Reference no: EM133918572

Questions

1. Arteries are:

A. Large vessels that transport lymph fluid to the body

B. Large blood vessels that have thin walls

C. Vessels that transport blood to the heart

D. Vessels that transport blood away from the heart

E. Have valves to prevent backflow

2. Which of the following statements is NOT true about capillaries?

A. They carry blood away from the heart

B. Their walls are only one cell thick

C. Their diameter is approximately equal to one red blood cell D. Allow for the diffusion of substances from blood to tissues

E. Allow for the diffusion of substances from cells to blood

3. Which of the following statements is true about the myocardium?

A. Consists of muscle cells found throughout the body

B. It is part of the coronary circulatory system

C. It is made up of unique muscle cells that can contract

D. It is the outer layer of the heart

E. It is the inner layer of the heart

4. Which of the following best describes the flow of blood through the heart?

A. Right atrium, Right ventricle, pulmonary artery, pulmonary vein, left atrium, left ventricle, aorta

B. Left atrium, left ventricle, pulmonary vein, pulmonary artery, right atrium, right ventricle, aorta

C. Right ventricle, right atrium, pulmonary artery, pulmonary vein, left ventricle, left atrium, aorta

D. Right atrium, Right ventricle, aorta, pulmonary vein, right atrium, left ventricle, pulmonary artery

E. Left atrium, left ventricle, pulmonary artery, pulmonary vein, right atrium, right ventricle, aorta

5. The purpose of the atrioventricular valves is to:

A. To prevent backflow into the atria when the ventricles relax

B. To prevent backflow into the atria when the ventricles contract

C. To prevent backflow into the ventricles when the ventricles relax

D. To pump blood into the ventricles

E. To pump blood into the atria

6. Right ventricular failure often has signs and symptoms of:

A. Pulmonary oedema

B. Fatigue, swollen ankles, distended jugular vein

C. Cough, swollen ankles, abdominal distension

D. Fatigue, cough, swollen ankles

E. Dyspnoea, fatigue, distended jugular vein

7. The most accurate description of the function of the heart is:

A. To pump oxygen rich blood around the body

B. To pump blood to the lungs for oxygenation

C. To pump oxygenated blood to the lungs and deoxygenated blood around the body

D. To pump deoxygenated blood to the lungs and oxygenated blood around the body

E. To clean the blood and then return it to the body

8 Which of the following is NOT true about the sinoatrial node?

A. It is the pacemaker of the heart

B. Receives and sends signals to and from the AV node and transmits these through the myocardium

C. It is located on the wall of the right atrium

D. It initiates contraction of the myocardium

E. Sends signals to the AV node

9. Angina is:

A. chest pain due to reduced flow of oxygenated blood to the myocardium

B. chest pain due to reduced blood flow to the brain

C. total blockage of a coronary artery causing chest pain

D. Inflammation of the myocardium causing chest pain

E. an aneurysm in the coronary artery causing chest pain

10. A total blockage of blood in a coronary artery will result in:

A. A myocardial infarction

B. An aneurysm

C. A DVT

D. A stroke

E. Pulmonary embolus

11. Atherosclerosis is:

A. excessive build-up of myelin in the blood vessels

B. thinning and hardening of the arteries

C. a fatty plaque that floats in the blood

D. thin and weak blood vessels

E. The presence of fatty plaques in the arteries

12. The best description of a thrombus is:

A. A blood clot

B. Anything that travels through the blood vessels until it reaches a vessel that is too small to let it pass

C. A fatty plaque

D. A small air bubble that enters the blood stream

E. A bulging weakened area of a blood vessel wall

13. A pulmonary embolus is:

A. Fluid in the alveoli of the lungs

B. A ruptured pulmonary artery

C. A blockage to a pulmonary artery

D. A blood clot forming in the trachea

E. Fatty plaques forming in the pulmonary arteries

14 An aneurysm is:

A. A burst artery in the brain

B. A burst artery anywhere in the body

C. A bulging sac in a blood vessel wall

D. A blot clot forming in a vein

E. A blot clot forming in an artery

15. Left ventricular failure often has symptoms of:

A. Fatigue, swollen ankles, distended jugular vein

B. Cough, swollen ankles, abdominal distension

C. Fatigue, cough, swollen ankles

D. Dyspnoea, fatigue, distended jugular vein

E. Dyspnoea, fatigue, cough