A patient who is receiving methotrexate for severe rheumatoid arthritis develops a megaloblastic anemia. The nurse will anticipate teaching the patient about increasing oral intake of
a. iron.
b. folic acid.
c. cobalamin (vitamin B12).
d. ascorbic acid (vitamin C).
ANS: B
Methotrexate use can lead to folic acid deficiency. Supplementation with oral folic acid supplements is the usual treatment. The other nutrients would not correct folic acid deficiency, although they would be used to treat other types of anemia.
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In a normal adult, the shape of the thorax is
a. wider from front to back than from side to side. b. wider from side to side than from front to back. c. the same width side to side as front to back. d. the same in infancy and throughout adulthood.
Which of the following is considered a primary source of data?
a. results of diagnostic tests c. family b. medical records d. patient
Accommodation in far vision is accomplished by:
A) Increasing pressure in the Schlemm's canal. B) Increasing blood flow in the choroid layer. C) Flattening the lens. D) Stimulating rods and cones.
Which is the proper sequence of examination for the abdomen?
A) Auscultation, inspection, palpation, percussion B) Inspection, percussion, palpation, auscultation C) Inspection, auscultation, percussion, palpation D) Auscultation, percussion, inspection, palpation