(Answered) Next Generation NCLEX Case study: Helena Farentano, 79 years old, is being admitted to the hospital for evaluation of weakness and lightheadedness.

Helena Farentano, 79 years old, is being admitted to the hospital for evaluation of weakness and lightheadedness. While gathering subjective data, the nurse discovers that Helena has experienced frequent episodes of weakness and lightheadedness over the past 3 weeks. Helena tells the nurse that she was brought to the hospital by her son after such an episode this morning, during which she fell. She tells the nurse that she is a widow and lives alone but that her son lives close by and helps her with whatever she needs. Helena's temperature is 99° F (37.2° C), apical pulse is 92 beats/min, respiratory rate is 22 breaths/min, and blood pressure is 100/58 mm Hg. Helena tells the nurse that she has generally been in good health and usually eats a balanced diet but that over the past 3 months or so her appetite has been poor. Laboratory studies and diagnostic tests have been prescribed