You ________ your jaw when you grasp your upper lip with your lower teeth
A) invert
B) evert
C) adduct
D) protract
E) hyperextend
Answer: D
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Blood is correctly classified as a(n)
A. intracellular fluid. B. organ system. C. tissue. D. organ.
What is the brush border?
A) tight junctions between epithelial cells of the distal tubule B) microvilli on the apical membrane of Bowman's capsule C) the epithelial cells of the renal corpuscle D) microvilli on the apical membrane of the proximal tubule E) tight junctions between epithelial cells of the loops of Henle
Which of the following most accurately describes how foreign substances can activate complement?
A. Foreign proteins are phagocytized by macrophages and directly activate complement. B. Foreign substances can bind to spontaneously activated C3 and stabilize it. C. Both "Antibodies can bind to foreign antigens and activate complement through the classical pathway" and "Foreign substances can bind to spontaneously activated C3 and stabilize it" are correct. D. Foreign proteins bind to C1 and activate it. E. Antibodies can bind to foreign antigens and activate complement through the classical pathway.
Secretion of enterogastrone is stimulated by ________ in the chyme.
A. protein B. fats C. acid D. glucose