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 D
Explanation
A. Causes Na⁺ excretion: Aldosterone promotes sodium reabsorption, not excretion, to increase blood volume and pressure.
B. Depletes blood volume: Aldosterone increases blood volume by retaining sodium and water.
C. Causes K⁺ reabsorption: Aldosterone promotes potassium excretion, not reabsorption.
D. Causes Na⁺ and water reabsorption: Aldosterone acts on the renal tubules to reabsorb sodium, which draws water back into circulation, increasing blood volume.
Correct Answer is C
Explanation
A. Renal failure: While renal failure can affect urine output, glucose in the urine (glucosuria) and polyuria with polydipsia are not the hallmark symptoms.
B. Bladder cancer: This may cause hematuria, but it doesn’t typically cause glucosuria, increased thirst, or urination.
C. Diabetes mellitus: In diabetes mellitus, high blood glucose levels exceed the renal threshold, leading to glucose spilling into the urine, causing polyuria (due to osmotic diuresis) and polydipsia.
D. Kidney cancer: Kidney cancer may cause flank pain, hematuria, or mass, not classic symptoms of diabetes or glucosuria.
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