4502 Unit 2 Exam. Test 2024 Questions And Answers

varicose veins {Ans: abnormally swollen, twisted veins with defective valves; most often seen in the legs}systemic circulation {Ans: circulation that supplies blood to all the body except to the lungs}thrombosis {Ans: abnormal condition of a blood clot}In allergic rhinitis, _____ binds to mast cells and induces them to release histamine. {Ans: IgE}The _____ are surrounded by blood capillaries and are the site of gas exchange. {Ans: alveoli}aortic aneurysm {Ans: diagnosis of enlarged aorta; due to a weakened aortic wall}