8.3 Explain what determines the shape of the active site of an enzyme. (1)

2.2 Describe how the structure of veins ensures the flow of blood in one direction only. (1)

8. Proteases are enzymes used in biological washing powders.  

6. Liposomes are spherical structures composed of phospholipids. They can be made by adding phospholipids to water. Liposomes can be used to study membrane permeability.     The diagram shows a liposome.     Right-click on the blue button to open Fig 6.1        

5. Nucleic acids include DNA and RNA.  Each single strand of a DNA molecule is synthesised from mononucleotides.      Right-click on the blue button to open Fig 5.1        

Katie is a pediatric RN taking care of 6 year old Alexandra. Alexandra is scheduled for an MRI in an hour. Which of the following actions by Katie would be consistent with pre-procedure care for an MRI? Select all that apply.

The nurse is caring for the pediatric patient on furosemide (Lasix) and digoxin (Lanoxin) for congestive heart failure.  Which of the following lab results should be reported to the physician immediately (priority)?

In a child with Congenital Adrenal Hyperplasia, the nurse expects which of the following hormones to be elevated?

Which action related to insulin administration should the nurse include in the teaching plan for an adolescent client who has been newly diagnosed with diabetes mellitus to avoid the development of lipoatrophy?

Kayla is a 16 year old with an intra-cavity radiation. Which of the following nursing considerations must be implemented? Select all that apply.