Which of the following are abnormal findings?
1) Unexplained weight gain
2) BMI of 21.5 in an adult
3) A waist circumference of 92 cm in an adult female
4) Velcro fasteners in a patient's shirt
5) A patient maintaining eye contact with the examiner
6) A patient with slow or slurred speech
7) A waist circumference of 100 cm in an adult male