Which structure keeps swallowed food from entering the trachea?
A) tonsils B) soft palate
C) upper esophageal sphincter D) epiglottis
D
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According to the standards of Institute of Medicine, Food, and Nutrition Board, identify the normal value for hemoglobin.
A. 14 g/dL B. 50 g/dL C. 5 g/dL D. 75 g/dL E. 150 g/dL
The pancreas is part of the endocrine system and also part of the digestive system.
a. true b. false
Kidney failure can occur due to toxin-producing Salmonella bacteria
a. True b. False Indicate whether the statement is true or false
High blood levels of homocysteine:
a. correlate with diets high in fruits and vegetables. b. have no known relationship to chronic disease risk. c. can reduce the blood's ability to clot and increase bleeding risk. d. tend to be associated with low blood levels of vitamin B12, vitamin B6, and folate.