What enzyme is released by the juxtaglomerular complex to regulate GFR?
a) angiotensin I
b) angiotensin-converting enzyme (ACE)
c) angiotensin II
d) renin
Ans: d) renin
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The smooth, rounded, or oval articular process of a bone is termed a
A) crest. B) ridge. C) head. D) condyle. E) trochlea.
A 65-year-old woman presents with acute, severe flank pain radiating toward the pelvis
She also complains of some chronic musculoskeletal pain and indigestion. Radiology reveals a kidney stone in her ureter. Blood chemistry reveals hypercalcemia, and urine chemistry reveals hypercalciuria and hyperphosphaturia. An endocrine pathology most consistent with these findings is: A. infection of the GI tract that inhibits calcium and phosphate absorption B. an adenoma of the parathyroid glands, secreting excessive PTH C. hepatocellular carcinoma of the liver, resulting in overproduction of 25-hydroxyvitamin D D. a medullary carcinoma of the thyroid, secreting large amounts of calcitonin E. autoimmune destruction of the parathyroid glands
What is the basic structural unit of compact bone tissue?
a) osteon b) stroma c) lamellae d) chromosome e) lacunae
Apnea is the transient interruption of ventilation, with breathing resuming spontaneously
a. True b. False Indicate whether the statement is true or false