Answer to Question 1
A
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A Correct. Biotransformation is also called metabolism, refers to the transformation or alteration of chemical structures from their original form. This transformation facilitates excretion.
B Incorrect. Absorption is the process thereby drugs move from the site of administration into the bloodstream, not biotransformation.
C Incorrect. Excretion is the removal of the modified substances, but is not the same as biotransformation.
D Incorrect. Though anabolism is a constructive metabolism characterized by the conversion of simple substances into more compounds of living matter, building up, not he same as biotransformation.
Answer to Question 2
A
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A Correct. Farming and ranching remains a major family enterprise in America, and represents the most hazardous occupation. Heavy machinery, livestock, physical labor involving heavy lifting, pesticide and herbicide exposure, exposure to viral, bacterial and fungal infections are on the short list of hazards. Children are more vulnerable to all these risks than are adults.
B Incorrect. Agriculture surpassess mining and construction as the most hazardous occupation in the United States.
C Incorrect. Agriculture as more hazardous than construction in the United States.
D Incorrect. Medical occupations are among the safest in the United States.
Wood first appeared in plants called progymnosperms.
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