Aldosteron secretion increases in the presence of low levels of ________ ions in blood plasma.
A) Sodium
B) Magnesium
C) Bicarbonate
D) Potassium
E) Chloride
Answer: A) Sodium
You might also like to view...
Which of the following choices lists structures in the order in which urine flows through them?
A. Major calyx, minor calyx, renal pelvis B. Renal pelvis, major calyx, minor pelvis C. Minor calyx, major calyx, renal pelvis D. Major pelvis, minor calyx, renal pelvis E. Major calyx, renal pelvis, minor calyx
How is hyaline cartilage different from elastic cartilage or fibrocartilage?
A) It is more vascularized. B) Fibers are not normally visible. C) It allows great flexibility. D) It contains more nuclei.
The maximum pressure exerted in the arteries is when blood is ejected into them during:
a. inhalation b. exhalation c. exercise d. diastole e. systole
__________ does not contribute to a reduction of gastric secretion after food leaves the stomach?
a. Fat in the duodenum b. Low gastric pH c. Distention of the duodenum d. High concentration of acid in the stomach or duodenum e. Pepsinogen in the duodenum