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 B
Explanation
A. Pressure within the renal tubules: This is tubular pressure, which opposes filtration and is not the driving force.
B. Blood pressure: Blood pressure within the glomerular capillaries provides the main hydrostatic pressure driving glomerular filtration.
C. Intrathoracic pressure: This affects respiration and venous return, not glomerular filtration.
D. Intraabdominal pressure: Elevated intraabdominal pressure can impair renal perfusion, but it does not drive filtration.
Correct Answer is C
Explanation
A. Is called trypsin: Trypsin is a pancreatic enzyme, but it digests proteins, not fats.
B. Digests lipids to fatty acids and glycogen: Glycogen is related to carbohydrate storage, not a product of fat digestion.
C. Digests fats to fatty acids: Pancreatic lipase breaks down triglycerides into fatty acids and monoglycerides for absorption.
D. Is inactivated by bile: Bile actually emulsifies fats, making them more accessible to pancreatic lipase, not inactivating it.
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