The size of the human genome is 3.2x109bp. The 3.2kb long fragment is to be amplified by Polymerase Chain Reaction (PCR) using the human genome as a template. How many cycles of PCR is necessary for the amplified target sequence at least 50% (by mass) of the total DNA in the reaction mixture. Explain how you arrived to this number.

Anurse is reviewing the medication administration record of a client who reports having a dry productive cough for the past 2 weeks. which of the following medications should the nurse report to the provider? a. furosemide b. lisinopril c. diltiazem d. metoprolol

Anurse is teaching a client who has a new prescription for nitroglycerin patches. the nurse should identify which of the following statements as an indication that the client understands the teaching? a. “i will move the patch to my leg if i get a headache.” b. “i will rotate the application site to avoid skin irritation.” c. “i will apply a new patch if i have chest pain.” d. “i cannot take a sublingual tablet of nitroglycerin after applying the patch.”

Aclient’s transdermal fentanyl was discontinued 2hr ago due to adverse effects. which of the following findings is the priority for the nurse to document? a. heart rate b. respiratory rate c. bowel sounds d. activity level