Answer the following questions true (T) or false (F)
1. Platelets can undergo mitosis and perform repairs if damaged.
2. Thrombin converts fibrinogen into fibrin, a mesh that glues together the platelet plug and helps seal the damaged vessel.
3. Thrombolysis begins with fibrinolysis and the breakdown of the fibrin glue that was produced during coagulation.
1. FALSE
2. TRUE
3. TRUE
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Which of the following ensures that cardiocytes do not pull apart during muscular contraction?
A. Chordae tendinae B. Papillary muscles C. Gap junctions D. Desmosomes E. Trabeculae carneae
A common view of the membrane structure is known as the static mosaic model
a. True b. False Indicate whether the statement is true or false
Describe the generation of pacemaker action potentials and then track the resulting impulse through the cardiac conduction system. Include the names of specific types of channels in the first part of your answer
What will be an ideal response?
When myosin cross-bridges bind to the active sites on actin,
A) ATP is hydrolyzed. B) They pivot toward the M line. C) The sarcomere strengthens. D) Muscle relaxation occurs. E) The I band moves closer to the Z line.