. the future through birthing of children
  b. both hostile and helpful in ever-changing dynamics
  c. a social system that influences the growth and development of individuals
  d. a family system where children can be nurtured and build a strong sense of identity

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Answer to Question 1

C

Feedback
A Incorrect: The electrolyte calcium is not responsible for establishing and maintaining the osmolarity and volume of the extracellular fluid.
B Incorrect: The electrolyte potassium is not responsible for establishing and maintaining the osmolarity and volume of the extracellular fluid.
C Correct: The electrolyte sodium is responsible for establishing and maintaining the osmolarity and volume of the extracellular fluid.
D Incorrect: The electrolyte phosphate is not responsible for establishing and maintaining the osmolarity and volume of the extracellular fluid

Answer to Question 2

C

Feedback
A Incorrect. King's open systems theory does not contemplate birthing of children as the future.
B Incorrect. King's open systems theory is focused upon growth and development of individuals within the family as environment, not upon hostile and helpful forces.
C Correct. King views the family as a social system that influences the growth and development of individuals. The family is seen as both context and client. King's theory of goal attainment is useful for nurses when assisting families to set goals to maintain their health or cope with problems or illness.
D Incorrect. King's open systems theory argues that the context nurtures all members, adults and children alike.