In DNA replication, what does the enzyme DNA polymerase do?
a. Travel along the single DNA strand, adding the correct nucleotide to the new strand
b. Move along the double strand of DNA to unwind the nucleotides of the double helix
c. Hold the double strand apart while the correct nucleotides are added to the strand
d. Transport the double strand of DNA from the nucleus to the cytoplasm for protein formation
Answer: a. Travel along the single DNA strand, adding the correct nucleotide to the new strand
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On examination, a nurse finds the patient has a productive cough with green sputum and inspiratory crackles. What other findings does this nurse expect during the examination? Select all that apply
a. Dull tones to percussion b. Increased vibration on vocal fremitus c. Fever d. Decreased diaphragmatic excursion e. A sharp, abrupt pain reported when patient breathes deeply f. Muffled sounds heard when the patient says "e-e-e"
Why are local anesthetic preparations that contain epinephrine contraindicated for use in the areas of the fingers, toes, ears, nose, or penis?
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Nursing has experienced constant change over the past decades as a result of increased research. When determining best practices, nursing decisions should do which of the following? Select all that apply
A) Be based on tradition B) Include holistic approaches C) Be clinically appropriate D) Be cost effective
A compromise from the rigorous standards created by the Department of Health, Education, and Welfare 1973 regulations for the Protection of Human Research Subjects resulted in which of the following?
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