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EMT Final Exam Questions With Complete Solutions Última actualización de este documento:   hace

With increasing age, the heart must work harder to move the blood effectively because? Pg 252 A. the blood vessels become stiff. B. the arteries dilate significantly. C. diastolic blood pressure decreases. D. the blood thickens as a person ages. correct answer: A. the blood vessels become stiff. As the blood vessels become stiffer, the heart must work harder to be able to move the blood effectively. The cervical spine is MOST protected from whiplash-type injuries when the? Pg 855 A. ...