Inadequate respiratory muscle strength is likely when a patient's MVV is which of the following?

Your brother-in-law tells you that he and a group of friends are going to be doing some backcountry skiing. You ask him if they know what to do in case of an avalanche. Which of the following responses would indicate to you that your brother-in-law has thought about this possibility?

a. "Everyone in the group has a cell phone and an avalanche transceiver." b. "There are a lot of us in the group, so we should be able to rescue someone ourselves." c. "Because it is late spring, I don't think we would have much to worry about." d. "We are not going to a very remote area, so we should be able to have searchers there in a couple of hours."

Heat, salt, and solvents can ________ protein, changing its shape

Fill in the blank(s) with correct word