Hypersecretion of which of the following hormones is most likely to lead to high blood pressure and hypernatremia (excess blood sodium ion concentration)?
What will be an ideal response?
Aldosterone
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Cindy suffers from chronic "heartburn." Cindy's helpful aunt suggests that the cause is that Cindy's cat often sits on her stomach following a large meal and the "heartburn" is due to pressure of the stomach against the heart. Indeed, this is the typical cause of heartburn.
Answer the following statement true (T) or false (F)
Which of the following statements about the resting membrane potential is TRUE?
A) It results, in part, from the concentration gradients for Na+ and K+. B) It is due in part to the presence of extracellular proteins. C) It is normally equal to zero volts. D) The inside of the membrane is positively charged compared to the outside.
At this stimulus strength, all muscle cells of a particular muscle are being stimulated
A) threshold stimulus B) subthreshold stimulus C) maximal stimulus
The Bohr effect describes the ________.
A. effect of pH on the affinity of hemoglobin for carbon dioxide B. effect of pH on the affinity of hemoglobin for oxygen C. effect of solubility on the amount of gas dissolved in blood D. mechanism of ventilation