A 12 year old boy is stung by a bee while playing in his back yard. In the past, he has had severe reactions to insect stings, which required emergency room visits and the depending of an epinephrine injector (EpiPen). On this occasion, by the time he reaches the door to tell his mother, he is covered in hives, is audibly wheezing, and passes out suddenly in the foyer. His mother immediately calls 911 and administers the prescribed intramuscular epinephrine dose into the boy’s thigh with the EpiPen. The child recovers consciousness rapidly; at the arrival of the ambulance, he is breathing easier and complaint of itching all over. paramedics report normal blood pressure and tachycardia. Give the patients symptoms, what is the likely medical problem? which adrenergic receptors were stimulated to restore the patients normal blood pressure and return to consciousness, and what responses did this invoke? which adrenergic receptors must be stimulated to relieve the patients tachycardia, and what response did this invoke? which adrenergic receptors were likely stimulated by the medication, and what response did these invoke that improved his breathing?
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