1
Mulroney: Netter's Essential Physiology Chapter 01: The Cell and Fluid Homeostasis Test Bank Multiple Choice
1. A normal, healthy 23-year-old man weighs 90 kg. What is the most likely value of the volume of his interstitial fluid? A. 54 L B. 36 L C. 18 L D. 13.5 L E. 4.5 L ANS: D; body water = 90 kg × 60% × 1 L/kg = 54 L, extracellular fluid = 1/3 × 54 L = 18 L, interstitial fluid (3/4 of extracellular fluid) = 3/4 × 18 L = 13.5 L (page 6).
2. Which of the following statements concerning body water and electrolytes is true? A. Na+ is the primary extracellular anion. B. The Na+/K+ ATPase pumps Na+ into and K+ out of the cell. C. Leakage of K+ contributes to the resting membrane potential. D. Osmosis involves movement of a solute across a membrane. E. Cerebral capillaries have greater permeability than glomerular capillaries.
Copyright © 2025 by Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
Netter's Essential Physiology 3e Mulroney Test Bank