Dyspnea, tachycardia, and pallor-rationale: signs of iron deficiency anemia include dyspnea, tachycardia, and pallor, as well as fatigue, listlessness, irritability, and headache. night sweats, weight loss, and diarrhea may signal acquired immunodeficiency syndrome. nausea, vomiting, and anorexia may be signs of hepatitis b. itching, rash, and jaundice may result from an allergic or hemolytic reaction.client needs category: physiological integrityclient needs subcategory: physiological adaptationcognitive level: applicationreference: smeltzer, s.c., et al. brunner and suddarths textbook of medical surgical-nursing, 11th ed. philadelphia: lippincott williams & wilkins, 2008, p. 1046.