Beneficial effects of glucocorticoids on ?-adrenergic receptors include
a. restoration of responsiveness.
b. increase in the number of ? receptors on the cell surface.
c. increasing affinity of the receptor for ??agonists.
d. all of the above.
ANS: D
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An advantage of prenatal diagnosis by genotypic analysis for hemophilia over phenotypic analysis is:
a. ABO blood type does not affect the analysis. b. A chorionic villus biopsy can be tested at 4 weeks gestation. c. Direct DNA diagnosis is available for all families. d. It can be done as a point-of-care test.
What is enabiing legislation?
A. Legislation that gives appropriate officials the authority to implement or enforce the law B. Legislation that establishes the groundwork for more complex and definitive legislation C. Legislation intended to establish a precedent or need for a new category of regulations D. A broad type of legislation that is generally said to establish an "entitlement" environment