The enzyme HIV protease is responsible for activating proteins expressed by the Human Immunodifficiency Virus (HIV) which then attack the host immune system.  This protein has been the target of highly successful drug development in order to block HIV activity.  The image below shows a close-up of the active site of HIV protease bound to the drug Indinavir, showing specific intermolecular interactions.  The atoms making the interactions are labeled.  Match each interaction to its correct type.      

What is the main function of enzymes within a cell?

Ions formed by Potassium and Chlorine help to balance charges across cell membranes.  Compare the atoms Potassium (K) and Chlorine (Cl).  For K, the ionization energy is [IA] and the electron affinity is [EA] compared to Cl.   

Question 20: Which of the following statements is true about cannabis:  

Question 14: When evaluating a new patient who may need controlled substances, it is not necessary on the first visit to:

Question 17: A prescriber or a dispenser (or their designee) must consult the E-FORCSE database for all patients 16 or older when:

Question 5: Urine drug screens:

Question 2:  The NIAAA 1 question screening tool is useful because:

Question 10: In August 2016, the Food and Drug Administration added Boxed Warnings, their strongest warning, to drug labeling of prescription opioid pain and cough medicines and Benzodiazepines stating:

Question 47: What components of the history determine the safety profile for prescribing an opioid for the pain?