Osmosis differs from diffusion in that it refers to:
movement solutes from the cells to the interstitial fluid
movement of fluid out of the vascular system
substances moved across a membrane with the use of energy
movement of solvent across a semi-permeable membrane
The Correct Answer is D
A. movement solutes from the cells to the interstitial fluid: This describes diffusion, specifically solute movement down a concentration gradient.
B. movement of fluid out of the vascular system: This could describe filtration or capillary leakage, not osmosis specifically.
C. substances moved across a membrane with the use of energy: This describes active transport, not osmosis.
D. movement of solvent across a semi-permeable membrane: Osmosis is the passive movement of water (solvent) through a semi-permeable membrane from an area of low solute concentration to high solute concentration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. antidiuretic hormone: ADH regulates water balance, not calcium.
B. calcitonin: Calcitonin lowers blood calcium levels by inhibiting bone resorption.
C. aldosterone: Aldosterone helps regulate sodium and potassium, not calcium.
D. parathyroid hormone: PTH increases serum calcium by stimulating bone resorption and increasing renal reabsorption of calcium.
Correct Answer is A
Explanation
A. 2500: The average daily intake/output for a healthy adult is around 2500 mL, balancing fluid homeostasis.
B. 1500: This is too low for normal daily intake/output unless under fluid restriction.
C. 3500: This is on the higher end and exceeds average needs for a typical adult.
D. 6500: This is excessive and not reflective of average fluid balance.
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