Multiple Choice
Which ultratrace element was used as a preservative for meat,fish,and dairy products in the early 1900s,considered dangerous for humans in the 1920s,and today,is considered beneficial for humans?
A) cobalt
B) arsenic
C) boron
D) vanadium
Correct Answer:

Verified
Correct Answer:
Verified
Q3: There is little evidence that cobalt plays
Q4: The major detrimental effect of a long-term
Q5: Which ultratrace element is normally consumed at
Q6: Nausea,vomiting,diarrhea,acidosis,and cardiac arrhythmias are associated with acute
Q7: The Dietary Supplement Health and Education Act
Q9: Which ultratrace element enters the cell through
Q10: Human toxicity has been shown as black
Q11: Although all produce symptoms of toxicity,not all
Q12: An ultratrace element that can inhibit many
Q13: Describe the mechanism by which boron is