Which of the following are true about positive feedback mechanisms? Check all that apply. They help to form blood clots in response to an open wound.

They respond to changes by pushing back in the opposite direction.

They cause the body to sweat when the outside temperature is too warm.

They accelerate a process that has already started.

A5-year-old boy suddenly begins coughing while eating peanuts. he is choking and gagging. when he is brought to the ed, but he is awake and is able to give his name. on physical examination, his vital signs are stable. on examination of the chest, inspiratory stridor and intercostal and suprasternal retractions are apparent. which of the following is the most appropriate initial step in management? - allow patient to clear foreign object by spontaneous coughing- clear oropharynx with multiple blind sweeps with finger- position patient and perform back blows- stand behind patient and perform abdominal thrusts- perform emergency tracheostomy and take to surgery

True or false. repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.

Which of the following is a benefit of the affordable care act? select all that apply. improved quality of healthcare increased health insurance costs increased prescription costs improved protection against health care fraud small business tax increases