The ability to concentrate the urine depends on:
a. Active transport of sodium by the proximal tubule
b. Creation of a medullary osmotic gradient by the loop of Henle
c. The presence of ADH
d. Both b and c are correct
Ans: b. Creation of a medullary osmotic gradient by the loop of Henle
You might also like to view...
Responds to environmental changes by transmitting electrical impulses.
A) Skeletal B) Nervous C) Integumentary D) Muscular
Spermatogonia in the seminiferous tubules are located ________
A) about half way between outer edge and lumen of the tubule B) spermatogonia are not found in the seminiferous tubules C) closest to the outer edge of the tubule D) closest to the lumen of the tubule
Which of the following findings is MOST significant in a patient with acute respiratory distress?
A) A regular heart rate of 110 beats/min B) A family history of pulmonary embolism C) Prior ICU admission for the same problem D) Low-grade fever and flu-like symptoms
The respiratory areas are in the medulla oblongata and the ____ of the brainstem
Fill in the blank(s) with correct word