If red blood cells are placed in a(n) ____________________ solution, water enters causing them to swell
Fill in the blank(s) with correct word
hypotonic
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What is found in the central canal of the spinal cord?
A. Astrocytes B. Oligodendrocytes C. Blood plasma D. Cerebrospinal fluid E. Meningeal fluid
Match the following:
A) Norepinephrine B) Endorphins C) Substance P D) Histamine E) Glycine 1) Increases acid secretion in the stomach; blocked by cimetidine. 2) "Feel-good" neurotransmitter. 3) Mediates pain. 4) Principal inhibitory neurotransmitter of the spinal cord. 5) Natural opiates that inhibit pain; effect mimicked by morphine.
Glucose sparing refers to a phenomenon occurring during the
a. absorptive phase of metabolism in which recently ingested glucose is saved in the form of glycogen for future use. b. postabsorptive phase of metabolism in which glucose ingested earlier is saved in the form of glycogen for use during prolonged fasting. c. postabsorptive phase of metabolism in which numerous body tissues release glucose for immediate use by the brain. d. postabsorptive phase of metabolism in which numerous body tissues switch to metabolizing alternative, non-glucose energy sources, so that glucose remains available for the brain.
Two groups of people were tested to determine whether garlic lowers blood cholesterol levels. One group was given 800 mg of garlic powder daily for four months and exhibited an average 12% reduction in the blood cholesterol. The other group was not given any garlic and after four months averaged a 3% reduction in cholesterol. The group that was not given the garlic was the ________ group.
A. test B. peer C. control D. treatment E. double-blind