Match the substance necessary for clotting with its particular role.A. A mixture of lipoproteins released from injured tissueB. Converts prothrombin to thrombinC. The insoluble protein that forms the network of the clotD. Needed by the liver to produce prothrombinE. Fibrin-stabilizing factorVitamin K
Fill in the blank(s) with the appropriate word(s).
Answer: D
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When B and T cells are fully developed and mature, they are described as being
a) Immunocompetent b) Pluripotent stem cells c) Primary lymphatic cells d) Specifically promoted e) Germ cells
A single motor neuron with all the muscle cells it innervates is called a:
a. motor unit b. neuromuscular junction c. neurotransmitter d. both B and C above
A pediatric surgeon has resected a structure that is a fibrous remnant of an embryonic or fetal artery in a 5-year-old child. Which of the following structures is most likely to be divided?
(A) Lateral umbilical fold (B) Medial umbilical fold (C) Median umbilical fold (D) Ligamentum teres hepatis (E) Ligamentum venosum
Which vessel supplies the systemic circuit with oxygenated blood?
A) aorta B) superior vena cava C) coronary sinus D) pulmonary trunk