A 24-year-old primigravid women at 28 weeks gestation has had nagging headaches a puffy looking face and swollen legs for the past week

A five-year-old girl is brought to the emergency department because of fever and severe abdominal pain

A full term female newborn is examined shortly after birth

A 43-year-old woman comes to the physician because he has not had a menstrual period for three months

A 26-year-old woman is brought to the ER three hours after ingesting approximately 50 tablets of aspirin in a suicide attempt

A 76-year-old man with a history of prostatic hypertrophy has the recent onset of increased difficulty urinating

A comatose 35-year-old man is admitted to the hospital after being involved in a motorcycle collision

A 73-year-old woman comes to the physician because of a two month history of diffuse weakness and tingling of her arms and legs

A 35-year-old man who works at a facility processing highly radioactive substances accidentally receives a high whole body dose of ionizing radiation

A three month old male infant is brought to the physician because of recurrent viral infections and rashes over his trunk