The villi are associated with and function in:
Large intestine, excretion
Pancreas, release of hormones
Small intestine, absorption
Gallbladder, production of bile
The Correct Answer is C
A. Large intestine, excretion: The large intestine mainly absorbs water and forms feces; it does not have villi.
B. Pancreas, release of hormones: The pancreas releases insulin and glucagon but has no villi and is not directly involved in nutrient absorption.
C. Small intestine, absorption: Villi are fingerlike projections that line the small intestine to increase surface area for absorption of nutrients.
D. Gallbladder, production of bile: The liver produces bile; the gallbladder only stores it. Villi are not involved.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Storage: The urinary bladder’s primary function is to store urine until it is excreted during urination.
B. Filtration: Filtration occurs in the glomeruli of the kidneys, not in the bladder.
C. Reabsorption: Reabsorption happens in the renal tubules after filtration in the kidneys.
D. Buffering of H+: Buffering of hydrogen ions occurs in the kidneys and blood, not in the bladder.
Correct Answer is A
Explanation
A. Epiglottis: The epiglottis is a flap of cartilage that covers the laryngeal opening during swallowing to prevent food or liquid from entering the airway.
B. Tonsils: Tonsils are lymphatic tissues in the pharynx that help trap pathogens, not prevent aspiration.
C. Uvula: The uvula helps close off the nasopharynx, not the trachea, during swallowing.
D. Appendix: The appendix is a blind-ended tube attached to the cecum; it plays no role in swallowing or airway protection.
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