List the three stages of iron deficiency. What visual symptoms could offer clues that a person is iron deficient in the absence of a blood test?
?The first stage of iron deficiency is a loss of iron within iron stores in the body, which is reflected in a decrease in serum iron. The second stage is when serum iron falls and the levels of the iron-carrying protein transferrin increase. Finally, the third stage is when hemoglobin production is impeded, with an increase in hemoglobin precursor accumulation. In the absence of a blood test, iron deficiency can be seen in a lightening of the blood vessels under the skin in pale colored people, and a decrease in the red color of the tongue and eye lining in people of all skin tones.
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Narrowing and hardening of blood vessels caused by buildup of fatty deposits and inflammation of vessel walls is specifically called:
1.aneurysm. 2.atherosclerosis. 3.cardiovascular disease. 4.coronary heart disease.
Which of the following may be used to calculate the amount of energy expended by the body?
a. Oxygen consumed b. Total air exchanged c. Intestinal gas expelled d. Carbon dioxide consumed
Which of the following would represent a source of possible iron contamination?
a. An iron frying pan b. An iron chelate c. A ferric iron supplement d. A ferrous iron supplement
People with allergies to shellfish should not take glucosamine supplements
a. True b. False Indicate whether the statement is true or false