Which of the following is TRUE of aging of the cardiovascular system?
A) The cardiac conduction system remains unaffected unless damaged by myocardial infarction.
B) Thickening of the aorta makes aneurysm due to sudden deceleration less likely than in younger patients.
C) The elderly in hemorrhagic shock may not exhibit tachycardia.
D) The left ventricle atrophies due to increased systemic vascular resistance.
C
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________ communications are condensed and ease the overcrowding of radio frequencies
A) Cellular B) Analog C) Digital D) Telephone
Upon arriving at the scene of a call for an injured person, you realize the injury was caused by a trench that caved in. You can see the top of the injured person's hard hat just below the surface of the dirt. You should:
A) ask the coworkers to use shovels to begin digging out the patient. B) put on an SCBA before approaching the trench. C) notify dispatch of the situation and request specialized rescue. D) determine if there is a backhoe available.