Which is NOT an effect of parathyroid hormone?
A. Increases the bone-degrading activity of osteoclasts
B. Decreases reabsorption of calcium by the kidneys
C. Increases plasma [Ca2+]
D. Promotes vitamin D synthesis, leading to increased intestinal absorption of calcium
E. Decreases reabsorption of phosphate by the kidneys
Answer: B
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Which of the following descriptions best matches the term pancreatic juice?
A) produced by endocrine tissue B) produced by pancreatic islets C) rich in bile D) rich in insulin and glucagon produced by pancreatic islets E) alkaline mixture of enzymes, water and ions produced by acinar cells
The iris consists of layers of ____________________ and ____________________ smooth muscle fibers
Fill in the blank(s) with correct word
Type 2 alveolar cells:
a. act as macrophages b. produce surfactant c. form the alveolar walls d. cause bronchial dilation
Which of the following structures releases neurotransmitter molecules in a paravertebral ganglion?
A. Preganglionic parasympathetic fiber B. Somatic motor fiber C. Preganglionic sympathetic fiber D. Postganglionic parasympathetic fiber E. Postganglionic sympathetic fiber