The nurse is providing care for a patient who is immobile and being treated for diabetes mellitus and a urinary tract infection. Which intervention is included in a plan of care to prevent pressure injuries in this patient? (Select all that apply.)

The nurse is completing the Braden scale to predict risk for pressure ulcer development with a patient on bedrest. Which findings does the nurse score as increasing this patient’s risk? (Select all that apply.)

In what ways does content knowledge impact comprehension?

Which of the following groups in the molecule shown below is most likely to participate in an electrostatic interaction involving dipoles?       a.  Ketoneb.  Alkenec.  Aromatic ringd.  Alcohol

Identify the strongest form of intermolecular bonding that could be formed involving the residue of the amino acid histidine

Which of the following statements is generally true regarding the chemical messengers for intracellular receptors? a. They are hydrophilic in order to bind to zinc ions.b. They are hydrophilic in order to dissolve in the cell’s cytoplasm.c. They are hydrophobic in order to enter the nucleus of the cell.d. They are hydrophobic in order to cross the cell membrane.

Which of the following statements is TRUE about the ion channel controlled by the nicotinic receptor? a. Each protein subunit of the ion channel contains three hydrophobic regions which traverse the cell membrane.b. Two of the protein subunits are identical (the alpha-subunits).c. The binding site for the nicotinic receptor is located only on the alpha-subunit which means that there are two binding sites per ion channel.d. Each protein subunit of the ion channel has a lengthy N-terminal intracellular chain.

Which of the following interactions has a directional property? a. Van der Waals interactions.b. Hydrophobic interactions.c. Hydrogen bond. d. Ionic bond.

Which of the following statements about receptors is NOT TRUE?a. Most receptors are proteins situated in the cell membrane.b. Receptors contain a hollow or cleft on their surface for ligand binding.c. Receptors bind chemical messengers such as neurotransmitters or hormones.d. Receptors catalyze a chemical reaction involving the chemical messenger.  

Which of the following statements is true about a peptide bond (RCONHR’)?