You are given an isolated muscle with its motor nerve intact. This preparation is arranged so that you can make electrophysiological measurements from the nerve and the muscle as well as mechanical measurements of the muscle contraction. You observe that if caffeine is added to the fluid bathing the preparation, […]

1. The pka values of a compound with two ionizable groups are pk1=4.10 and pk2 between 7 and 10.  We have 10 mL of a 1.0 M solution of this compound at a pH of 8.0.  She adds 10.0 mL of 1.0 M HCL, which changes the pH to 3.20.  What is […]

1. While using a compound microscope, you observe a cell that is undergoing mitosis. You see double stranded chromosomes and a partial nuclear membrane. What phase is this cell in? 2. You are examining a slide showing cells undergoing mitosis. You see a cell in which a centriole is at […]

Should an established patient be allowed to just “call-in” to the doctor’s office and receive prescription refills without coming in for an office visit? What risks does this pose for the physician’s office by ‘just “calling in meds”? Explain if there is a time that it would be appropriate for the physician to ‘just call in a prescription’? When answering this question I would like you to consider the […]