You have a patient who has pernicious anemia. Which of the following supplements should she take to improve her symptoms?
A. Vitamin E
B. Vitamin D
C. Iron
D. Vitamin B12
E. Bilirubin
Answer: D
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Answer the following statements true (T) or false (F)
1. Pancreatic beta cells release insulin. 2. Lack of production of insulin by the pancreatic alpha cells can cause diabetes mellitus. 3. An abnormally low level of insulin production may cause glycosuria. 4. The thymus gland is located in the neck and produces thymosin. 5. The placenta produces the substance that can be detected by home pregnancy tests.
What type of agranular leukocyte produces antibodies?
A) Helper T cells B) Natural Kill T cells C) B cells D) monocytes
What ion movement changes the membrane potential in a contractile cell from negative to positive during the rapid depolarization phase?
A) influx of sodium ions B) outflow of potassium ions C) influx of calcium ions D) outflow of calcium ions
What is the action of the brachialis muscle?
A. Flex the forearm B. Flex the arm C. Extend the forearm D. Pronate the forearm