Sterol has four connecting rings made of which of the following elements?
A) hydrogen and oxygen B) carbon and oxygen
C) calcium and hydrogen D) carbon and hydrogen
D
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Which of the following statements about food irradiation is false?
A. It is also called cold pasteurization B. It causes food to be slightly radioactive C. It is considered a food additive D. It is used to destroy pathogens and increase shelf life
What is sibutramine (Meridia)?
Which of the following statements is not true of the physiology of the nephron?
a. The afferent arteriole carries blood to the glomerulus. b. As the filtrate passes through the network of tubules, reabsorption of amino acids, glucose, selective minerals, and water occurs. c. The cells of the loop of Henle perform active transport. d. The blood is filtered via active transport and passive diffusion.
Which of the following conditions is a major cause of death among pregnant women in the United States?
A. Severe morning sickness B. Eclampsia C. Iron deficiency D. Pica