The function of B cells in the immune response is ________
A) to attack bacteria B) to attack virus-infected cells
C) to attack tumor cells D) to produce plasma cells that make antibodies
Answer: D
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Polymodal neurons are
A. part of specific ascending sensory pathways. B. efferent neurons. C. interneurons that receive synaptic input from only one type of sensory unit. D. afferent neurons. E. interneurons that receive synaptic input from different kinds of sensory units.
What substance binds to collagen and activates platelets?
A) fibrin B) thrombin C) von Willebrand factor D) arachidonic acid E) thromboxane A2
Axons carrying auditory information synapse in the __________ of the thalamus
A) medial geniculate nucleus B) lateral geniculate nucleus C) ventral posterior nucleus D) None of the above.
The first phase of hemostasis involves
A. blood vessel dilation. B. fibrinolysis. C. blood vessel constriction. D. release of procoagulants.