Hormones can be divided into different groups based on their chemistry. These categories include all of the following except
A) peptides.
B) steroids.
C) eicosanoids.
D) amino acid derivatives.
E) acetylcholine derivatives.
E
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Which of the following statements regarding blood capillaries and lymphatic capillaries is not true?
A. Both lymphatic and blood capillaries reabsorb fluid from tissue spaces. B. Lymphatic capillaries are closed at one end, unlike blood capillaries. C. Bacteria and lymphocytes may move into lymphatic capillaries through gaps between cells. D. Both lymphatic and blood capillaries are lined with endothelium. E. Endothelial cells of both blood and lymphatic capillaries are joined by tight junctions.
there is no known way to prevent primary hyperparathyroidism
a. true b. false
The cell bodies of the sympathetic preganglionic neurons are located in the ________.
A. autonomic ganglia located far away from the effectors B. autonomic ganglia located very near or within the effectors C. spinal cord only D. brain only E. brain and the spinal cord
The advantage of having many nuclei in a skeletal muscle fiber is the ability to
A) contract. B) produce more ATP with little oxygen. C) store extra DNA for metabolism. D) produce large amounts of the muscle proteins needed for muscle contraction. E) All of the answers are correct.