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  • respiratory
  • Night blindness may be a feature of severe zinc deficiency, however most reports of night blindness and abnormal dark adaptation in humans with zinc deficiency have occurred in combination with other nutritional deficiencies (e.g. vitamin A). Impaired immune function in people with zinc deficiency can lead to the development of respiratory, gastrointestinal, or other infections, e.g., pneumonia. (wikipedia.org)
  • Causes
  • The physical examination performed by the physician concentrates on the following things: Vital signs, in order to determine the severity of bleeding and the timing of intervention Abdominal and rectal examination, in order to determine possible causes of hemorrhage Assessment for portal hypertension and stigmata of chronic liver disease in order to determine if the bleeding is from a variceal source. (wikipedia.org)