Through which vessel is the velocity of blood flow the slowest?
a. aorta
b. arterioles
c. capillaries
d. venules
e. veins
C
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A somatic spinal reflex that involves one effector muscle being stimulated while the opposing muscle is inhibited is called _____ innervation
a) reversal b) relaxed c) representative d) reciprocal e) relegated
The subjective feeling of hunger is stimulated when
A. plasma leptin concentration decreases. B. plasma ghrelin concentration decreases. C. plasma insulin concentration increases. D. body temperature increases. E. plasma glucose concentration increases.
Which is not true of the following chemical equation? K+ + Cl– ? KCl
a. The equation indicates that there are two reactants. b. The equation indicates that there is one product. c. The equation indicates that the reaction occurs in both directions equally. d. All of the above are true.
Which of the following is true regarding the nervous and endocrine systems?
A. The nervous system uses chemical messengers while the endocrine system does not. B. The nervous system responds more quickly than the endocrine system. C. Effects of the nervous system last longer than those of the endocrine system. D. The effects of the nervous system are more widespread than those of the endocrine system.