Which one of the following statements about the effects of aging on the cardiovascular system is true?
A) A "normal" blood pressure may actually represent shock in a patient with chronic hypertension.
B) The heart rate decreases to compensate for weakening of the heart muscle.
C) An increased heart rate leads to an increase in cardiac output.
D) The strength of cardiac contractions increases to compensate for a natural decrease in heart rate.
A
Health Professions
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When performing EMS tasks, which of the following would have the greatest potential for errors?
A) Communicating either orally or verbally B) Taking the patient's blood pressure C) Assessing the patient's health history D) Identifying resources
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As a person ages, the pulpal portion may ________ in size
a. decrease b. increase c. remain the same d. double
Health Professions