Much medical advice towards heart health indicates that you should eat less sodium (table salt). Notable higher risks of high sodium may include high blood pressure and damage to arteries or organs in your body. If you eat a single meal with large amounts of salt to suit your taste, which of these may result within minutes, as the sodium enters your bloodstream?
A. Your blood will become hypotonic, and water in your body tissues will flow into your arteries, inflating them.
B. Your blood will become hypertonic, and water in your body tissues will flow into your arteries, inflating them.
C. Simple diffusion of water and sodium will both balance in an isotonic condition between arteries and body tissues.
D. You should expect no change in the concentration gradient because of a single meal, rather than lifestyle and diet.
E. Your blood will become hypotonic, and water in your arteries will flow into your tissues, inflating them.
B. Your blood will become hypertonic, and water in your body tissues will flow into your arteries, inflating them.
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Answer the following statements true (T) or false (F)
1. Gamma aminobutyric acid (GABA) is the most common inhibitory neurotransmitter in vertebrates. 2. Ionotropic receptors act by activating G proteins in target cells. 3. Metabotropic receptors act by initiating changes in second messenger systems in target cells. 4. Meningitis is solely a bacterially caused disease. 5. Synaptic vesicles discharge their contents at the axon hillock region.
Which of the following events must occur to cause a chromosomal translocation, such as that seen in individuals with chronic myelogenous leukemia (CML)?
A. One chromosome must break in two distinct locations. B. Two different chromosomes must break. C. A transposon must be present in one of the chromosomes. D. The broken ends must pair correctly. E. A mutation in the DNA must occur.
Which of the following is a product of glycolysis?
a. NADH b. water c. oxygen d. carbon dioxide
The cells that carry signals to muscles and glands are the
a. sensory neurons. b. neuroglia. c. dendrites only. d. motor neurons. e. axons only.