Granular cells of the juxtaglomerular apparatus respond to decreased blood volume and increased sympathetic nerve activity by secreting ________.
A. angiotensinogen
B. natriuretic hormone
C. renin
D. inulin
Answer: C
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The sequence of symptoms of heatstroke is
A) neurological symptoms, dizziness, skin reddening, and then headache and racing heart. B) intense itching, profuse sweating, kidney failure, racing pulse, headache. C) fever, itching, redness, headache, numb extremities, vomiting. D) headache, dizziness, exhaustion, then sweating, which stops as the skin becomes red, hot, and dry.
The process by which neutrophils and monocytes squeeze out between cells of the blood vessel wall during an inflammatory response is known as:
a. diapedesis b. chemotaxi c. activation d. infiltration e. arterial passage
A 50-year-old man who is an alcoholic suffers recurrent bouts of pancreatitis that reduce output of pancreatic enzymes after ingestion of a mixed meal
He also presents with diarrhea, and his stools contain high levels of triglycerides but no intact starch. Duodenal aspirates obtained after a meal likewise reveal that starch is being digested appropriately. Assuming the output of all pancreatic enzymes is impaired during pancreatitis, what structure(s) supply an alternate source of enzymatic activity capable of starch digestion? A. Brunner's glands B. brush border of enterocytes C. gallbladder D. parietal cells E. chief cells F. salivary glands
What is the complementary DNA base sequence to the DNA strand TGCCAT?
A) ACCGTA B) TGCCAT C) ACGGTA D) ACGGUA E) UGCCAU