Those in the agriculture industry need to be particularly mindful of safety because A. professional standards are updated more than most other industries. B. it is significantly more dangerous than most other industries in the United States. C. most farmers are not aware of the risks associated with working in agriculture. D. it is the only industry in the United States that deals with poisonous substances. R

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.