Chapter 11. The Cardiovascular System. Clicker Questions Pearson Education, Inc.

Transcription

1 Chapter 11 The Cardiovascular System Clicker Questions

2 Oxygen-poor blood is pumped through the venae cavae to the right side of the heart, and then through the pulmonary arteries to the lungs and back to the left side of the heart. a) True b) False

3 Oxygen-poor blood is pumped through the venae cavae to the right side of the heart, and then through the pulmonary arteries to the lungs and back to the left side of the heart. a) True b) False

4 The heart wall is composed of three layers. The deepest layer is called the a) epicardium. b) myocardium. c) endocardium. d) pericardium.

5 The heart wall is composed of three layers. The deepest layer is called the a) epicardium. b) myocardium. c) endocardium. d) pericardium.

6 A heart attack is also known as a) angina. b) pericarditis. c) congestive heart failure. d) myocardial infarction.

7 A heart attack is also known as a) angina. b) pericarditis. c) congestive heart failure. d) myocardial infarction.

8 Which division of the autonomic nervous system acts to stimulate the SA and AV nodes more strongly in times of physical or emotional stress? a) sympathetic division b) parasympathetic division c) somatic division d) central nervous system

9 Which division of the autonomic nervous system acts to stimulate the SA and AV nodes more strongly in times of physical or emotional stress? a) sympathetic division b) parasympathetic division c) somatic division d) central nervous system

10 The right AV valve is the a) tricuspid valve. b) bicuspid or mitral valve. c) semilunar valve. d) pulmonary valve.

11 The right AV valve is the a) tricuspid valve. b) bicuspid or mitral valve. c) semilunar valve. d) pulmonary valve.

12 These blood vessels branch from the ascending aorta and deliver blood supply to the heart. a) carotid arteries b) pulmonary arteries c) coronary arteries d) systemic arteries

13 These blood vessels branch from the ascending aorta and deliver blood supply to the heart. a) carotid arteries b) pulmonary arteries c) coronary arteries d) systemic arteries

14 The largest vein in the body is the a) aorta. b) great saphenous vein. c) inferior vena cava. d) brachiocephalic vein.

15 The largest vein in the body is the a) aorta. b) great saphenous vein. c) inferior vena cava. d) brachiocephalic vein.

16 Which of the following electrolytes modifies heart activity? a) Ca 2+ b) K + c) Na + d) all of the above

17 Which of the following electrolytes modifies heart activity? a) Ca 2+ b) K + c) Na + d) all of the above

18 Excess blood calcium causes prolonged contractions of the heart and may even stop the heart entirely. a) True b) False

19 Excess blood calcium causes prolonged contractions of the heart and may even stop the heart entirely. a) True b) False

20 Heart contractions are known as a) ischemia. b) tachycardia. c) systole. d) diastole.

21 Heart contractions are known as a) ischemia. b) tachycardia. c) systole. d) diastole.

22 is a progressive condition that weakens the heart as a result of atherosclerosis, elevated blood pressure, or myocardial infarctions. a) Coronary thrombosis b) Tachycardia c) Congestive heart failure d) Ischemia

23 is a progressive condition that weakens the heart as a result of atherosclerosis, elevated blood pressure, or myocardial infarctions. a) Coronary thrombosis b) Tachycardia c) Congestive heart failure d) Ischemia

24 The arteries are the final branches of the abdominal aorta that supply the bladder and the rectum. a) lumbar b) renal c) common iliac d) inferior mesenteric

25 The arteries are the final branches of the abdominal aorta that supply the bladder and the rectum. a) lumbar b) renal c) common iliac d) inferior mesenteric

26 This is the term indicating that the heart is beating over 100 beats per minute. a) myocardial infarction b) angina pectoris c) bradychardia d) tachycardia

27 This is the term indicating that the heart is beating over 100 beats per minute. a) myocardial infarction b) angina pectoris c) bradychardia d) tachycardia

28 This is the space that the heart sits in. a) pleural space b) myocardium c) endocardium d) mediastinum

29 This is the space that the heart sits in. a) pleural space b) myocardium c) endocardium d) mediastinum

30 A lack of adequate blood supply to the myocardium is called a) angina. b) ischemia. c) tachycardia. d) bradycardia.

31 A lack of adequate blood supply to the myocardium is called a) angina. b) ischemia. c) tachycardia. d) bradycardia.

32 occurs when there is damage to the AV nodes and the ventricles are partially or fully released from the control of the SA node. a) Angina b) Heart block c) Tachycardia d) Bradycardia

33 occurs when there is damage to the AV nodes and the ventricles are partially or fully released from the control of the SA node. a) Angina b) Heart block c) Tachycardia d) Bradycardia

34 Within the skull, the vertebral arteries join to form this single blood vessel, which serves the brain stem and cerebellum. a) cephalophalic artery b) ductus venosus c) basilar artery d) internal carotid artery

35 Within the skull, the vertebral arteries join to form this single blood vessel, which serves the brain stem and cerebellum. a) cephalophalic artery b) ductus venosus c) basilar artery d) internal carotid artery