The image shows a medical terminology class activity worksheet divided into three sections. Section 1: Identify the correct combining form for the meanings: chest, vein, vessel, heart, fatty paste, circle, pulse, clot, artery, lobe. Section 2: Match terms with their meanings: atherosclerosis, infarct, hypotension, vegetation, embolus, occlusion, hypertension, thrombus, constriction, normotension, angina, claudication, ischemia, arteriosclerosis, aneurysm. Section 3: Write the full medical term for the abbreviations: PVC, PDA, ASHD, ICD, CHF, CAD.

Answer
Section 1 - Combining Forms: 1. chest: pector/o; 2. vein: phleb/o; 3. vessel: angi/o; 4. heart: cardi/o; 5. fatty paste: ather/o; 6. circle: coron/o; 7. pulse: sphygm/o; 8. clot: thromb/o; 9. artery: arteri/o; 10. lobe: lob/o. Section 2 - Matching: 11. atherosclerosis: h. buildup of fat; 12. infarct: o. scar left by necrosis; 13. hypotension: n. low blood pressure; 14. vegetation: i. growth of tissue; 15. embolus: g. traveling clot that obstructs when it lodges; 16. occlusion: j. a plugging; 17. hypertension: a. high blood pressure; 18. thrombus: c. stationary clot; 19. constriction: l. compression; 20. normotension: e. normal blood pressure; 21. angina: m. cramp in heart muscle; 22. claudication: d. cramp in leg muscle; 23. ischemia: k. loss of blood flow; 24. arteriosclerosis: f. hard, nonelastic condition; 25. aneurysm: b. bulging of a vessel. Section 3 - Abbreviations: 26. PVC: Premature Ventricular Contraction; 27. PDA: Patent Ductus Arteriosus; 28. ASHD: Arteriosclerotic Heart Disease; 29. ICD: Implantable Cardioverter Defibrillator; 30. CHF: Congestive Heart Failure; 31. CAD: Coronary Artery Disease.