Natural selection causes organisms with beneficial traits to prouce more which causes these beneficial traits to become more in the future.

Its incorrect i just took the quiz and it turned out to be wrong

The patient has increasing neck swelling. the neck swelling may lead to respiratory difficulty, and rapid intervention is needed to prevent airway obstruction. the incisional pain should be treated but is not unusual after surgery. a heart rate of 112 is not unusual in a patient who has been hyperthyroid and has just arrived in the pacu from surgery. sleepiness in the immediate postoperative period is expected.