In the renin-angiotensin-aldosterone pathway, angiotensin II regulates ion and water balance by doing all of the following EXCEPT
A) Stimulating Na+ reabsorption in the proximal tubule.
B) Stimulating vasodilation of postglomerular blood vessels.
C) Stimulating the synthesis and release of other hormones that affect kidney function.
D) Increasing the synthesis and release of aldosterone from the adrenal cortex.
Answer: B
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a. the Z discs move farther apart b. the A bands become thicker c. the I bands become narrower d. the thin filaments become shorter e. events c and d occur
The first portion of the large intestine is the:
A) transverse colon. B) cecum. C) rectum. D) ascending colon.
Peptide hormones are:
A. synthesized by the ribosomes of endocrine cells. B. synthesized in the nucleus of endocrine cells. C. synthesized out of the amino acid tryptophan. D. the least prevalent type of hormone in the body. E. manufactured cooperatively by the mitochondria and smooth endoplasmic reticulum.
The ventricles are almost empty at the end of ventricular diastole
Indicate whether the statement is true or false