Which of the following is NOT a contribution of the cardiovascular system to other body systems?
a) Blood delivers clotting factors and WBCs that aid in hemostasis when skin is damaged.
b) Blood delivers calcium and phosphate ions that are needed for building bone extracellular matrix.
c) Blood carries carbon dioxide to body tissues and removes oxygen for use by other organs.
d) Blood carries newly absorbed nutrients and water to the liver.
e) Blood circulates cells and chemicals that carry out immune functions.
c
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In order to signal a stronger stimulus, action potentials become
A) longer-lasting only. B) more frequent only. C) higher in amplitude and longer-lasting. D) higher in amplitude and more frequent. E) higher in amplitude only.
Identify the three major types of T cells activated by class I MHC proteins
A) plasma T cells, memory T cells, and cytotoxic T cells B) cytotoxic T cells, memory T cells, and regulatory T cells C) memory T cells, regulatory T cells, and plasma T cells D) NK T cells, cytotoxic T cells, and helper T cells E) helper T cells, regulatory T cells, and memory T cells
The time between application of the stimulus to a motor neuron and the beginning of contraction is called the ________ phase.
A. threshold B. relaxation C. contraction D. refractory E. latent or lag
Rikki agrees to sell her Sunrise Breakfast Café to Tia. As part of the deal, Rikki signs a covenant not to open a competing business within a hundred-mile radius for ten years. If this covenant is later determined to be unreasonable, the appropriate remedy is most likely
a. damages. b. reformation. c. rescission. d. specific performance.