For the following questions, use an ICD-9-CM code book and select the appropriate code(s) for the diagnostic phrases given
Idiopathic hypotension, permanent
458.1
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A geriatric patient's cardiovascular response to stress, illness, and injury is different than that of younger patients. Which of the following statements is false?
a. As the heart ages, the ventricles become stiffer. b .The volume of blood in the body decreases in geriatric patients. c. The heart slows due to decreased electrical conductivity in geriatric patients. d. Blood vessels become stiffer from atherosclerosis in geriatric patients.
The first sound heard, by stethoscope, when deflating a sphygmomanometer cuff is known as which of the following?
a. Atrial systole c. First heart sound b. Systolic pressure d. Diastolic pressure
The mean is commonly considered to be the ________
A) Most frequently occurring value B) Midpoint C) Average D) Both A and B E) All of the above
Reference information within the ICD-9-CM is contained in the __________ of Volume 1 of the ICD-9-CM
Fill in the blank(s) with correct word