Which of the following lipids is essential for membrane fluidity and as a precursor for bile acids and hormones?

The use of low-dose CT scan in place of a conventional PET transmission scan _________.

__________ is hypotension plus tachycardia.  Select the best answer.

An 82 year old man has a 30-year history of alcoholism. He visits his physician because of swelling in his abdomen. An increase in which of the following is most likely the cause of the ascites?

Immediate phosphorylation of glucose by __________ prevents diffusion out of the cell.  

What is the approximate maximum percentage of single events that are converted into a true annihilation event?

A deficiency of which of the following is most likely to cause scurvy in humans?

__________ is the measured x-ray photon information.

A 56 year old woman with chronic liver disease is brought to the ER because of confusion, a decreased LOC, personality changes, and intellectual impairment. Lab tests support a diagnosis of liver encephalopathy. Which of the following blood factors is the most likely cause of this condition?

Which of the following best describes the primary location of degradation and oxidation of fatty acids in cells?