One blood test checks the amount of ferritin in the blood Wh

One blood test checks the amount of ferritin in the blood. What is ferritin, and what is its function? a. It is the primary protein for iron storage. b. It is the main lipid that binds to iron c. It is a lipoprotein that binds to iron. d. It bonds with hemoglobin for oxygen transport. 18. Lipoprotein (a), an LDL, is typically determined by genetics and not lifestyle. Increased levels of Lp(a) in the bloodstream can be indicative of a. anemia b. juvenile diabetes c. inflammation in the walls of the arteries or even hardening of the arteries d dementia 19. Which of these is an incorrect statement regarding proteins? a. A capsid is the protein shell of a virus. b. Collagen is a structural protein. c. Insulin is a hormone made by the pituitary gland which regulates metabolism. 20. Which vitamin is vital for the mechanism of blood-clotting? 22. An elevated blood urea nitrogen (BUN) may be due to any of these except- a. dehydration b. a diet too low in protein c. congestive heart failure or recent heart attack d. certain medications (such as some antibiotics) e. impaired kidney function 23. Which statement about (serum) bilirubin results is incorrect? a. Bilirubin, a brown-yellow substance in bile, is produced from the decomposition of old red blood cells. b. Bilirubin test results are expressed as direct, indirect or total bilirubin. c. Higher than normal bilirubin results may indicate kidney damage or disease. d. Newborn jaundice can occur when babies have a high level of bilirubin. About half of all newborns develop jaundice. 24. In 1900 Karl Landsteiner, an Austrian scientist, identified O, A, and B blood types.

Solution

17. a

18. c (increased LDL indicates heart diseases)

19. c (insulin is a hormone secreted by the pancreas)

20. d (vitamin K is responsible for blood clotting)

21. d

22. b (low protein diet decreases BUN)