The ectoderm forms
A) muscle.
B) blood.
C) neural tissues.
D) the lining of the digestive tract.
E) the urinary system.
C
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Cytokines used as immunotherapeutic drugs can
A. increase antibody activity against cancer cells. B. cause cancer cells to undergo apoptosis. C. enhance T cell activity against cancer cells. D. All apply.
The radiologist informs Matthew that his fracture has not penetrated the skin, meaning Matthew has a/an ________ fracture.
A. irregular B. displaced C. composite D. closed E. open
The average RBC contains _____ molecules of hemoglobin.
A) 250-280 million B) 150-250 million C) 2 billion D) a variable number
Which of the following statements regarding the chemical mediators of inflammatory responses is NOT true?
A. They may be generated by enzymatic cleavage of proteins in plasma. B. They are all peptides. C. The may be secreted by cells that enter the affected area. D. They may be chemotaxins. E. They may be secreted by cells residing in the area of injury.