The nurse needs to listen with a stethoscope over the trachea. A stridor is a high-pitched sound which can be heard over the trachea. It is a sound which indicates a disrupted airflow, probably caused by a swelling in the airway. A radical neck dissection is an operation for cancer of the oropharynx or salivary glands. One of the biggest risk after this surgery is airway obstruction. A stridor will indicate a probable post-operational problem.
Answer: My best answer for that multiple choice question would probably be popularity in the 1960's. I researched it and people started to do even more drugs during that time.
The higher the blood alcohol count is, the more mentally unstable you are. You will have decreased cognitive functioning and your mental stability is vulnerable to mood swings and what not.