Explain the significance of sodium reabsorption across the different portion of the nephron
What will be an ideal response?
Sodium reabsorption in the proximal tubules plays a pivotal role in reabsorbing glucose, amino acids, electrolytes, and water. Sodium reabsorption in the ascending limb of the loop of Henle plays an important role in the kidney's ability to produce urine of varying concentrations. Sodium reabsorption in the distal tubules and collecting ducts is under hormonal control and plays a key role in regulating ECF volume and arterial blood pressure.
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Which of the following organs occupies the pleural cavity?
A) trachea B) heart C) lungs D) esophagus E) thyroid gland
You are an airborne molecule that dissolves in the fluid covering the olfactory epithelium. Which of the following must you do in order to depolarize neurons in the olfactory epithelium?
A. stimulate mitral cells B. release acetylcholine C. cause proliferation of basal cells D. bind to receptor molecules on the olfactory hair membrane E. lower the threshold of the cell
Using commands such as "sit" and "stay" are examples of what type of restraint?
a. physical c. chemical b. verbal d. this is not a form of restraint
Muscles that move the toes are often divided into what two groups?
a. Dorsal and plantar b. Long extrinsic and short intrinsic c. Short extrinsic and long intrinsic d. Superficial posterior and deep posterior