Which of the following best describes the chewing of food?
Absorption
Peristalsis
Regulation
Mechanical digestion
The Correct Answer is D
A. Absorption: Absorption refers to nutrients being taken into the bloodstream, mainly in the intestines.
B. Peristalsis: Peristalsis is the muscular movement of food through the digestive tract, not chewing.
C. Regulation: Regulation refers to control mechanisms in digestion but not to the act of chewing.
D. Mechanical digestion: Chewing breaks food into smaller pieces, which is mechanical digestion and prepares food for chemical digestion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Avoid gas-producing foods: While this may reduce bloating or discomfort, it does not address constipation directly.
B. Request that the provider prescribe a stool softener: This may help symptomatically, but it's not the first-line intervention.
C. Promote active range-of-motion activities: Exercise helps bowel movement, but fluid and fiber intake is more essential initially.
D. Add fluid and fiber to the diet: Increased fiber adds bulk to the stool, and fluids soften it, both of which promote bowel movement and relieve constipation.
Correct Answer is ["A","B","E"]
Explanation
A. Reabsorption: The nephron reabsorbs water, glucose, and electrolytes from the filtrate back into the blood.
B. Filtration: The glomerulus filters blood, initiating urine formation by removing waste, water, and solutes.
C. Storage: Urine storage occurs in the bladder, not the nephron.
D. Increase RBC production: While the kidneys release erythropoietin, which stimulates RBC production, this is not a nephron-specific function.
E. Secretion: The nephron actively secretes waste products like hydrogen ions and drugs into the tubule for excretion.
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