Membrane receptors are used by which of the following types of hormones?
A) catecholamines
B) peptide hormones
C) eicosanoids
D) thyroid
E) catecholamines, peptide hormones, and eicosanoids
E
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The influence of blood vessel diameter on peripheral resistance is ________.
A) the only factor that influences resistance B) significant because resistance is inversely proportional to the fourth power of the vessel radius C) significant because resistance is directly proportional to the blood vessel diameter D) insignificant because vessel diameter does not vary
Columnar epithelial cells line the digestive tract and parts of the respiratory system.?
Indicate whether the statement is true or false
What is a good strategy for class or laboratory preparation?
A) Only read after you have attended class or laboratory. B) Avoid reading before class as you may get confused. C) Focus on reading your materials on the weekends when you have hours to spend. D) Read and prepare notes before attending your class or laboratory.
In ________, a cell increases the number of hormone receptors and becomes more sensitive to the hormone.
A. up-regulation B. down-regulation C. positive feedback D. amplification