MrClayton,a 60-Year-Old Accountant,has Been Admitted to the Intensive Care Unit

Mr.Clayton,a 60-year-old accountant,has been admitted to the intensive care unit (ICU) with a myocardial infarction.Two days after his admission he states that he is tired and has not slept well since admission.He appears anxious,tense,and seems disoriented at times.Considering Mr.Clayton's symptoms,what nursing measures would be implemented?

A) Encourage environmental changes
B) Encourage visits by family and friends
C) Explain sounds in the environment
D) Encourage the use of crossword puzzles