Most of the water in the GI tract is absorbed by the small intestine.
a. true
b. false
Ans: a. true
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What is the osmolarity of a solution containing 3M MgCl2 and 2M glucose?
A) 5 OsM B) 8 OsM C) 11 OsM D) 10 OsM
In the centrifuged sample of blood illustrated, number 2 indicates
A. leukocytes. B. leukocytes and platelets. C. platelets. D. plasma. E. erythrocytes.
The membrane that lines the lumenal surfaces of the digestive, respiratory, urinary, and reproductive tracts consists of ________.
A. simple squamous epithelium and dense irregular connective tissue B. epithelium and lamina propria C. areolar and dense irregular connective tissue D. simple squamous epithelium and areolar tissue E. areolar tissue and lamina propria
T lymphocytes are responsible for
A. humoral immunity. B. cell-mediated immunity. C. producing antibodies. D. programming macrophages.