Select the correct statement about absorption
A) Eighty percent of ingested materials have been absorbed by the end of the large intestine.
B) In the rare case that intact, whole proteins are transported across the mucosal endothelium, an immune response may be generated.
C) Carbohydrates diffuse across the mucosal endothelium and are then actively transported into blood capillaries.
D) Amino acid transport is linked to chloride transport.
B
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A difference in partial pressure between the venous blood and the surrounding structures is known as a partial pressure gradient
a. True b. False Indicate whether the statement is true or false
Which of the following statements is not true?
A. B and T lymphocytes begin development as pluripotent stem cells in red bone marrow. B. B and T lymphocytes develop antigen receptors on their surfaces. C. B and T lymphocytes both complete their development in the thymus gland. D. B and T lymphocytes are involved in innate defense. E. B and T cells that react against the body's own tissue are pruned through the process of negative selection.
The movement of rotating a limb outward is called
A) inversion. B) medial (internal) rotation. C) lateral (external) rotation. D) eversion. E) protraction.
Which of the following does NOT result from the binding of nicotine with nicotinic acetylcholine receptors?
A. a mild form of skeletal muscle paralysis that creates a more relaxed state B. signal transmission at neuromuscular junctions C. generation of excitatory signals within autonomic ganglia D. the release of norepinephrine, dopamine, and epinephrine E. facilitation of the release of multiple neurotransmitters within the brain, including the "reward pathway" involving dopamine