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- Created by: Amy
- Created on: 16-03-17 10:30
1. Which of the following blood vessels lacks smooth muscle tissue in its wall?
- Artery
- Capillary
- Aorta
- Vein
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2. Cardiac muscle cells are located in the walls of the heart. They are:
- Striated (striped), nucleated cells which are branched
- Cylindrical, unbranched and contain many nuclei (mulitnucleate)
- Narrow spindle shaped cells with a single nucleus arranged parallel to one another
- Collagen and elastic fibres embedded in a matrix
3. Which of the following blood vessels carries oxygenated blood from the lungs to the heart?
- Pulmonary veins
- Pulmonary veins
- Vena cavae
- Aorta
4. Which of the following carries deoxygenated blood to the lungs?
- Pulmonary arteries
- Pulmonary veins
- A
5. The pericardium has several functions:
- Pericardial fluid within the two layers of pericardium reduces friction between the pericardial membranes
- Pericardial fluid within the two layers of pericardium increases friction between the pericardial membranes
- It keeps the heart contained in the abdominal cavity
- Prevents the heart from expanding when filling with blood
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