Blood Ca2+ deficiency stimulates ________ secretion, which leads to ________
A) calcitonin; more urinary phosphate reabsorption
B) parathyroid hormone; increased osteoclast activity
C) growth hormone; increased osteoblast activity
D) calcitriol; more urinary phosphate excretion
E) thyroid hormone; less urinary calcium excretion
B
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What disorder is characterized by an inability to release sufficient ADH to cause water reabsorption in the kidney?
A. Grave's disease B. Diabetes mellitus C. Acromegaly D. Diabetes insipidis
In general, the smaller the blood vessel, the ________ the peripheral resistance.
A. greater B. lower C. Blood vessel diameter and peripheral resistance are not directly related.
The most important force causing net outward water flow across capillary walls is ________
A) intracellular hydrostatic pressure B) hydrostatic pressure of capillary blood C) hydrostatic pressure of interstitial fluid D) osmotic pressure of plasma proteins
Which of the following statements regarding the migrating motor complex is true?
A) It milks the chyme toward the colon. B) It allows a bolus to move down the esophagus. C) It churns and mixes residue in the descending colon. D) It propels pancreatic juice down the pancreatic duct. E) It churns and mixes a bolus with gastric juices.