Antihypertensive effects of ? blockers include 1. blockade of ? receptors on the renal juxtaglomerular cells. 2. blockade of ? receptors in the lungs
3. blockade of myocardial ? receptors.
4. blockade of Na+ channels in the luminal membrane of the cells in the distal tubules.
5. blockade of central nervous system ? receptors.
a. 1 and 2 only
b. 1, 3, and 5 only
c. 1, 2, 4, and 5 only
d. 1, 2, 3, 4, and 5
ANS: B
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