Content Preview

NUR 376 PATHOPHYSIOLOGY EXAM 1 2025 QUESTIONS AND ANSWERS Brian, age 28, began an aerobic exercise program 2 years ago. Brian now competes in long-distance cycling events and considers himself to be an endurance athlete who is in the "best shape of his life." An echocardiogram reveals a slightly enlarged left ventricle. What cellular change or injury that is best exemplified by the case scenario. - ....ANSWER ...-Physiologic hypertrophy An ADAPTIVE type of hypertrophy that occurs due to extensive exercise, whereby the heart will create new blood vessel branches (angiogenesis) and there is increased mitochondria, ATP, and actin/myosin filaments in the muscle. Recently, Karen learned that not only does HIV directly attack CD4 cells, but the presence of the virus seems to activate pathways responsible for programmed cell death in CD4 cells. Thus, HIV infection appears to increase the rate of "suicide" for CD4 cells. - ....ANSWER ...-Apoptosis ....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1