The fact that one microgram of retinol and 12 micrograms of dietary beta-carotene are both equal to one retinol activity equivalent indicates that _____
a. retinol has greater activity than beta-carotene
b. beta-carotene is not a significant dietary source of vitamin A
c. toxicity is more likely to occur with beta-carotene than retinol
d. beta-carotene is absorbed and converted less efficiently than retinoids
e. most individuals would benefit from retinol supplements
d
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Which is the true statement about iron losses?
a. when red blood cells die, the iron in the cells is excreted. b. most loss of iron from the body is associated with blood loss. c. there is significant loss of iron through the urinary tract. d. iron from red blood cells binds to calcium and is excreted through the large intestine.
For which of the following clients would diet progression be appropriate?
a. Betty, who just had gallbladder surgery and is being discharged on a standard diet b. Jim, who has been on a clear liquid diet and now is ready to start eating solid foods again c. Susan, who has been diagnosed with celiac disease and must exclude gluten from her diet d. David, whose cancer has returned and has been transferred to hospice care.
Which condition is associated with irritable bowel syndrome?
A. pernicious anemia B. Graves' disease C. systemic lupus erythematosus D. type 1 diabetes E. temporomandibular joint (TMJ) syndrome
The human life span remain stable at approximately _____ years
a. 95-101 b. 102-104 c. 105-110 d. 110-120 e. 120-125