Vitamin K deficiency is most often observed in ____
a. newborns
b. children
c. teenagers
d. adults
e. the elderly
a
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What percentage of the U.S. population is deficient in vitamin D?
a. 6 b. 16 c. 26 d. 36 e. 46
The condition associated with decreased bone strength accompanied by the deterioration of the microarchitecture of bone tissue and low mineral density is ____.?
A) ?osteopetrosis B) ?osteoporosis C) ?osteomalacia D) ?osteogenesis imperfecta
Which of the following vitamins are endogenously produced within the colon?
a. vitamin K and vitamin D b. vitamin K and biotin c. vitamin D and biotin d. vitamin D and pantothenic acid
The process whereby cell changes occur in structure and function leading to specialization is known as cell:
a. transcription b. maintainance c. expression d. differentiation