The basic unit of nervous tissue is the ________
A) dendrite
B) axon
C) neuron
D) brain
C
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Which of the following is not a consequence of activation of the complement system?
A) attraction and activation of leukocytes B) increased phagocytosis by phagocytic cells (opsonization) C) lysis of bacteria and other foreign cells D) repair of damaged tissue
Poliovirus initially multiplies in the ________.
A. nasopharynx B. intestine C. central nervous system D. lymphoid tissue E. basal ganglia
What is the purpose of the cilia and flagella of cells?
a. They generate the cell’s metabolism. b. They provide movement for the cell. c. They help maintain homeostasis. d. They generate cell signaling. e. They contract muscles
Which of the following is true of benign tumors?
a. The cells do not resemble the cells of the parent tissue. b. The cells of the tumor are often irregular, with nuclei of various sizes and shapes. c. The cells grow more rapidly than the cells surrounding it. d. They often metastasize. e. They are not cancer.