Which of the following is secreted during the postabsorptive state?
A. Secretin
B. Insulin
C. Gastrin
D. Cholecystokinin
E. Growth hormone
Answer: E
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Which type of chemical reaction combines reactants to produce larger products?
a) synthesis b) decomposition c) potential d) exchange e) activated
Which are components of a hepatic portal triad? Choose all that apply.
A. Branch of hepatic artery B. Branch of hepatic portal vein C. Bile duct D. Branch of hepatic vein
Hydrogen bonds are very strong bonds that hold together water molecules
Indicate whether the statement is true or false
Match the cell type with its description.
1. These are the most abundant leukocyte; they are formed in the bone marrow. 2. Cytotoxic, these cells are associated with allergic reactions and parasitic infestations. Usually these cells are less than 3% of the leukocyte population, and only live up to 12 hours. 3. Precursors of macrophages, these cells are relatively rare in blood because they are actually in transit to some other site. 4. These cells are related to mast cells, and both release chemical mediators such as histamine and heparin, which aid in the immune response. 5. Estimated to reach populations of one trillion in normal adults, most of these cells reside in the lymphoid tissues of the body. These cells look quite similar to one another under the microscope, yet function very differently. A. lymphocytes B. neutrophils C. monocytes D. eosinophils E. basophils