Which is an intermediary protein that enables platelets to adhere to collagen?
A. tissue plasminogen activator (t-PA)
B. ATP
C. von Willebrand factor (vWF)
D. arachidonic acid
E. activated protein C
C
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Exposure to irritants causes mucus production to
A. increase. B. decrease.
In interpreting sensation, which of the following matters most?
A. How often impulses are sent to the central nervous system. B. The sensory neuron responsible for collecting the stimulus. C. The type of stimulus itself. D. The part of the cerebral cortex that receives the impulses.
The right atrium receives blood directly from
A) the pulmonary veins. B) the superior vena cava, inferior vena cava, and coronary sinus. C) the superior vena cava, inferior vena cava, and pulmonary veins. D) the superior vena cava and inferior vena cava only.
Blistering occurs with a second-degree burn.
Answer the following statement true (T) or false (F)