1. May be caused by partial occlusion of an artery by atherosclerosis, or from a small embolus, a vascular. spasm: Answer Transient ischemic attack 2. Occurs when the blood and oxygen supply to the myocardium is impaired or the heart is working harder and needs more oxygen: Answer Angia 3. A progressive degenerative disease affecting mortar in rounds in the cere- bral cortex the brain stem and spinal cord: Answer ALS 4. Occurs when the heart is unable to pump sufficient blood to meet the metabolic needs of the body: Answer Congestive heart failure 5. A presence of plaques consisting of lipid cells, fibrin, and cell debris often with attached thrombi: Answer Atherosclerosis 6. A progressive degenerative disease that affects motor function their loss of extrapyramidal activity: Answer Parkinson's disease