DNA replication requires the enzyme DNA polymerase to:
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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A nursing instructor is teaching about the developmental characteristics of clients diagnosed with moderate intellectual developmental disorder (IDD). Which student statement indicates that further instruction is needed?
1. "These clients can work in a sheltered workshop setting." 2. "These clients can perform some personal care activities." 3. "These clients may have difficulties relating to peers." 4. "These clients can successfully complete elementary school."
During an initial health assessment, the patient's family indicates that his speech has deteriorated, becoming slurred and flat at times. The nurse is aware that the likely cause may be:
A) Possible hearing loss B) Confusion C) Aphasia D) Normal process of aging
When selecting a site to start an IV infusion in an adult, the nurse should select a site
a. in the lower extremities when possible b. on the effected side of a patient who has a mastectomy c. adjacent to a functioning arteriovenous fistula d. on the distal end of a vein in the arm
The nurse determines that a patient's electrocardiogram is demonstrating normal sinus rhythm. What did the nurse observe to come to this conclusion? (Select all that apply.)
a. Regular rhythm b. PR interval 0.16 seconds c. QRS interval 0.20 seconds d. Heart rate 88 beats per minute e. P wave before each QRS complex