1. Multiple Choice: Which of the following conditions is characterized by a decrease in the force of the heart's contraction due to a loss of myocardial contractility? A) Cardiomyopathy B) Myocardial infarction C) Angina pectoris D) Pericarditis Correct Answer: A) Cardiomyopathy Rationale: Cardiomyopathy refers to diseases of the heart muscle where the myocardium becomes weakened and cannot pump blood effectively, leading to a decrease in the force of contraction. 2. Fill-in-the-Blank: __________ is the term used to describe an excess accumulation of fluid in the interstitial spaces or body cavities. Correct Answer: Edema Rationale: Edema is the medical term for swelling caused by excess fluid trapped in the body's tissues, which can occur due to various pathophysiological processes.