A nurse is assisting with teaching a class about the process of digestion. The nurse should include that food is transported through the gastrointestinal tract starting from which of the following locations?
Stomach
Mouth
Rectum
Small intestine
The Correct Answer is B
A. The stomach is where food mixes with digestive juices and begins the process of breaking down, but it's not the initial site where food enters the gastrointestinal tract.
B. The mouth is where digestion begins as food is chewed and mixed with saliva, forming a bolus that starts the process of digestion before moving through the esophagus.
C. The rectum is the final portion of the large intestine where waste is stored before elimination, not the starting point of digestion.
D. The small intestine is the primary site of nutrient absorption but is not the starting point where food enters the gastrointestinal tract.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Spinach contains iron, but it's a non-heme source of iron, which is less readily absorbed by the body compared to heme iron.
B. Chicken contains heme iron, which is more easily absorbed by the body compared to non-heme iron found in plant-based sources.
C. Dried apricots contain non-heme iron, which is less easily absorbed than heme iron.
D. Lentils contain non-heme iron, which is also less easily absorbed compared to heme iron sources like chicken.
Correct Answer is C
Explanation
A. Wheat toast with a peeled apple contains fiber from the apple but might have less fiber compared to other whole-grain options.
B. A biscuit and grapefruit might provide some fiber from the grapefruit, but the biscuit might not be high in fiber.
C. Shredded wheat is a whole-grain cereal that tends to be higher in fiber, and adding a banana further increases the fiber content.
D. White toast with an orange provides some fiber from the orange, but white toast itself lacks significant fiber content compared to whole-grain options like shredded wheat.
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