Solute And Water Transport Along The Nephron Tubular Function - Physiology | Biology+

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Set 1: Principles of Cell Function

Set 2: Homeostasis of Body Fluids

Set 3: Signal Transduction, membrane Receptors, second Messengers, and Regulation of Gene Expression

Set 4: The Nervous System: Introduction to Cells and Systems

Set 5: Generation and Conduction of Action Potentials

Set 6: Synaptic Transmission

Set 7: The Somatosensory System

Set 8: The Special Senses

Set 9: Organization of Motor Function

Set 10: Higher Functions of the Nervous System

Set 11: The Autonomic Nervous System and Its Central Control

Set 12: Skeletal Muscle Physiology

Set 13: Cardiac Muscle

Set 14: Smooth Muscle

Set 15: Overview of Circulation

Set 16: Elements of Cardiac Function

Set 17: Properties of the Vasculature

Set 18: Regulation of the Heart and Vasculature

Set 19: Integrated Control of the Cardiovascular System

Set 20: Structure and Function of the Respiratory System

Set 21: Static Lung and Chest Wall Mechanics

Set 22: Dynamic Lung and Chest Wall Mechanics

Set 23: Ventilation

Set 24: Oxygen and Carbon Dioxide Transport

Set 25: Control of Respiration

Set 26: Non-Physiologic Functions of the Lung: Host Defense and Metabolism

Set 27: Functional Anatomy and General Principles of Regulation in the Gastrointestinal Tract

Set 28: The Cephalic, oral, and Esophageal Phases of the Integrated Response to a Meal

Set 29: The Gastric Phase of the Integrated Response to a Meal

Set 30: The Small Intestinal Phase of the Integrated Response to a Meal

Set 31: The Colonic Phase of the Integrated Response to a Meal

Set 32: Transport and Metabolic Functions of the Liver

Set 33: Elements of Renal Function

Set 34: Solute and Water Transport Along the Nephron: Tubular Function

Set 35: Control of Body Fluid Osmolality and Volume

Set 36: Potassium, calcium, and Phosphate Homeostasis

Set 37: Role of the Kidneys in the Regulation of Acid-Base Balance

Set 38: Introduction to the Endocrine System

Set 39: Hormonal Regulation of Energy Metabolism

Set 40: Hormonal Regulation of Calcium and Phosphate Metabolism

Set 41: The Hypothalamus and Pituitary Gland

Set 42: The Thyroid Gland

Set 43: The Adrenal Glands

Set 44: The Male and Female Reproductive Systems

Set 34 Solute And Water Transport Along The Nephron Tubular Function

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Set 34 Solute And Water Transport Along The Nephron Tubular Function

(Multiple Choice)

Free

Starling forces regulate sodium and water reabsorption by the proximal tubule.Which of the following changes in Starling forces would increase reabsorption?

A)Increase in capillary hydrostatic pressure
B)Increase in capillary oncotic pressure
C)Decrease in capillary oncotic pressure
D)Decrease in the permeability of the peritubular capillary to sodium and water

Answer

(Multiple Choice)

Free

In the late portion of the proximal tubule,part of Na⁺ reabsorption is passive,through the paracellular pathway.What is the primary driving force for this passive reabsorption of Na⁺?

A)The fact that lower luminal hydrostatic pressure is lower than peritubular hydrostatic pressure
B)The fact that luminal [Na⁺] is higher than peritubular [Na⁺]
C)The fact that transepithelial voltage is lumen-positive
D)The fact that the oncotic pressure of interstitial fluid is lower than that of luminal fluid

Answer

(Short Answer)

Free

The following graph depicts the changes in tubular fluid concentrations of various substances along the length of the proximal tubule,plotted as the tubular fluid-to-plasma concentration ratio (TF/P).Thus the TF/P = 1 for a substance that is at the same concentration in the tubular fluid and plasma (for all substances that are freely filtered,TF/P = 1 at the glomerulus). Match the following substances to the appropriate TF/P curve.

The following graph depicts the changes in tubular fluid concentrations of various substances along the length of the proximal tubule,plotted as the tubular fluid-to-plasma concentration ratio (TF/P).Thus the TF/P = 1 for a substance that is at the same concentration in the tubular fluid and plasma (for all substances that are freely filtered,TF/P = 1 at the glomerulus). Match the following substances to the appropriate TF/P curve. Na<sup>+</sup>

Na⁺

Answer