1. drains blood into the right atrium 2. tricuspid and mitral valves 3. discharging chambers of the heart 4. innermost layer of the pericardium 5. receiving chambers of the heart 6. layer composed of cardiac muscle 7. provide nutrient blood to the heart muscle 8. visceral pericardium 9. pulmonary and aortic valves Key: atria atrioventricular valves coronary arteries coronary sinus endocardium epicardium myocardium semilunar valves shoventricles
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- 3. Match the terms in the key to the descriptions provided below. Key: 1. location of the heart in the thorax a atria 2. tricuspid and mitral valves b. atrioventricular valves 3. discharging chambers of the heart C. coronary arteries 4. visceral pericardium d. coronary sinus 5. receiving chambers of the heart endocardium e. 6. layer composed of cardiac muscle f. epicardium 7. provide nutrient blood to the heart muscle mediastinum g. 8. lining of the heart chambers h. myocardium 9. pulmonary and aortic valves i. semilunar valves 10. drains blood into the right atrium j. ventriclesFill in the blank with the correct term. 1. Term used for arterial pressure during ventricular systole 2. Term used for arterial pressure during ventricular diastole 3. Device used to measure arterial blood pressure in the brachial artery 4. Average normal adult arterial blood pressure 5. Average venous blood pressure 6. Sounds of turbulent blood flow that occur when blood flow resumes in an artery that has been occludedMatch the terms in column A with the descriptions in column B. Column B1. upper chamber of the heart2. structure from which chordae tendineae originate3. prevents blood movement from right ventricle to right atrium4. double-layered membrane around heart5. groove separating left and right ventricles6. prevents blood movement from left ventricle to left atrium7. gives rise to left and right pulmonary arteries8. drains blood from myocardium into right atrium9. inner lining of heart chamber10. layer largely composed of cardiac muscle tissue11. space containing serous fluid to reduce friction during heartbeats12. drains blood from myocardial capillaries13. supplies blood to heart muscle14. distributes blood to body organs (systemic circuit) except lungs15. groove separating atrial and ventricular portions of heartColumn Aa. aortab. atrioventricular sulcusc. atriumd. bicuspid (mitral) valvee. cardiac veinf. coronary arteryg. coronary sinush. endocardiumi. interventricular sulcusj.…
- 8. Circle the term that does not belong in each of the following groupings. 1. AV valves closed AV valves open. SA node is pacemaker Ventricular systole 2. No P wave 3. Ventricles fill 4. Early diastole Semilunar valves open Ventricular pressure drops 5. Stenotic valve Restricted blood flow Heart sound after valve closes 6. Isovolumetric ventricular systole Semilunar valve closed Ventricular systole AV node is pacemaker AV valves open Semilunar valves open Junctional rhythm Late diastole Isovolumetric relaxation High-pitched heart sound Blood volume unchanging AV valve openMatch the following terms with their meanings below: coronary arteries normal sinus rhythm mitral valve deoxygenated blood pacemaker murmur myocardium electrocardiogram pericardium endothelium 1. Double-layered membrane surrounding the heart - 2. Muscular, middle layer of the heart - 3. Positioned between the left upper and lower heart chambers 4. Innermost lining of blood vessels - 5. Resting rate of 60 to 100 beats per minute - 6. Blood lacking in oxygen - 7. Blood vessels that carry oxygen-rich blood to the heart muscle - 8. Abnormal heart sound – 9. Specialized nervous tissue in the right atrium that begins the heartbeat; sinoatrial node - 10. Record of the electricity flowing through the heart -fill in the blank with the word that fits the description. 1. Anterior branch of the left coronary artery; lies in anterior interventricular sulcus 2. Posterior branch of the right coronary artery; lies in posterior interventricular sulcus 3. Branch of the left coronary artery that curves around left side and lies in the coronary sulcus 4. Branch of right coronary artery that supplies the anterior right ventricle 5. Branch of left coronary artery that supplies both ventricles 6. Shorter coronary artery that is hidden anteriorly by pulmonary trunk 7. Vein that drains coronary circulation into right atrium 8. Vein that drains most of anterior ventricles 9. Vein that drains the posterior ventricles 10. Vein that drains the right anterior side
- lluminate the Truth Heart Valves Highlight the correct word or phrase in each of the following sentences. 1. (Nerve impulses) (Pressure changes within the heart) trigger the opening and closing of the heart's valves. 2. A heart valve that fails to prevent the backflow of blood during contraction is called (incompetent) (stenotic), and the condition it causes is called valvular insufficiency. 3. (Valvular stenosis) (Regurgitation) is a condition resulting when a heart valve becomes narrowed, such as from scar tissue. 4. The mitral valve consists of (three) (rwo) cusps or leaflets. 5. The pulmonary and aortic valves are also called (semilunar) (tricuspid) valves. 6. The valves regulating flow between the atria and the ventricles are called (atrioventricular) (semilunar) valves. 7. The semi-rigid, fibrous connective tissue encircling each valve is called the (skeleton) (epicardium) of the heart. 8. Tendinous cords called chordae tendinecae work to (pull the valves open when the heart…Disorders of Circulatory System Read the statements given below and select the correct option: I. A defect in the region of fossa ovalis leads to the formation of ostium secundum type ASD. II. Malformation of the cusps of aortic valve causes pressure hypertrophy of the left ventricle and atrium. III. When the deoxygenated blood by passes the lungs and enters the systemic circulation, a condition called left-to-right circulatory shunt takes place. (a) I and II are incorrect; III is correct (b) II and III are correct; I is incorrect (c) I and II are correct; III is incorrect (d) II and III are incorrect; I is correctFill in the blank with the correct term.1. The first heart sound heard is _______________ that is due to blood hitting against the _______________ valves.2. The second heart sound heard is _______________ that is due to blood hitting against the _______________ valves.
- Match each term in Column I with its correct description in Column II. COLUMN I COLUMN II 1. capillaries a. small arteries that lead to capillaries b. deposit of fatty substances in the arteries c. blood pressure over 140/90 d. permit blood flow in only one direction e. goes to the liver from the small intestine f. blood vessels that carry blood back to the heart g. largest artery in the body 2. valves 3. arterioles 4. aorta 5. coronary 6. hypertension 7. atherosclerosis 8. portal vein 9. superior and inferior vena cavae 10. arteriosclerosis h. loss of elasticity in the arteries i. connect arterioles with venules j. arteries that nourish the heartMatch the following terms: _________refers to the blood flow force that stretches the ventricle at the end of diastole. __________is the force of ventricular contraction. 3.__________is the resistance to ventricular ejection of blood, which is caused by opposing pressures in the aorta and systemic circulation. __________the heart pumps deoxygenated blood from the right ventricle through the pulmonary artery to the lungs. _________the heart pumps blood from the left ventricle to the aorta and into the general circulation. a. Contractility b. Preload c. Afterload d. Pulmonic Circulation e. Systemic Circulation3. Evaluate the following statements as true or false T/F T/F T/F T/F T/F Jet lesions are most common in the left ventricle The tricuspid is situated between the left atrium and left ventricle The endocardial layer is thickest in the atria Systole is when semilunar valves close to prevent blood backflow into the heart The sinoatrial and atrioventricular nodes are similar histologically