A patient has come into the emergency room with her friend. Her friend states that she had been acting very strangely and confused. The friend states that the patient has diabetes and takes insulin. The nurse knows that signs and symptoms of hypoglycemia include:
1. slow pulse rate and low blood pressure.
2. irritability, anxiety, confusion, and dizziness.
3. flushing, anger, and forgetfulness.
4. sleepiness, edema, and sluggishness.