Chapter 1, Problem 6FITB

VII. Fill in the blanks to complete the sentences. Choose from the words provided in the Word Bank. ANTERIOR DESCENDING CORONARY SINUS RELAXATION ASCENDING AORTA INTERVENTRICULAR SEPTUM RIGHT CIRCUMFLEX LEFT SUPERIOR VENA CAVA CONTRACTION LEFT VENTRICLE 1. The right and left coronary arteries arise from the 2. The coronary artery supplies blood to the right atrium, part of the left atrium, most of the right ventricle, and the inferior part of the left ventricle. 3. The left coronary artery branches into the_ 4. The left coronary artery supplies blood to the left atrium, most of the left ventricle, and most of the and arteries. 5. Most cardiac veins empty into the heart's posterior, which returns blood to the right atrium. 6. The coronary arteries receive their supply of blood during ventricular 7. The most abundant blood supply goes to the myocardium of the a large transverse vein on the

Circle True or False for the following questions. If false, underline and change word(s) that are incorrect to make the statement true. 1. Increasing heart rate increases blood pressure. True or False 2. Systemic vasoconstriction decreases blood pressure. True or False 3. Increasing arterial blood pressure increases blood flow. True or False 4. Recoil of muscular arteries maintains blood flow during ventricular diastole. True or False 5. Muscular arteries control the blood flow to different body areas. True or False 6. Vasoconstriction of the renal arteries (arteries supplying blood to kidneys) would decrease blood flow to the kidneys. True or False 7. Blood pressure is higher in the supine position than in the standing position. True or False 8. The greater the pulse pressure, the lower the pressure gradient driving blood from the aorta through the systemic circulation. True or False 9. Exercise increases MAP. True or False

Circle True or False for the following questions.1. The heart beats without extrinsic stimulation from the autonomic nervous system. True or False 2. Autorhythmic cells are located only in the interventricular septum. True or False 3. Each heart chamber contracts separately, first the right atrium, then the right ventricle, left atrium, and left ventricle. True or False 4. The ECG records the electrical stimulation of cardiac muscle by the conduction system and not the contraction of the muscle itself. True or False 5. The normal pacemaker of the heart is the AV node. True or False