Which of the following minerals and vitamins are usually recommended to supplement a pregnant woman's diet?
1. Fat-soluble vitamins A and D
2. Water-soluble vitamins C and B6
3. Iron and folate
4. Calcium and zinc
3
1. Incorrect. Fat-soluble vitamins should be supplemented as a medical prescription, as D might be for lactose-intolerant women.
2. Incorrect. Water-soluble vitamin C sometimes is in excess naturally; B6 is prescribed only if the woman has a very poor diet.
3. Correct. Iron should generally be supplemented and folic acid supplements often are needed because folate is so important.
4. Incorrect. Zinc is sometimes supplemented. Most women get enough calcium.
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During the physical examination of a patient with respiratory difficulty, the nurse notices other clues to respiratory dysfunction, which are (select all that apply):
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What is an important limitation of secondary sources in literature reviews?
a. The authors do not have high levels of expertise. b. They are usually not peer-reviewed sources. c. They do not contain unique or original information. d. They may contain misinterpreted information.
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