Body Structures & Functions Updated
13th Edition
ISBN: 9780357191606
Author: Scott
Publisher: Cengage
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The heart is described as superior to the diaphragm because it isa. in back of the diaphragm.b. in front of the diaphragm.c. above the diaphragm.d. below the diaphragm.
Which of the following is true of the EKG?
A. Depolarization of the atria cannot be seen on the EKG
B. Repolarization of the atria cannot be seen on the EKG.
C. Depolorization of the ventricles cannot be seen on the EKG.
D. Repolorazition of the ventricles cannot be seen on the EKG.
The heart is located in the chest cavity in the space between the lungs called
A. endocardium
B. mediastinum
C. median plane
D. epicardium
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- The tricuspid valve lies between the A. Right atrium and the right ventricle B. Left ventricle and the aorta C. Right ventricle and the pulmonary artery D. Left atrium and the left ventriclearrow_forwardAll of the following are true except A. Pause is defined as heartbeats per minute B. The carotid pulse is felt at the angle of the mandible C. The femoral pulse is felt in the groin D. The radial pulse is felt at the pinky side of the wristarrow_forwardIn terms of being open or closed, what is the state of the mitral and tricuspid valve (left and right atrioventricular valves respectively) at the end of the first heart sound? a. Mitral is closed, Tricuspid is open b. Mitral is open, Tricuspid is closed c. Both are closed d. Both are openarrow_forward
- Which of the following protects the heart? a. visceral pericardium b. parietal pericardiumarrow_forwardThe systemic circulation ends at the: A.right atrium B. right ventricle C. left atrium D. left ventricle The period of ejection: A. begins with the first heart sound and ends with the opening of the AV-valve. B. begins with the second heart sound and ends with the closing of the AV-valve. C. begins with the second heart sound and ends with the opening of the Aortic-valve. D. begins with the opening of the Aortic-valve and ends with the second heart sound. The arterial p02 is relatively low in an individual suffering from congestive heart failur because: A. hemoglobin is mis-shapen and can't bind adequate 02 B. pulmonary ventilation is compromised by the decrease in arterial pCO2 bronchoconstriction increases the total amount of air in the alveoli 02 has difficulty diffusing through the fluid trapped in the lung tissue he volume of blood ejected by the heart per minute is termed: stroke volume cardiac output end diastolic volume end systolic volume ght and Left Ventricular Pressures are…arrow_forwardThe heart chamber that receives oxygenated blood from the lungs of animals with a double circulation is the a. left atrium. b. right ventricle. c. left ventricle. d. right atrium.arrow_forward
- Which heart valve(s) is/are open during the Ejection phase of the cardiac cycle? A. Tricuspid B. Aortic semilunar valve C. Bicuspid D. Both B & Carrow_forwardSelect the letter of the choice that best completes the statement. The muscle layer of the heart is called the a. myocardium. b. endocardium. c. pericardium. d. pleural lining.arrow_forwardSelect the letter of the choice that best completes the statement. The outer layer of the heart is called the a. myocardium. b. endocardium. c. pericardium. d. pleural lining.arrow_forward
- The Brachiocephalic artery is a: A. Branch of the ascending aorta B. Branch of the abdominal aorta C. Branch of the arch of the aorta D. Branch of the thoracic aortaarrow_forwardThe Esophageal artery is a: A. Branch of the ascending aorta B. Branch of the abdominal aorta C. Branch of the arch of the aorta D. Branch of the thoracic aortaarrow_forwardIt is important to have the appropriate cuff size when taking the blood pressure. What error may result from a cuff that is too large or too small? a. An incorrect reading b. Injury to the patient c. Prolonged pressure on the arm d. Loss of Korotkoff soundsarrow_forward
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