What should the nurse suspect a patient is developing when he is observed holding his Bible 6 inches from his face and turns his head to read out of the corner of his eyes?
a. Cataracts
b. Glaucoma
c. Presbyopia
d. Macular degeneration
D
The leading cause of new blindness in old age is macular degeneration, which results in the loss of central vision.
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A child has had a heart transplant. The nurse recognizes that postoperative teaching has been successful when the parents state that the child is on cyclosporin A to:
1. Reduce serum cholesterol level. 2. Prevent rejection. 3. Treat hypertension. 4. Treat infections.
What percent of U.S. adults are overweight or obese?
1. Less than 25% 2. 34% 3. 40% 4. More than 50%
A patient in the intensive care unit has been NPO, taking nothing by mouth, for several days. The nurse is unable to assess bowel sounds. What should be included in the plan to support this patient's nutritional needs?
1. Maintain NPO status. 2. Prepare to assist with implementation of a large bore venous access device to support total parenteral nutrition. 3. Determine best enteral feeding approach and plan implementation. 4. Begin oral feeding with a diet as tolerated as soon as bowel sounds return.
What is the function of ribosomes (also known as ribosomal RNA) in protein synthesis?
A. Serves as an adaptor molecule able to transport a specific amino acid to the site of protein synthesis (peptide chain elongation) in the correct sequence B. Serves as the coordinator molecule to allow proper reading of the mRNA and placement of the correct amino acid in the sequence by the tRNAs C. Allows interpretation of the two strands of DNA to determine which is the "sense" strand and which is the "antisense" strand D. Allows further processing of synthesized proteins (post-translational modification) in order to ensure that the final product is physiologically active