In the lumen of the proximal tubule, Na+ concentration ________ the Na+ concentration inside the cells of the tubule wall.
A) is slightly higher than
B) is much lower than
C) is much higher than
D) is slightly lower than
E) is about the same as
C) is much higher than
You might also like to view...
Essential vitamins must be provided in the diet
Indicate whether this statement is true or false.
Answer the following statements true (T) or false (F)
1. Chronic release of excess thyroxine can cause a sustained increase in heart rate and a weakened heart. 2. Arterial blood supply to heart muscle is continuous whether the heart is in systole or diastole. 3. Trabeculae carneae are found in the ventricles and never the atria. 4. The "lub" sounds of the heart are valuable in diagnosis because they provide information about the function of the heart's pulmonary and aortic valves. 5. Autonomic regulation of heart rate is via two reflex centers found in the pons.
The hormone that stimulates the production of testosterone is ________ hormone.
What will be an ideal response?
Temperature stabilization is dependent upon which properties of water?
a. cohesion and adhesion b. capillary action and adhesion c. specific heat and heat of vaporization d. cohesion and specific heat