What protein forms a bridge between exposed vessel wall collagen and platelet surface receptors?
A. thromboxanes
B. von Willebrand factor
C. endothelin
D. fibrinogen
B
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The temporoparietalis muscle acts to
A) move the external ear. B) purse the lips. C) depress the lip. D) draw the corner of the mouth back and up. E) close the eye.
Which of the following is NOT characteristic of the sympathetic division of the autonomic nervous system?
A. Postganglionic neurons release norepinephrine at their neuroeffector junctions. B. Postganglionic neuron cell bodies are located in the collateral chain ganglia (sympathetic trunk). C. Preganglionic neurons tend to be long, with the ganglion located in or near the effector target tissue(s). D. Preganglionic neurons are short and synapse in ganglia located near the spinal cord. E. Preganglionic neurons release acetylcholine at synapses with postganglionic neurons.
Which disorder of the oral cavity commonly seen in patients with HIV or compromised immune systems?
A. Hairy leukoplakia B. Gingivitis C. Dental caries D. Peridontitis
Contact with the chemical toxicodendrol causes ____________________
Fill in the blank(s) with correct word