Describe the physical or anatomical barriers at the following body sites, and explain how they accomplish body defense: a) eyes, b) skin, c) gastrointestinal tract, d) respiratory tract, and e) urinary tract.

List and give the functions to all extracellular structures of the prokaryotic cell.

A nurse is caring for a client with an intravenous catheter. When administering medication by IV push through the port, the nurse pinches the tubing upstream from the port when instilling the medication. Which of the following reasons explains the nurse’s action?

Physical agents for controlling microbial growth include all of the following, except

All of the following situations indicate that the intravenous route for medication administration is appropriate except:

Compare and contrast antisepsis, disinfection, sanitization, and sterilization with regard to techniques used and level of microbial control achieved.

Mary Jones was just diagnosed with pneumonia and her provider has ordered ceftriaxone 250mg IM.  Which of the following questions is it most important for the nurse to ask Mary prior to giving this injection?

Lipopolysaccharides are found in the 

A nurse needs to administer an intramuscular injection to a client in the client’s dorsogluteal site. Which of the following actions should the nurse perform first to locate the appropriate landmarks and avoid damaging the sciatic nerve?

Explain the steps and all proteins involved in either transcription OR translation in prokaryotes.