The trapeziometacarpal joint is classified as a __________ synovial joint because of the shape of the articulating surfaces.
Fill in the blank(s) with the appropriate word(s).
saddle
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The fate of all endocytotic vesicles is digestion of their contents by lysosomal enzymes.
Answer the following statement true (T) or false (F)
Low-grade fever is an effective defense for short periods of time because it
A. includes pyrogens that destroy the pathogens. B. increases iron in the blood. C. slows the attack of phagocytes. D. increases temperature, which slows the growth of bacteria.
Which of the following statements is false?
A) A neuron cell membrane is very permeable to K+. B) Na+ is 40 times as concentrated in the ICF as in the ECF. C) The Na+/K+ pump removes 3 Na+ from the cell for every 2 K+ it pumps into the cell. D) The unequal distribution of ions across the cell membrane produces the membrane potential.
T cells
A. are activated by an antigen-presenting cell. B. release cytokines. C. may stimulate B cells. D. All apply.