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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. At 1 year of age, a baby typically triples their birth weight. Tripling 7 lbs (the birth weight) would result in 21 lbs, which is not among the options provided.
B. The expected weight for a baby who weighed 7 lbs at birth would be around 21 lbs by one year of age, aligning with the typical weight gain pattern during infancy.
C. 14 lbs is significantly lower than the expected weight gain for a healthy baby at one year old.
D. 32 lbs is higher than the expected weight gain for a healthy baby at one year old.
Correct Answer is B
Explanation
A. 9 calories per gram is the energy yield for fats, not carbohydrates.
B. Carbohydrates provide approximately 4 calories per gram, which is the energy yield for this macronutrient.
C. 5 calories per gram is not the typical energy value for carbohydrates; it's closer to the value for proteins.
D. 6 calories per gram is not the energy yield for carbohydrates; it's closer to the value for alcohol.
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