Vasodilation of blood vessels is accomplished through
a. increase in norepinephrine
b. angiotensin II
c. hyperpolarization of potassium channels
d. all of the choices
C
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Which of the following is not a characteristic of staphylococcal enterotoxins?
a. They bind to MHC class I molecules and T-cell receptors. b. They cause T cells to divide and differentiate into effector T cells. c. They stimulate between 2% and 20% of the total T-cell population. d. They cause excessive synthesis and release of cytokines. e. They induce suppression of the immune response by causing T cells to undergo
What is the single most important thing you can do in your classroom to foster resilience in children and create a positive learning environment? Why do you believe that to be so?
What will be an ideal response?
___________________ are hormones released from fat cells
Fill in the blank(s) with correct word
Bioelectrical impedance is based on the principle that
A) lean tissue is a better conductor of an electrical current than fat tissue. B) water travels more efficiently through fat tissue than lean tissue. C) lean tissue is less dense than fat tissue. D) fat floats and lean tissue sinks.