Organic chemistry is the study of oxygen-containing compounds
Indicate whether the statement is true or false.
FALSE
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An inflammatory response is triggered when _________.
A) mast cells release granules containing histamine and heparin. B) blood flow to an area increases. C) red blood cells release pyrogens. D) neutrophils phagocytize bacteria. E) T lymphocytes release interferon.
Classes of lymphocytes in the body include
A) NK (= natural killer) cells. B) T cells. C) B cells. D) All of the answers are correct. E) None of the answers are correct.
Which of the following statements regarding the migrating motor complex is true?
A. It allows a bolus to move down the esophagus. B. It churns and mixes a bolus with gastric juices. C. It milks the chyme toward the colon. D. It propels pancreatic juice down the pancreatic duct. E. It churns and mixes residue in the descending colon.
Select which steps are part of the voluntary movement process. (Check all that apply.)
A. Smooth muscle in the skin is stimulated to contract. B. The cerebellum and basal nuclei coordinate the information for these movements. C. Initiation begins in the brainstem. D. Lower motor neurons receive messages from upper motor neurons. E. Upper motor neurons receive information from lower motor neurons. F. Initiation begins in the primary motor area of the cerebral cortex.