Reflexes important in regulating the forced ventilations that accompany strenuous exercise are known as the:
protective reflexes
chemoreceptor reflexes
Hering-Breuer reflexes
pulmonary reflexes
all of the choices are correct
Hering-Breuer reflexes
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In the following enhanced radiograph of the biliary system, the arrow points to the:
A) cystic duct. B) left hepatic duct. C) common hepatic duct. D) (common) bile duct. E) pancreatic duct.
Why do marine osmoconformers use organic osmolytes in their ICF to attain osmotic balance instead of the more easily available inorganic osmolytes such as sodium, potassium and chloride ions?
a. because organic osmolytes can be easily absorbed from the sea water b. because organic osmolytes do not disrupt the function of macromolecules c. because the cells can make organic osmolytes without using cellular energy d. because the cells have to use energy to obtain inorganic osmolytes
Sam was a 60 year old man. As a result of picking up a heavy object he fractured the radius and ulna of his right arm
X-rays indicated that he had severe osteoporosis. His blood calcium levels were above normal and the pathologist found cancer cells that produced a hormone-like substance. That substance was most likely A. thyroid hormone. B. calcitonin. C. growth hormone. D. parathyroid hormone. E. vitamin D.
The insertion of genetic material into human cells for treatment of a disorder is
A. amniocentesis. B. a genome. C. gene therapy. D. a pedigree.