Which statement best defines pregnancy?
a. a fertilized egg that has begun cell division
b. the joining of an egg and a sperm
c. the period of about 40 weeks when a developing embryo or fetus is in the uterus
d. the process by which the uterus contracts to push the fetus out of the woman's body through the vagina

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