Peripheral resistance is
A. directly related to both vessel length and radius.
B. inversely related to both vessel length and radius.
C. directly related to vessel length and inversely related to vessel radius.
D. inversely related to vessel length and directly related to vessel radius.
C
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The phagocytic antigen-presenting cells belong to the ________ group
A) tumor-suppressing B) complement C) interferon D) monocyte-macrophage E) lymphatic
What are the main neurotransmitters involved with pathways for emotions and behavior?
a. norepinephrine, dopamine, and adrenaline b. norepinephrine, dopamine, and serotonin c. epinephrine, melatonin, and serotonin d. epinephrine, melatonin, and adrenaline e. epinephrine, dopamine, and adrenaline
Which is not a function of the basal nuclei?
a. inhibition of muscle tone b. coordination of impulses related to posture c. suppression of unnecessary motor activity d. autonomic control e. None of the above are functions of the basal nuclei.
Match the vessel with the appropriate description.A. Supplies blood to the frontal lobes of the brainB. A circle of arteries at the base of the brainC. Supplies large portions of the lateral cerebral cortexD. Supplies the posterior portion of the cerebrumE. Formed by the bifurcation of the abdominal aortaMiddle cerebral artery
Fill in the blank(s) with the appropriate word(s).