How does the hormone aldosterone influence potassium levels?
A. It increases potassium secretion by the kidneys and increases potassium blood concentration.
B. It increases potassium secretion by the kidneys and decreases potassium blood concentration.
C. It increases potassium reabsorption by the kidneys and decreases potassium blood concentration.
D. It increases potassium reabsorption by the kidneys and increases potassium blood concentration.
B
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Which of the following is not a secondary reproductive structure in the male?
A. Scrotum B. Penis C. Testicles D. Spermatic ducts
In smooth muscle, bundles of filaments attach to the plasma membrane at points referred to as __________
Fill in the blank with correct words.
The nail plate is produced by
A. melanocytes. B. specialized epithelial cells. C. bone cells. D. fibroblasts.
A laminectomy is a procedure used to treat osteoporosis that removes part of the posterior arch of a vertebra.
Answer the following statement true (T) or false (F)